Elma 718, User Manual

Elma 718 

side 19

Operation Instructions: 

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.    
 

Connection the Thermocouples 

For measurement, plug the thermocouple into the input connectors. 
 

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.  
 

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 “MAX MIN”,“T1-T2” and “°C/°F”  button 
are disabled. (when you press “ °C/°F ”, “T1-T2” and “MAX MIN” button in HOLD mode, 
there will be two continuous beeps) 
 

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 minus T2 
mode. The temperature difference is shown on the right hand side display 
as shown in Fig. 
 

Record and Erase memory Operation: 

When one presses the "REC" button, the meter will start recording,  and 
pressing the "REC" button again will stop recording, If you want to clear 
the memory, power off the meter, then press and hold “REC” button and 
then press power button and hold at least 5 seconds, then LCD will show "CLR" “SURE 5”, 
then release all buttons to clear the memory.