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 THERMOMETER

 

 

 

6

IV. Operation Instructions: 

4.1 Power-Up & Turn ON/OFF backlight 

The 

I

 key turns the Thermometer ON or OFF and 

backlight ON & OFF. 
Press it once to turn on the Thermometer. 
Press it again for moment to turn ON or OFF backlight. 
Press and hold this button 3 second to turn OFF the 
power.    

4.2 Connection the Thermocouples 

For measurement, plug the thermocouple into the input 
connectors. 

4.3 Selecting the Temperature Scale 

When the meter was powered on, the user may change it 
to Fahrenheit (°F) by pressing “ 

°C/°F

 ” button and vice 

versa to Celsius.   

4.4 Data-Hold Operation 

The user may hold the present reading and keep it on the 
display by pressing the “

HOLD

” button. When the held 

data is no longer needed, one may release the data-hold 
operation by pressing “

HOLD

” button again. 

When the meter is under Data Hold operation, the

  “

REL”

,

“MAX MIN”

,

“T1-T2” 

and 

“°C/°F”  

button are 

disabled. (when you press 

REL”

,

“ °C/°F ”

,

 “T1-T2” 

and

 “MAX MIN” 

button in HOLD mode, there will be two 

continuous beeps) 

4.5 T1-T2 Operation: 

When this button is pushed, “

1 – 2 

” will be 

shown on the upper right hand side LCD 
display to indicate that the tester is under T1 

Summary of Contents for 800023

Page 1: ...4 Channel Thermometer 800023 INSTRUCTION MANUAL SPER SCIENTIFIC LTD...

Page 2: ...emperature Scale 5 4 4 Data Hold Operation 5 4 5 T1 T2 Operation 5 4 6 Relative Operation 6 4 7 MAX MIN Operation 6 4 8 Auto Power Off 7 4 9 Low Battery Condition 7 4 10 Calibration Point 7 4 11 Digit...

Page 3: ...F Input Protection at Thermocouple Input 60V DC or 24Vrms AC Environmental Operating Temperature and Humidity 0 C 50 C 32 F 122 F 0 80 RH Storage Temperature and Humidity 10 C to 60 C 14 F 140 F 0 80...

Page 4: ...acy specification for additional details Electromagnetic Compatibility Total accuracy specified accuracy 2 C 3 6 F Sample Rate 3 seconds per period Dimension 184 64 30mm Weight 250g Approx Accessories...

Page 5: ...aximum value is now being displayed The Minimum value is now being displayed This indicates auto power off is enabled This indicates that the display data is being held The Battery is not sufficient f...

Page 6: ...TIONS RANGE F 328 200 C REL HOLD Button Location 1 K type temperature sensor T1 to T4 input connector 2 LCD display 3 ON OFF Backlight button 4 Hold button 5 Relative button 6 T1 T2 button 7 MAX MIN f...

Page 7: ...n the user may change it to Fahrenheit F by pressing C F button and vice versa to Celsius 4 4 Data Hold Operation The user may hold the present reading and keep it on the display by pressing the HOLD...

Page 8: ...ous beep 4 7 MAX MIN Operation When pressing the MAX MIN button the meter will enter the MAX MIN mode Under this mode the maximum value minimum value is kept in the memory simultaneously and updated w...

Page 9: ...nd there will be two successive beeps to indicate that auto power off is disabled and the will not show up 4 9 Low Battery Condition When the battery voltage is under proper operation requirement the...

Page 10: ...THERMOMETER 9 Appendix Thermocouple probe specification Range Tolerances Description 50 to 200 58 to 392 2 2 or 0 75 3 6 or 0 75 with Teflon tape insulation Maximum insulating temperature 260...

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