Martel Electronics MasterCAL - Manual (Page 83)

Calibrator
Calibrating a Process Instrument
73
mA mA V V
RTD
RTD
SOURCE 300V
MAX
30V
MAX
30V
MAX
30V
MAX
MEAS
CAT
MEAS
SOURCE SETUP mA
V V
Hz
TC
RTD
7 8 9
4 5 6
1 2 3
0 .
Black
Power
Supply
TEST DC PWR
+ + –
– +
– +
Original
Circuit Wiring
Red
Color depends
on type of TC
ENTER
CLEAR
( ZERO)
TC
Miniplug
BETA MasterCAL 990
ot23c.eps
Figure 23. Calibrating a Thermocouple Temperature Transmitter