Sper Scientific 800023 User Manual

SPER

4-Channel

Thermometer

800023

INSTRUCTION MANUAL

SCIENTIFIC LTD.

THERMOMETER

CONTENTS

TITLE PAGE

I. Introduction……………………………….…………..…….….. 1

II. Specifications………………………………..………………...

III. Symbol Definition and Button Location………………….…

IV. Operation Instructions………………………...……………...5

4.1 Power-Up & turn ON/OFF backlight…………...………..

4.2 Connection the Thermocouples…………..……….……..5

4.3 Selecting the Temperature Scale………………………...5

4.4 Data-Hold Operation………………………….…………...5

4.5 T1-T2 Operation…………………………………………...

4.6 Relative Operation…………………………………………6

4.7 MAX/MIN Operation…………………………………….…

4.8 Auto Power Off………………………………………….…

4.9 Low Battery Condition ……………………………………

4.10 Calibration Point………………………………….………

4.11 Digital Output……………………………………………..
Appendix: Thermocouple probe specification……………… 8

I. Introduction:

This instrument is a four channel digital thermometer for
use with any K-type thermocouple as temperature sensor.
Temperature indication follows National Bureau of

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THERMOMETER

Standards and IEC584 temperature/voltage table for
K-type thermocouples. It uses RS232 interface to perform
bi-directional communication with PC.

II. Specifications:

Numerical Display:
4 digital Liquid Crystal Display per channel.

Measurement Range:

-200°C ~ 1370°C -328°F ~ 2498°F

Resolution:

-200°C~ 200°C 0.1°C; 200°C ~1370°C 1°C

-200°F~ 200°F 0.1°F; else 1°F
Input Protection at Thermocouple Input: 60V DC, or

24Vrms AC

Environmental:

ο Operating Temperature and Humidity: 0°C ~50°C

(32°F ~ 122°F) ; 0 ~ 80% RH

ο Storage Temperature and Humidity: -10°C to 60°C

(14°F ~ 140°F); 0 ~ 80% RH

ο Altitude up to 2000 meters.

Accuracy: at ( 23 ± 5°C )

Range Accuracy

-200°C ~ 200°C ±(0.2% reading + 1°C)
200°C ~ 400°C ±(0.5% reading + 1°C)
400°C~1370°C ±(0.2% reading + 1°C)

-328°F ~ -200°F ±(0.5% reading + 2°F)

-200°F ~ 200°F ±(0.2% reading + 2°F)

200°F ~ 2498°F ±(0.3% reading + 2°F)

Temperature Coefficient:

For ambient temperatures from 0°C ~ 18°C and 28°C ~
50°C, for each °C ambient below 18°C or above 28°C

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