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525A
Users Manual
6-10
Testing Ohms Output
Use the precision DMM to measure the resistance output. Figure 6-6 shows the
four-wire connections. Set the DMM to the “TRU OHMS” setting. See the 1281
Operators Manual for information on using the “TRU OHM” setting.
Note
The Wavetek 1281 must be in the “loI” (low current mode) when
measuring 5 ohms in the 4 K ohm range or an overload will occur.
525A
1281 Ohms
4-wire Function
INPUT
OUTPUT
HI
VOLTS
mA
RTD
HI
LO
HI
LO
LO
TC
SENSE
INPUT/OUTPUT
4W RTD
SET
RECALL
LOCAL
EXP
AUTOSET
INPUT
OUTPUT
ZERO
RNG LOCK
C / F
CJC
SETUP
20V PK
MAX
100V MAX
100mA MAX
20V PK
MAX
20V PK
MAX
525A
TEMPERATURE / PRESSURE CALIBRATOR
0
•
1
2
3
4
5
6
7
8
9
/
VOLTS
mA
TYPE
UNITS
TC
RTD
SHIFT
ENTER
STBY
OPR
CE
ajr23f.eps
Figure 6-6. Connection for Measuring Resistance Output
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
FAX 781.665.0780 - TestEquipmentDepot.com
Summary of Contents for 525A
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