7
3.2 Calibration Procedures
(continued)
Figure 3-1 Transmitter Calibration Set-Up
Table 3-1. Calibration Values
Temperature
Resistance Input (Ohms)
Input Range
Model
Alpha=0.00385
Zero/Span
TX94A Zero/Span
-40/120°F
-1
84.27 / 119.01
0/200°F
-2
92.95 / 135.84
0/300°F
-3
92.95 / 156.94
0/500°F
-4
92.95 / 197.69
0/750°F
-5
92.95 / 246.69
0/1000°F
-6
92.95 / 293.46
COPPER WIRE
RTD
CALIBRATOR
(CL511)
DECADE
RESISTANCE BOX
EITHER OR
ZERO
SPAN
*With 250 Ohm Load,
dc Supply must be
at least 12-35 Vdc
DC SUPPLY
8-35 Vdc
DMM
(4-20 mA)
MONITOR
250 Ohms*
(-)
(+)
