34   23-03-2009  105446  06 
 
Pos. Description 
 
Input for RTD sensor (2, 3 or 4 wire). 
 
Connection to chassis (earth/ground).  
 
Input for reference sensor. 
 
Voltage input. 
 
Passive mA input. 
 
Active mA input with 24V supply for transmitter. 
 
Connection for thermostat test. 
Note that this connection is for dead switches. 
 
TC connection for thermocouples. 
One of the inputs either 
, , ,  or  can be selected 
displaying the “SENSOR” temperature in the Setup and 
 can be 
displayed as “TRUE” temperature. 
 
Note: Only the sensor type, which is to be tested, should be connected 
to the input panel. 
 
4.3 Display readouts 
 
Switch on the calibrator using the power control switch (pos. 
1 in fig. 5). The start up menu is displayed for approximately 
2 seconds and is then replaced with the main menu screen: