Product Manual

7526A
Users Manual
4-16
Note
The last example uses a normally closed switch. The basic procedure is the
same for a normally open switch, but the display will read “OPEN” as an
alternative to “CLOSE”.
Pressure Switch Test
The connections for this test are shown in Figure 4-13.
CURRENT
OUTPUT
HI
VOLTS
mA
RTD/
OUTPUT
HI
LO
HI
LO
LO
TC
SENSE
INPUT/OUTPUT
4W RTD/
INPUT
100 V PK
MAX
100V MAX
100mA MAX
20V PK
MAX
20V PK
MAX
SET
RECALL
LOCAL
EXP
AUTOSET
INPUT
OUTPUT
ZERO
RNG LOCK
C / FCJCDISPLAY
100 V PK
MAX
HI
LO
PRECISION PROCESS CALIBRATOR
7526A
Press and Hold
or Switch Test
Switch Test
Reset
7 8 9
VOLTS
STBY LOOP
HART
PWR
OPR
TYPE
UNITS
CE
ENTERSHIFT
TC
RTD
mA
456
12
0
3
VOLTS
mA
gwp034.eps
Figure 4-13. Pressure Switch Test Connections