Omega OM-USCAN Series Owner's manual

1

http://www.omega.com

e-mail: [email protected]

OM-USCAN SERIES

User’s Guide

Datalogger

2

Internet e-mail

[email protected]

OMEGAnet

SM

On-Line Service

http://www.omega.com

Servicing

North America:

For immediate technical or

application assistance:

USA and Canada:

Sales Service: 1-800-826-6342 /

1-800-TC-OMEGA

SM

Customer Service: 1-800-622-2378 /

1-800-622-BEST

SM

Engineering Service: 1-800-872-9436 /

1-800-USA-WHEN

SM

TELEX: 996404

EASYLINK: 62968934 CABLE: OMEGA

USA:

ISO 9001 Certified

Mexico and Latin America:

Tel: (95) 800-TC-OMEGA

SM

FAX: (95) 203-359-7807

En Espan

~

ol: (203) 359-1660 ext: 2203

e-mail: [email protected]

Canada:

976 Bergar

Laval (Quebec) H7L 5A1

Tel: (514) 856-6928

FAX: (514) 856-6886

e-mail: [email protected]

One Omega Drive, Box 4047

Stamford, CT 06907-0047

Tel: (203) 359-1660

FAX: (203) 359-7700

e-mail: [email protected]

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Contents

Datalogger Construction 4

Specifications 5

Interface Specification 6

Accuracy of Measurement 7

System Requirements 9

Installing the Software 9

Installing the Datalogger 10

Software 11

Starting Up the Software 11

Com Port 12

Test & Clear Data 15

Put to Sleep 16

Datalogger Identification 17

Setup 20

Active Sensor 21

External Sensor 21

Sampling Rate 21

Delay 22

Scanning 24

Read Out 25

Single-Channel Graphic 27

Smooth and Zoom 29

Display Mode 30

Trace Settings 31

Axis Settings 31

Examples 32

Inspect 33

Save ASCII 34

Twin-Channel Graphic 35

Mathem. Combinations 36

Troubleshooting 37

Language Editor 38

Index of Key Words 45

A

B

C

D

1.

2.

3.

4.

4.1

4.2

4.3

4.4

4.5

4.6

4.61

4.62

4.63

4.64

4.65

4.7

4.8

4.81

4.82

4.821

4.822

4.823

4.83

4.84

4.9

4.91

5.

6.

4

Protective Cap

+ Battery -

A Datalogger

Construction

2/3 AA, 3V lithium battery

O-ring seals

Battery cover

Retaining ring BN823

Cap contents

Connection socket for interface and external sensors. We recommend that

the protective cap is screwed on to protect the contacts.

5

B Specifications Internal sensor Precision high-temperature conductor (NTC)

Range: -22°F to 158°F (-30°C to 70°C)

External sensor Precision high-temperature conductor (NTC)

Range: -40°F to 248°F (-40°C to 120°C)

Interchangeability +/- 0.36°F (+/- 0.2°C) in the range from

32°F to 158°F (0°C to 70°C)

Memory depth 64k words, 16 bits

Sampling interval Single-channel: 10 seconds to 20 minutes in 9 steps

Twin-channel: 20 seconds to 40 minutes in 9 steps

Scan Mode: 16 seconds scanning interval

Recording period 3.87 days to 454.5 days

Time base Quartz with ± 5 minutes/year deviation

Interface RS232 with 4800 Baud transmission speed

Data format ASCII or binary (selectable)

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C Interface Specification Interface: Connects to PC by 9-channel D-Sub sleeve plug

RS232: Baud rate: 4800 Baud, 8 bits, 1 stop bit, no parity

Scan Mode: 300 Baud. 8 bits, 1 stop bit, no parity

Batteries: 9 V E-Block (IEC: 6F22) alkaline or similar

Battery life 20 hours

Can run from external power source via 9 V universal

power unit regardless of the polarity.

Storage: 2/3 AA lithium battery, replaceable by the user.

Minimum life 2.5 years at 10 sec sampling rate.

In Sleep Mode 9 years (77°F / 25°C)

Recommended battery:

e.g. Sanyo Lithium CR 17335S, 3 V, 1700 mA at 77°F / 25°C

Working range: 32°F to 158°F (0°C to 70°C)

-40°F to 185°F (-40°C to 85°C)

Case: Stainless steel, watertight IP68, up to 10 bar pressure

above atmospheric

Shock: resistance: up to 300 g maximum

7

D Accuracy of Measurement

Devation (°F)

Measuring Temperature

0°

-2.88°

14° 32° 50° 68° 86° 104° 122° 140° 158° 176° 194° 212°F

2.88°

2.16°

1.44°

-1.44°

-2.16°

0.72°

-0.72°

-22° - 4°

8

The NTC measuring sensor is accurate to ± 0.36°F (±0.2°C). Due to the negative

temperature coefficients, the resistance increases exponentially at higher temp-

eratures, and consequently even the high resolution of the data transducer is no

longer sufficient to keep consistently to the accuracy of ± 0.36°F (±0.2°C).

The diagram shows how

resolution increases as

temperature rises.

At -22°F (-30°C), the

resistance is 177kOhm and

at 248°F (120°C) only

0.38kOhm. A change of

temperature of 18°F

(10°C) at -22°F (-30°C)

causes a change of

resistance of 80kOhm and

at 248°F, only 0.057kOhm.

216

180

144

108

72

36

Temperature °F

9

1. System

Requirements

IBM PC compatible PC 80386/33 or higher with minimum 8 MBytes RAM

(Pentium with 16 MBytes recommended):

- SVGA graphics board, 640x480

- At least 5 MBytes available space on the hard disk

- a free communication port: COM1, COM2, COM3 or COM4 (RS232 port)

- Mouse to run the program easily

- Microsoft Windows 3.1 / Windows 95 / Windows 98 / Windows NT 4.0.

If using Microsoft Windows 3.11, please use the updated "Serial.386 Driver for

Windows/TM for Workgropups Rev. Date 3/94".

2. Installing the

Software

Windows 3.1x:

Start Windows. Open Program Manager and click on "File". In the "File"

window, select "Run ...". Now insert the program floppy disk into drive A or B.

In the "Run ..." command window write "A:setup" or, correspondingly, "B:setup"

and confirm the entry with the "OK" button. If you are not selecting any other

directory, confirm the directory recommended. Installation now proceeds

automatically.

Windows 95 / 98 / NT4.0:

Start Windows. Click on "Start" and choose "Run". Insert floppy disk into drive

A or B. In the "Run" command window write "A:\setup.exe"or "B:\setup.exe"

and confirm the entry with the "Enter" key. If you are not selecting any other

directory, confirm the directory recommended.

Installation now proceeds automatically.

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3. Installing the

Datalogger

The datalogger can only be connected to the computer via the interface

supplied. The interface ensures fast, reliable communication between the

datalogger and the computer and does not take power from the datalogger

battery. Connect the interface to a free Com Port using the cable supplied. Note

the Com Port number to enable you to select it in the software. If your Com Port

has a 25-channel plug, you will need a 25 to 9-pin D-Sub adapter, obtainable from

any computer retailer.

N.B.: When you have connected the interface to the computer, switch the

interface ON. The function is displayed by the red LED. Be sure to switch on the

interface before connecting the datalogger to the interface. If you have already

connected the datalogger by mistake, remove it and reconnect it with the

interface switched on. If you do not follow this sequence, the datalogger

battery is drained unnecessarily and communication between the computer and

the datalogger is not possible. By following the setup sequence described, the

datalogger is switched to its normal state when connected, and is thus ready for

communication. In addition, the datalogger is supplied with power by the

interface to meet the requirements of the interface.

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4. Software

4.1 Starting Up the

Software

When installing the software, the software opens a new program group in your

Windows program with its own icon. Start the software by clicking twice on the

icon. Once the software has been loaded, the software will display the following

opening menu:

µScanT

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4.2 Com Port

First select the Com Port to which you have connected the interface. To do this,

move the mouse pointer to the appropriate "utility" key. This key will show you

a new key "Change Com Port". Move again the mouse pointer to the "Change

Com Port" key and activate the port by clicking with the mouse.

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Save the selected Com Port by clicking on the "Save" key.

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Return to the main window and activate the new Com Port by moving the mouse

cursor to the "Com Port?" key and click on with the mouse.

An error occurs, if the port is in use

by another program or device. Please

repeat the steps again and select the

correct port.

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4.3 Test & Clear Data By clicking with the mouse on the “Test & Clear” key, you will start a datalogger

test program, which tests the internal function of the datalogger. This tests and

then clears all the memory cells. Never use this program after capturing data with

the datalogger, because it would then be lost before evaluation. Start the

program by clicking with the mouse on the “Test & Clear” key. The display shows

the test status. Exit the test by clicking on the “Return to Main” key.

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4.4 Put to Sleep If you do not use the datalogger for some time, select the Sleep Mode to conserve

the battery. When in Sleep Mode, the datalogger uses less than 17 µA. Start this

program by activating the “Put to Sleep” key in the Main Menu and pressing this

key again in the Submenu. Then disconnect the datalogger from the interface

and put it aside.

To awake the datalogger again,

reconnect it to the interface. The

connection process reactivates the

datalogger ready for communi-

cation.

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4.5 Datalogger

Identification

To start using the datalogger, the Setup program has to be started. Do this by

clicking with the mouse on the “Setup” key in the Main Menu. This will open the

“OM-USCAN Setup” window. This window contents two parts. One part is the

datalogger identification with the serial number of the datalogger.

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blank fields for data entry

First line: Company

Second line: Driver

Third line: Container No.

Fourth line: Destination

In the blank field on the

right side you can enter now

your desired infor-mation.

Don´t use the character "&",

this character is used as a

control character and will

terminate any further input.

The flexibility of the datalogger software allows you to create your own

application header to indentify after data recording unequivocal your datalogger.

(Please refer to part 6 Language Editor.) As an application example we created a

header as follow:

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Example:

confirm entry

To charge the datalogger with the header information you have to click with the

mouse on the "Accept Input" key. If you start the datalogger without confirmation,

the old header is kept in memory. To test the content of a previous header please

go to the "Readout" menu. This menu will show you the present header. If you like

to keep it unchanged, go directly to the datalogger setup menu without

confirmation by the "Accept Input" key. The software charges now the datalogger

with the data and afterwards reads out the data for correctness test.

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The second part of the setup window is intended to charge the datalogger

with recording parameters as sampling-time-intervals, kind of sensor used, start

delay and timing mark.

To select the setup

conditions you will

find the correspon-

ding information

under following

items:

4.61 Active

Sensor

4.62 External

Sensor

4.63 Sampling

Rate

4.64 Start Delay in Days

start Hour

4.6 Datalogger Setup

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Omega OM-USCAN Series Owner's manual

Omega OM-USCAN Series Owner's manual

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