Product Manual

7526A
Users Manual
4-10
RTD Indicator
1. Disconnect test leads from external devices.
2. Select RTD output on the primary display as given in the “Resistance Temperature
Detector (RTD) and Ohms Source” section of Chapter 4.
3. Select the correct RTD type for the indicator.
4. Connect the indicator as shown in Figure 4-8.
5. To verify and calibrate the indicator, refer to the indicator documentation.
CURRENT
OUTPUT
HI
VOLTS
mA
RTD/
OUTPUT
HI
LO
HI
LO
LO
TC
SENSE
INPUT/OUTPUT
4 W RTD/
INPUT
100 V PK
MAX
100V MAX
100mA MAX
20V PK
MAX
20V PK
MAX
PRECISION PROCESS CALIBRATOR
7526A
4
+
+
135.78 C
++
+
135.78 C
+
+
+ +
135.78 C
2 Wire RTD
Indicator
3 Wire RTD
Indicator
4 Wire RTD
Indicator
1
2
1
2
3
1
2
3
4
1
2
3
gwp027.eps
Figure 4-8. RTD Indicator Application