wtw CR 2020 User manual

Brand: wtw

Model: CR 2020

Type: User manual

User's Manual

BA41102/07.93/Pla/CR2020-1

Thermo-reactor

Instrument consists of

CR 2020 / G: Reactor + Power card + Time switch

CR 2020 / A: Reactor + Connecting cable

CR 2020

Important hints for the user

BA41102/07.93/Pla/CR2020-1

These notes must be read before the

instrument is put into service!

This instrument has been built and tested according to the German

safety regulation for electronic test instruments, and left the factory in

a technically and operationally perfect contition.

In order to maintain this condition and guarantee safe operation the

user must observe the references and warning statements.

- Before swiching on the instrument, check that the mains voltage

selected matches the mains supply voltage.

- The proper function and operational safety of this instrument are

guaranteed only if the climatic conditions specified in the Technical

Specifications in this manual are adhered to.

- Opening of the instrument-, adjustment, maintenance, repair and

exchange of parts should only be carried out only by authorized

personnel or by WTW.

- The instrument no longer confirms to the safety regulations and a

dangerous operation can be assumed when the instrument

m has been visually demaged,

m no longer functions,

m was stored for a long period under unsuitable conditions,

m was subjected to bad transport conditions.

- If it is obvious that the instrument is dangerous to persons then

take it out of service and secure against any further inadvertent

use.

In case of daubt send the instrument back to the manufacturer

"Wissenschaftlich-Technische-Werkstätten GmbH"

for repair or maintenance.

Important hints for the user

BA41102/07.93/Pla/CR2020-1

These notes must be read before the

instrument is put into service!

This instrument has been built and tested according to the German

safety regulation for electronic test instruments, and left the factory in

a technically and operationally perfect contition.

In order to maintain this condition and guarantee safe operation the

user must observe the references and warning statements.

- Before swiching on the instrument, check that the mains voltage

selected matches the mains supply voltage.

- The proper function and operational safety of this instrument are

guaranteed only if the climatic conditions specified in the Technical

Specifications in this manual are adhered to.

- Opening of the instrument-, adjustment, maintenance, repair and

exchange of parts should only be carried out only by authorized

personnel or by WTW.

- The instrument no longer confirms to the safety regulations and a

dangerous operation can be assumed when the instrument

m has been visually demaged,

m no longer functions,

m was stored for a long period under unsuitable conditions,

m was subjected to bad transport conditions.

- If it is obvious that the instrument is dangerous to persons then

take it out of service and secure against any further inadvertent

use.

In case of daubt send the instrument back to the manufacturer

"Wissenschaftlich-Technische-Werkstätten GmbH"

for repair or maintenance.

Operating safety Technische Kundenberatung

BA41102/07.93/Pla/CR2020-1

Observe the analysis instructions of the

manufacturer

Only use suitable reaction vials and beakers

Wear protecting clothes

Use safety precaution (e.g. hood)

Never cool down vials with cold liquids:

Broken glass !

Bei Rückfragen wenden Sie sich bitte an den Laborfachhandel. Darüber

hinaus stehen Ihnen die technischen Kundenberater im Hause WTW bzw. die

technischen Außendienst-Mitarbeiter unserer WTW-Büros zur Verfügung.

Technische Kundenberatung:

Labormeßtechnik:

Johann Heilbock, Ralf Degner, Jürgen Winkler, Dr. Manfred Kaul, Siegfried

Forster, Fred Böttcher

Industriegeräte - Sonderanfertigungen:

Alfred Hatzelmann, Rolf Paa, Harald Würdig, Horst Zitzmann, Wolfgang

Schwarz, Werner Albrecht

Hauptwerk: WTW Wissenschaftl.-Technische Werkstätten GmbH

D-82362 Weilheim i. OB, Dr.-Karl-Slevogt-Str. 1

( (0881) 183-0, Ttx 881803, Fax (0881) 62539

WTW-Büros:

04736 Meinsberg, Andreas Pelz 65388 Schlangenbad, Thomas Schleissing

Hauptstr. 5,

( (0161) 1825293 Krauskopfallee 43, ( (06129) 8989

06124 Halle/S., Dr. Wolfgang Erbe 67482 Venningen, Alexander Ploss

Matthias-Grünewald-Str. 12 Im Tränkweg 13

( (0345) 645137 ( (06323) 7855

14480 Potsdam, H.-J. Mitterlechner 71069 Sindelfingen, Helmut Jagusch

Ziolkowskistraße 16 Haigerlocher Straße 15

( (0331) 622585 ( (07031) 674708

22559 Hamburg, Lorenz Lorenzen 89160 Dornstadt, Frank Busch

Nagelshof 42 b,

( (040) 812565 In den Rosenäckern 15, ( (07348) 23920

30890 Barsinghausen, Kurt Suhrbier 82362 Weilheim, Georg Schöttl

Akazienweg 8,

( (05105) 8718 im Hause WTW, ( (0881) 183-0

53557 Bad Hönningen, Rudolf P. Weiler 84186 Münchsdorf, Korbinian Graf

Markenweg 57,

( (02635) 3430 Ulmenweg 3, ( (08705) 1615

58097 Hagen, Hans Duckstein 90537 Feucht, Helmut Hopp

Alsenstraße 20,

( (02331) 25339 Unterer Zeidlerweg 4, ( (09128) 4409

58239 Schwerte, Ullrich Duckstein

Weidenweg 7,

( (02304) 67949

Österreich: 1110 Wien, WTW Meß- und Analysengeräte Gesellschaft mbH

Simmeringer Hauptstraße 113,

( (0222) 741162, 741163, Fax (0222) 741286

Technical specifications Contents list

BA41102/07.93/Pla/CR2020-1

Test certificate: Electromagnetic compatibility EMV

Important safety hints for the user ...................................1

Operating elements............................................................4

Front view........................................................................4

Rear view.........................................................................5

Operation............................................................................6

Putting into operation the CR 2020..................................6

Operation with degestion beakers....................................8

Maintenance..................................................................10

Series connection of serveral CR2010/CR2020..............11

Technical specifications..................................................12

Operating elements Technical specifications

BA41102/07.93/Pla/CR2020-1

Front view

1 Mains supply switch

2 Heating signal

Electromagnetic

compatibility EMV

(see test certificates)

Radio interference:

EN 50081-1

Class A (FCC)

Disturbance:

EN 50082-2

Namur-recommandation

Power supply

Type CR 2020 - 230 V

Mains

230 V/AC (-15 % .. +6 %) 50 .. 60 Hz

Charging rate

max 1,0 A per unit

Arrangement

up to 10 instruments

Fuses

Fuse device DIN 41571-M 1,0 A

Type CR 2020 - 115 V

Mains

115 V/AC (-15 % .. +6 %) 50 .. 60 Hz

Charging rate

max 2,0 A per unit

Arrangement

up to 5 instruments

Fuses

Fuse device DIN 41571-M 2,0 A

Technical specifications Operating elements

BA41102/07.93/Pla/CR2020-1

Reactor type

Dry reactor

Dimensions/Weight Length190 mm

Width 130 mm

Height 100 mm

Weight approx. 2.5 kg

Equipped with 3 holes for digestion beakers

Outer diameter 22.5 mm

Block temperature 100°C ± 2°C

Over temperature

cut-out

170°C ± 5°C

Heat-up time from 25°C to 100°C approx. 15 min

Housing material Noryl 100 % recyclable

Insulation type IP 20 DIN 40050

Insulation class I DIN VDE 0110

(Schutzleiteranschluß nötig)

Climate class 2 VDI/VDE 3540 or. LYE DIN 40040

Storage -25°C .. 65°C

Operation +5 C .. 40°C

relative humidity :yearly mean < 75%

30 days/year: 95%

remaining days:85%

light dew

Rear view

1 Power-supply plug

2 Power-supply socket

3 Fuse-carrier

4 Nameplate

Series connection

BA41102/07.93/Pla/CR2020-1

Putting into operation CR 2020

mains connection:

Plug time switch into a socket

Connect basic instrument with

power card to time switch

Switching on

Master switch illuminates

Series connection of several

CR 2020 / CR 2010

- Connect basic instrument with power card to time switch

- Connect further instruments to basic instrument by connection

cable

For putting into operation and operation refer to chapter

"Operation" in the user's manual.

Operation Operation

BA41102/07.93/Pla/CR2020-1

Maintenance

- No maintenance required!

- In case of fuse failure: Disconnect instrument!

- Replace melt fuses by equivalent fuses!

Data: refer to "Technical specifications" or.

nameplate at the rear side of the instrument.

Take out fuse device at the rear

side

Take out fuse

Insert new fuse

Reinstall fuse device

Heating up:

Time switch to position

ΙΙ

(Continuous operation)

Master switch of instrument

illuminates

Heating indication continuously

After reaching of the rated

temperature

(approx. 15 min):

Heating indication is flashing

The CR 2020 reached the

temperature and is ready for

operation

Operation Operation

BA41102/07.93/Pla/CR2020-1

Operation with digestion beakers

- Insert digestion beakers

- Possibly put on condenser

- Use safety precautions (e.g. hood)

Time switch to position ¹¹

Adjust reaction time

(refer to analysis instructions)

master switch illuminates

Await reaction time,

heater switches off automatically

Master switch extinguishes

Operation Operation

BA41102/07.93/Pla/CR2020-1

Operation with digestion beakers

- Insert digestion beakers

- Possibly put on condenser

- Use safety precautions (e.g. hood)

Time switch to position ¹¹

Adjust reaction time

(refer to analysis instructions)

master switch illuminates

Await reaction time,

heater switches off automatically

Master switch extinguishes

Operation Operation

BA41102/07.93/Pla/CR2020-1

Maintenance

- No maintenance required!

- In case of fuse failure: Disconnect instrument!

- Replace melt fuses by equivalent fuses!

Data: refer to "Technical specifications" or.

nameplate at the rear side of the instrument.

Take out fuse device at the rear

side

Take out fuse

Insert new fuse

Reinstall fuse device

Heating up:

Time switch to position

ΙΙ

(Continuous operation)

Master switch of instrument

illuminates

Heating indication continuously

After reaching of the rated

temperature

(approx. 15 min):

Heating indication is flashing

The CR 2020 reached the

temperature and is ready for

operation

Series connection

BA41102/07.93/Pla/CR2020-1

Putting into operation CR 2020

mains connection:

Plug time switch into a socket

Connect basic instrument with

power card to time switch

Switching on

Master switch illuminates

Series connection of several

CR 2020 / CR 2010

- Connect basic instrument with power card to time switch

- Connect further instruments to basic instrument by connection

cable

For putting into operation and operation refer to chapter

"Operation" in the user's manual.

Technical specifications Operating elements

BA41102/07.93/Pla/CR2020-1

Reactor type

Dry reactor

Dimensions/Weight Length190 mm

Width 130 mm

Height 100 mm

Weight approx. 2.5 kg

Equipped with 3 holes for digestion beakers

Outer diameter 22.5 mm

Block temperature 100°C ± 2°C

Over temperature

cut-out

170°C ± 5°C

Heat-up time from 25°C to 100°C approx. 15 min

Housing material Noryl 100 % recyclable

Insulation type IP 20 DIN 40050

Insulation class I DIN VDE 0110

(Schutzleiteranschluß nötig)

Climate class 2 VDI/VDE 3540 or. LYE DIN 40040

Storage -25°C .. 65°C

Operation +5 C .. 40°C

relative humidity :yearly mean < 75%

30 days/year: 95%

remaining days:85%

light dew

Rear view

1 Power-supply plug

2 Power-supply socket

3 Fuse-carrier

4 Nameplate

Operating elements Technical specifications

BA41102/07.93/Pla/CR2020-1

Front view

1 Mains supply switch

2 Heating signal

Electromagnetic

compatibility EMV

(see test certificates)

Radio interference:

EN 50081-1

Class A (FCC)

Disturbance:

EN 50082-2

Namur-recommandation

Power supply

Type CR 2020 - 230 V

Mains

230 V/AC (-15 % .. +6 %) 50 .. 60 Hz

Charging rate

max 1,0 A per unit

Arrangement

up to 10 instruments

Fuses

Fuse device DIN 41571-M 1,0 A

Type CR 2020 - 115 V

Mains

115 V/AC (-15 % .. +6 %) 50 .. 60 Hz

Charging rate

max 2,0 A per unit

Arrangement

up to 5 instruments

Fuses

Fuse device DIN 41571-M 2,0 A