Extech Instruments VIR50, User Manual

VIR50-EU-EN v2.3   5/14 

7 

Datalogging Mode 

The datalogger automatically records readings to memory at a programmed interval. In the 
Datalogging mode, the high/low alarm values, low alarm value, datalogging interval sampling rate 
(time), can be configured. 

Once configured, press the trigger to start logging. The unit will automatically record data at the 
specified sampling time. Press the ESC buttom to exit the DATALOG mode, the meter will 
automatically save the data to a file. 

Set the high and low alarm values for the datalogger

From the Datalogger screen (shown above) use the arrow keys to select the HIGH or the LOW 
alarm value parameter and then press the ENTER button. Use the 

▲

 and 

▼

 buttons to adjust the 

alarm value, then press the ENTER button to confirm. 

Set interval time for the datalogger 

From the Datalogger screen use the arrow keys to select the interval TIME parameter and then 
press the ENTER button. Use the 

▲

 and 

▼

 buttons to adjust the time value (logger sampling rate) 

in seconds and then press the ENTER button to confirm. 

Select the line color for the datalogger 

From the Datalogger screen use the arrow keys to select the COLOR parameter and then press the 
ENTER button. Use the 

▲

 and 

▼

 buttons to select a line color and then press the ENTER button to 

confirm.