SICK GM700, Measuring probe version Operating instructions

O P E R A T I N G I N S T R U C T I O N S

GM700

In-Situ Gas Analyzer Probe Version

Installation, Operation, Maintenance

Described product

GM700

Measuring Probe Version

Version GM700-02, GM700-03, GM700-04, GM700-05, GM700-07, GM700-08,

GM700-09

Manufacturer

SICK AG

Erwin-Sick-Str. 1

79183 Waldkirch

Germany

Production location

SICK AG

Nimburger Str. 11 · D-79276 Reute · Germany

Legal information

This work is protected by copyright. Any rights derived from the copyright shall be

reserved for SICK AG. Reproduction of this document or parts of this document is only

permissible within the limits of the legal determination of Copyright Law. Any modifica‐

tion, abridgment or translation of this document is prohibited without the express writ‐

ten permission of SICK AG.

The trademarks stated in this document are the property of their respective owner.

Original document

This document is an original document of SICK AG.

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Contents

1 About this document........................................................................ 7

1.1 Function of this document....................................................................... 7

1.2 Scope of application................................................................................. 7

1.3 Target groups (and document structure)................................................. 7

1.4 Further information................................................................................... 7

1.5 Data integrity............................................................................................. 7

1.6 Symbols and document conventions...................................................... 8

1.6.1 Warning symbols...................................................................... 8

1.6.2 Warning levels / Signal words................................................. 8

1.6.3 Information symbols................................................................ 8

2 Safety information............................................................................ 10

2.1 Main operating information..................................................................... 10

2.2 Warning information on the device.......................................................... 13

2.3 Intended use............................................................................................. 15

2.4 Responsibility of user............................................................................... 15

3 Product description........................................................................... 16

3.1 Product identification............................................................................... 16

3.2 Product characteristics............................................................................ 16

3.3 Device variants......................................................................................... 16

3.4 Options...................................................................................................... 16

3.5 Layout and function.................................................................................. 17

3.6 Purge air unit............................................................................................. 17

3.7 Check cycle............................................................................................... 18

3.8 GMP and GPP measuring probes ........................................................... 18

3.8.1 GMP measuring probe in detail.............................................. 19

3.8.1.1 Gas connection for sample gas sampling on

purge air fixture of GMP measuring probe............ 20

3.8.2 GPP gas diffusion probe in dry or wet version....................... 20

3.8.2.1 GPP measuring probe gas connections for zero

and span gas........................................................... 21

4 Transport and storage....................................................................... 22

4.1 Transport protection................................................................................. 22

4.2 Storage...................................................................................................... 22

5 Mounting............................................................................................. 24

5.1 Assembly information............................................................................... 24

5.2 Tools required............................................................................................ 24

5.3 Preparing the measuring point................................................................ 24

5.4 GM700 scope of delivery......................................................................... 25

5.5 Installation sequence............................................................................... 25

5.5.1 Installation example................................................................ 25

5.5.2 Overview of installation steps (duct-side preparation).......... 26

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5.5.3 Installation preparation for the purge air unit........................ 26

5.5.4 Installing the flange with tube................................................. 26

5.5.5 Installing the control units...................................................... 27

5.5.5.1 Install the control unit away from the SR-unit....... 29

5.5.6 Installing the terminal box (option)......................................... 30

5.5.7 Installing the purge air unit..................................................... 30

6 Electrical installation........................................................................ 31

6.1 Electrical installation safety information................................................. 31

6.2 Connection overview................................................................................ 32

6.2.1 Lines......................................................................................... 33

6.2.2 Information on laying lines...................................................... 33

6.3 Connecting I/O interfaces........................................................................ 34

6.3.1 Leading the CAN bus line correctly through the PG screw

fitting........................................................................................ 34

6.3.2 Wiring the evaluation unit....................................................... 35

6.3.3 Customer wiring of the terminal box (optional)...................... 37

6.4 Connecting the SR-unit............................................................................. 38

6.5 Grounding conductor, evaluation unit..................................................... 38

7 Commissioning.................................................................................. 40

7.1 Safety information on commissioning..................................................... 40

7.2 Prerequisites for successful commissioning.......................................... 40

7.3 Overview of commissioning steps........................................................... 41

7.4 Material required ..................................................................................... 42

7.4.1 Material required - included in scope of delivery................... 42

7.5 Fitting the SR-unit on the purge air fixture of the measuring probe...... 43

7.6 Optical fine alignment for device versions for NH

3

and HF measure‐

ment.......................................................................................................... 43

7.7 Optical fine alignment on the version for HCI measurement................ 45

7.8 Two types of zero point checks................................................................ 46

7.8.1 Selecting the ambient temperature range............................. 46

7.8.2 Carrying out zero adjust (on the measuring path free from

sample gas).............................................................................. 47

7.8.3 Zero point check with GPP measuring probe......................... 47

7.9 Repositioning the probe reflector............................................................ 48

7.10 Fitting the measuring probe on the flange with tube............................. 51

7.11 Putting the purge air unit into operation................................................. 52

7.12 Fitting the sender/receiver unit on the intermediate housing............... 52

7.13 Installing the weatherproof cover ........................................................... 53

7.14 Starting measuring operation.................................................................. 54

7.14.1 Operating states...................................................................... 55

7.14.2 Select the ambient temperature range.................................. 55

8 Operation............................................................................................ 56

8.1 Safety......................................................................................................... 56

8.1.1 Check before start-up.............................................................. 56

CONTENTS

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8.2 Operating and display elements (evaluation unit).................................. 56

8.3 Menu tree of the evaluation unit............................................................. 58

8.3.1 Menu tree Measuring.............................................................. 58

8.3.2 Menu tree Diagnosis............................................................... 58

8.3.3 Menu tree Parameter.............................................................. 59

8.3.4 Menu tree Calibration.............................................................. 61

8.3.5 Menu tree Maintenance.......................................................... 61

8.4 Operating using the serial interface........................................................ 62

8.4.1 Significance of command line elements................................ 62

8.4.2 Setting for serial interfaces..................................................... 62

8.4.3 Serial interface commands - Meas........................................ 62

8.4.3.1 Serial interface command - MEAS ........................ 62

8.4.4 Serial interface commands - Diag.......................................... 62

8.4.4.1 Table with warning messages................................ 62

8.4.4.2 Error messages Table ............................................ 63

8.4.4.3 View the device configuration................................ 63

8.4.4.4 Check the system state and configuration........... 63

8.4.4.5 Call up diagnostic data........................................... 63

9 Maintenance...................................................................................... 64

9.1 Safety......................................................................................................... 64

9.2 Maintenance plan..................................................................................... 65

9.2.1 Maintenance protocol.............................................................. 65

9.2.2 Expendable, wearing and spare parts.................................... 65

9.3 Preparatory work....................................................................................... 66

9.4 Removing the SR-unit from the intermediate housing........................... 66

9.5 Visual check.............................................................................................. 67

9.6 Cleaning the optical interfaces................................................................ 67

9.7 Cleaning the purge air unit....................................................................... 69

10 Troubleshooting................................................................................. 70

10.1 Safety......................................................................................................... 70

10.2 Monitoring and diagnostic system........................................................... 70

10.3 Device not functioning.............................................................................. 71

10.4 Evaluation unit not functioning................................................................ 71

10.4.1 Communication fault between evaluation unit and receiver 72

10.5 Error messages......................................................................................... 72

10.5.1 Error messages........................................................................ 72

10.5.2 Warning messages.................................................................. 74

10.6 Repairing inadequate purge air supply................................................... 74

10.7 Corrosion on flange.................................................................................. 75

11 Decommissioning............................................................................. 76

11.1 Safety information for decommissioning................................................ 76

11.2 Removing the device................................................................................ 77

11.3 Preparing the device ready for shipping.................................................. 77

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11.4 Environmentally compatible disposal ..................................................... 78

12 Technical data.................................................................................... 79

12.1 System: GM700........................................................................................ 79

12.2 Sender/receiver unit................................................................................ 80

12.3 GMP measuring probe.............................................................................. 80

12.4 GPP measuring probe............................................................................... 80

12.5 Evaluation unit: Sheet steel enclosure.................................................... 81

12.6 Evaluation unit: Cast metal enclosure..................................................... 82

12.7 Terminal box.............................................................................................. 82

12.8 Dimension drawings, sender/receiver unit ............................................ 83

12.9 Dimension drawings, open measuring probe (GMP).............................. 84

12.10 Dimension drawings GPP measuring probe (Gas Permeable Probe).... 85

12.11 Dimension drawing evaluation unit......................................................... 86

12.12 Dimension drawings: Mounting flange DN125....................................... 87

12.13 Dimension drawing terminal box............................................................. 87

12.14 Dimension drawing, purge air unit........................................................... 88

12.15 Dimension drawing, weatherproof cover, sender/receiver unit............. 88

13 Annex.................................................................................................. 89

13.1 Possible ambient temperatures............................................................... 89

13.1.1 Ambient temperature ranges (closed cell)............................. 89

13.2 User information on laser safety GM700................................................ 89

14 Index.................................................................................................... 91

CONTENTS

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1 About this document

1.1 Function of this document

These Operating Instructions describe:

•

Device components

•

Installation

•

Operation

•

Maintenance work required for reliable operation

1.2 Scope of application

These Operating Instructions are only applicable for the measuring device described in

the product identification.

They are not applicable for other SICK measuring devices.

The standards referred to in these Operating Instructions are to be observed in the

respective valid version.

1.3 Target groups (and document structure)

This Manual is intended for persons installing, operating and maintaining the device.

Operation

The device may only be operated by qualified persons who, based on their device-spe‐

cific training and knowledge as well as knowledge of the relevant regulations, can

assess the tasks given and recognize the hazards involved.

Installation and maintenance

Skilled persons are required for installation and maintenance.

Please observe the information at the beginning of the respective Sections.

1.4 Further information

•

Operating Instructions of the purge air supply

•

Final inspection record

NOTE

b

Observe all supplied documents.

1.5 Data integrity

SICK AG uses standardized data interfaces such as, for example, standard IP technol‐

ogy, in its products. The focus here is on product availability and features.

SICK AG always assumes that the customer is responsible for the integrity and confi‐

dentiality of data and rights involved in connection with using the products.

In all cases, the customer is responsible for the implementation of safety measures

suitable for the respective situation, e.g., network separation, firewalls, virus protection

and patch management.

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1.6 Symbols and document conventions

1.6.1 Warning symbols

Table 1: Warning symbols

Symbol Significance

Hazard (general)

Hazard by voltage

Hazard by oxidizing substances

Hazard by laser radiation

Hazard by toxic substances

Hazard by noxious substances

Hazard by high temperature

Hazard for the environment/nature/organic life

1.6.2 Warning levels / Signal words

DANGER

Risk or hazardous situation which will result in severe personal injury or death.

WARNING

Risk or hazardous situation which could result in severe personal injury or death.

CAUTION

Hazard or unsafe practice which could result in less severe or minor injuries.

Notice

Hazard which could result in property damage.

Note

Hints

1.6.3 Information symbols

Table 2: Information symbols

Symbol Significance

Important technical information for this product

1 ABOUT THIS DOCUMENT

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Symbol Significance

Important information on electric or electronic functions

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2 Safety information

2.1 Main operating information

Lifting and carrying

WARNING

Injury risk through incorrect lifting and carrying of the device

Injuries can occur due to the weight and projecting enclosure parts when the equip‐

ment tips over or drops.

b

Consider the device weight before lifting.

b

Observe the regulations for protective clothing (e.g., safety shoes, non-slip gloves).

b

Grip underneath the equipment when possible to carry it safely.

b

Do not use projecting parts on the device to carry the device.

b

Call in further personnel for assistance as required.

b

Use a hoist or transport equipment as an option.

b

Pay attention to the transport safety device.

b

Clear obstacles that could cause falls and collisions out of the way.

DANGER

Risk for system safety through work on the device not described in these Operating

Instructions

Carrying out work on the device not described in these Operating Instructions or associ‐

ated documents can lead to unsafe operation of the measuring system and therefore

endanger plant safety.

b

Only carry out the work on the device described in these Operating Instructions

and associated documents.

Laser radiation

WARNING

Eye injuries through laser radiation

The invisible laser beam within the SR-unit is not accessible when fitted. Observe the

following when the SR-unit of the device is swiveled open during installation work for

test purposes and the laser beam is activated:

b

Never look directly into the laser aperture when opening the SR-unit.

b

Laser protection class 1: Wear laser protection glasses despite low radiation.

b

Observe national valid limit values and standards that refer to these for industrial

safety.

Laser radiation, HF version

CAUTION

Pay attention to device software version

As the limit values of laser class 1 of the IEC 60825-1:2014-5 are neither exceeded in

single case malfunctions nor normal operation under consideration of the service and

measuring state, the device is classified as laser class 1. Prerequisite is using device

software 9105060_YEK0 or newer.

b

Laser class 1 of the IEC 60825-1:2014-5: Only use device software

9105060_YEK0 or a newer software version.

2 SAFETY INFORMATION

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DANGER

Important information for safe handling of the GM700 SR-unit on the device version

with HF measurement

For device software versions before 9105060_YEK0, a higher laser radiation might

occur.

b

Laser class 1 of the IEC 60825-1:2014-5: Only use device software

9105060_YEK0 or a newer software version.

b

Never look directly into the laser aperture when opening the SR-unit.

b

Always wear laser goggles or switch the device off during maintenance work.

b

Observe valid national limit values and respective standards for work safety.

NOTICE

Deviations of EN60825-1:2014-08 “Laser safety” from the Directive 2006/25/EC

The Directive has been adapted to cover changes in the health and safety regulation for

artificial optical radiation. Deviations occurred through changes in EN60825-1:2014-08

“Laser safety” from Directive 2006/25/EC.

b

Always observe the user information in the Annex of these Operating Instructions!

Escaping hot gas

DANGER

Risk of fire through hot gas escaping in installations with overpressure conditions

On installations with overpressure, the purge air hose can be severely damaged by

escaping hot gas and can catch fire depending on the temperature. On installations

with overpressure and gas temperatures over 200°C at the same time:

b

Regularly check the functionality of the reverse flow safeguard in the purge air fix‐

tures.

DANGER

Danger to life by leaking hot/toxic gases

Hot and/or noxious gases can escape during work on the gas duct, depending on the

plant conditions.

b

Work on the gas duct may only be performed by skilled technicians who, based on

their technical training and knowledge as well as knowledge of the relevant regula‐

tions, can assess the tasks given and recognize the hazards involved.

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Electrical safety

WARNING

Endangerment of electrical safety during installation and maintenance work when the

power supply is not switched off

An electrical accident can occur during installation and maintenance work when the

power supply to the device and/or lines is not switched off using a power isolating

switch/circuit breaker.

b

Before starting the work, ensure the power supply can be switched off using a

power isolating switch/circuit breaker in accordance with DIN EN 61010.

b

Make sure the power isolating switch is easily accessible.

b

An additional separation device is mandatory when the power isolating switch can‐

not be accessed or only with difficulty after installation of the device connection.

b

The power supply may only be switched on again after work completion or for test

purposes by the persons carrying out the work under consideration of the valid

safety regulations.

DANGER

Endangerment of electrical safety through missing power isolating switch

An electrical accident can occur during installation and maintenance work when the

power supply to the device and/or lines cannot be switched off using a power isolating

switch/circuit breaker.

b

Ensure the power supply can be switched off using a power isolating switch/circuit

breaker in accordance with DIN EN 61010-1:2010.

b

An additional separation device is mandatory when the power isolating switch can‐

not be accessed or only with difficulty after installation of the device connection.

WARNING

Endangerment of electrical safety through power cables with incorrect rating

Electrical accidents can occur when the specifications for replacement of a removable

power cable have not been adequately observed.

b

Always observe the exact specifications in the Operating Instructions (Technical

Data Chapter) when replacing a removable power line.

Potential equalization

CAUTION

Device damage through incorrect or non-existing grounding

To avoid device damage, a correctly connected potential equalization is mandatory on

all system components with external ground connections in all operating conditions.

b

Connect a potential equalization on all planned points on the device components.

b

Ensure the potential equalization is connected during all work on the device

described in these Operating Instructions.

2 SAFETY INFORMATION

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Contamination caused by purge air failure

CAUTION

A faulty purge air supply can damage the measuring system

The measuring system can no longer be protected from contaminated sample gas and

is damaged.

b

When the purge air supply appears faulty, immediately perform all actions

described in these Operating Instructions.

Responsibility for system safety

NOTICE

Responsibility for system safety

The person setting the system up is responsible for the safety of the system in which

the device is integrated.

2.2 Warning information on the device

GM700 SR-unit

1

2 2

Figure 1: Warning information on the sender/receiver unit

SR-unit, front side

1 Danger sign: Laser radiation

2 Type plate GM700

SR-unit, right side

1 Danger sign: Laser radiation

2 Type plate GM700

Laser sign

The wavelength of the laser varies for the respective measuring components (NH3, HF,

HCl). The maximum laser output at the optical interface depends on the respective

measuring component and is shown on the laser warning sign.

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Figure 2: Laser sign for HF measurement

Figure 3: Laser sign for NH

3

measurement

Figure 4: Laser sign for HCI measurement

2 SAFETY INFORMATION

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2.3 Intended use

The device serves exclusively for emission and process monitoring of gases in industrial

plants.

The device measures continuously directly in the gas duct (in-situ).

2.4 Responsibility of user

Designated users

see "Target groups (and document structure)", page 7.

Correct project planning

•

Basis of this Manual is the delivery of the device according to the preceding

project planning (e.g., based on the SICK application questionnaire) and the rele‐

vant delivery state of the device (see delivered System Documentation).

w

Contact SICK Customer Service if you are not sure whether the device corre‐

sponds to the state defined during project planning or to the delivered system

documentation.

Special local conditions

In addition to the information in these Operating Instructions, follow all local laws, tech‐

nical rules and company-internal operating directives applicable wherever the device is

installed.

Read the Operating Instructions

b

Read and observe these Operating Instructions.

b

Observe all safety instructions.

b

If anything is not clear: Please contact SICK Customer Service.

Document retention

b

Must be kept for reference.

b

Must be passed on to new owners.

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3 Product description

3.1 Product identification

Product name GM700

Device version Measuring Probe Version

Manufacturer SICK AG

Erwin-Sick-Str. 1 · D-79183 Waldkirch · Germany

Type plates Measuring Probe Version

•

Sender/receiver unit: On right side

•

On purge air fixture: On tube

3.2 Product characteristics

■

The device serves for continuous measurement of gas concentrations in industrial

plants

■

For application with high water ratios, i.e. waste incineration, we offer a specific

version, the GM700-04 or GM700-07.

■

The device is an in-situ measuring system which means measuring is done directly

in the gas carrying duct

■

Measuring components: HF, HCI, NH

3

, NH

3

+ H

2

O, HCI + H

2

O

■

Measuring principle: Diode laser spectroscopy (TDLS)

3.3 Device variants

Variants Measured components

GM700-02 HF

GM700-03 HCI

GM700-04 NH

3

, high humidity

GM700-05 NH

3

GM700-07 NH

3

/ H

2

O, high humidity

GM700-08 HCI / H

2

O

GM700-09 NH

3

/ H

2

O

3.4 Options

•

Terminal box: For CAN bus with 24 V power supply.

The optional terminal box is available for distances between SR-unit and EvU >4

meters via a CAN bus cable provided by the customer.

•

Cover plate: For the purge air fixture of the SR-unit.

To maintain purge air supply in cases where this must remain in operation at the

measuring point when the SR-unit is dismounted.

•

Weatherproof cover: Required for installation outdoors

•

Air heater for purge air supply: For special application conditions to prevent con‐

densate. An air heater is required when the difference between gas temperature

and dew point temperature is too small. The following practical rule of thumb

serves as guideline:

Gas temperature [°C] – dew point temperature [°C] < abs. humidity [Vol.-%].

Values are compared without considering the units of measure.

3 PRODUCT DESCRIPTION

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3.5 Layout and function

1

2 3

1

4

5

6

Figure 5: GM700 layout (version representation)

1

Sender/receiver unit GM700 (SR-unit)

2

Purge air fixture

3

Flange with tube

4

Evaluation unit

5

Purge air unit

6

CAN lines

Function

•

The device serves for continuous measurement of gas concentrations in industrial

plants.

•

The device is an in-situ measuring system which means measuring is done directly

in the gas carrying duct.

•

Measuring components: see "Device variants", page 16.

•

Measuring principle: Diode laser spectroscopy (TDLS) (laser protection class 1).

•

To safeguard measuring reliability, a permanent air flow (optics purge air) keeps

the optics free from soot and dust particles.

3.6 Purge air unit

•

This protects the front window of the SR-unit and the reflector in the measuring

probe against contamination and high gas temperatures

•

The purge air is blown into the gas duct through the “flange with tube”.

NOTE

Further information on the purge air unit, see Operating Instructions of the purge air

unit.

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3.7 Check cycle

Cyclic check cycle for zero and sensitivity checks

Start a check cycle via

•

Timer trigger: Configurable 0 ... 1440 minutes (= 1 day), see menu “Settings /

Check Cycle”

•

External digital input signal (Di 1)

Purpose of check cycle

■

Checking the zero point and span point without feeding span gases.

Check cycle procedure

The measuring sequence to determine the zero and check point is performed. The digi‐

tal input uses a falling edge for triggering, i.e. performance of a check cycle is sup‐

pressed as long as the signal is high (e.g., for control purposes).

Signaling

“Function control” (relay 3) is signaled per digital output during output of the zero and

check point.

Output

The output runs for 90 seconds each for the zero point followed by the check point.

•

Unit and scaling for the current zero point according to the settings.

•

Check or span point is displayed as percentage scaled to 70% of the measuring

range.

The same calculation method is used for the deviation as for the gas concentration with

the exception of correction factors which result from a gas adjustment as well as cus‐

tomer correction factors from menu PAR/SETTINGS / REGRESS. FUNCT. During the

check cycle output, the zero and span point are displayed in the lower display line paral‐

lel to the analog output. These can be viewed in menu DIAG/CHECK VALUES/<GAS> for

subsequent checks. Prerequisite is that the output has already been made via an ana‐

log output.

Deviations

A warning message is output, e.g., “AO1 NH3 ZEROPoint” when the zero or check point

deviation is above 2% of the upper display limit of an analog output.

The warning message remains until the next check cycle output is within the tolerance.

3.8 GMP and GPP measuring probes

The measuring probe included in the scope of delivery was defined during project plan‐

ning in accordance with the application requirements.

This Table shows an overview of the features of the different measuring probes. All

measuring probe versions are compatible with all SR-units. The SR-unit is calibrated to

the respective probe length before delivery.

Table 3: Measuring probes

Measuring probe GMP (open measuring probe) GPP (for dry gases)

Version Measuring path open in flow

direction; purge air guidance

with outlet aligned 90° to gas

flow

Gas diffusion probe with

ceramic filter, for dry sample

gas

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Measuring probe GMP (open measuring probe) GPP (for dry gases)

Max. gas temperature 250°C 430°C

Gas test according to EPA reg‐

ulation

No Yes

Purge air supply required Yes No

Optical interface heating in

measuring probe

No Yes, with integrated control

Sample gas flow velocity 1 ... 40 m/s < 40 m/s

Suitable for wet sample gas Yes No

Maximum duct pressure ±120 hPa, depending on

purge air supply

±120 hPa

Measurable components NH3, HF, HCl NH3, HCl

System response time (T

90

) > 5 s > 120 s

Duct diameter > 360 mm > 300 mm

Dust concentration < 2 g/m3 in operating state < 30 g/m3 in operating state

Probe lengths available "Dimension drawings, open measuring probe (GMP)",

page 84 and "Dimension drawings GPP measuring probe

(Gas Permeable Probe)", page 85.

Active measuring paths avail‐

able [mm]

250/500/750/1000/1250 250/500/750/1000

3.8.1 GMP measuring probe in detail

pen Close

2

5

7

6

4

3

1

4

Figure 6: GMP measuring probe description

1

Reflector unit

2

PT1000 temperature sensor

3

Purge air outlet: Air outlet in the duct 90° to gas flow direction (directed purge air)

4

Locking device for opening between measuring probe and SR-unit

5

Light beam, sender-reflector

6

Purge air connection

7

CAN connection

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Subject to change without notice

3.8.1.1 Gas connection for sample gas sampling on purge air fixture of GMP measuring probe

For the reference measurement, sample gas can be extracted from the gas duct via a

gas sampling valve on the purge air fixture of the GMP measuring probe.

Figure 7: Gas sampling valve on the GMP measuring probe

1

Gas sampling screw fitting

NOTE

The reference measurement is not part of maintenance tasks carried out by the cus‐

tomer.

3.8.2 GPP gas diffusion probe in dry or wet version

Project planning information: There are two versions of the GMP measuring probe that

differ in the filter used. This supports differing application areas regarding the moisture

content of the sample gas.

Characteristics

•

Suitable for higher dust contents than the GMP probes.

•

For EPA-conform audit measurement.

•

For applications with low flow velocities or varying flow profiles.

Integrated sensors

•

Temperature sensor PT 1000: Continuously measures the media temperature on

the active measuring path of the probe

•

Pressure sensor

•

The measured data are transferred via the CAN bus interface of the measuring

probe and can then be displayed on the evaluation unit.

Figure 8: GPP measuring probe description

1

Reflector unit

3 PRODUCT DESCRIPTION

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O P E R A T I N G I N S T R U C T I O N S | GM700 8022447/0000/2018-01 | SICK

Subject to change without notice

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SICK GM700, Measuring probe version Operating instructions

SICK GM700, Measuring probe version Operating instructions

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