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Users Manual
30
Testing Continuity
In the continuity function, the beeper sounds and the
word Short appears on the display when the
resistance between the
Ω
MEAS jack and its
common jack is less than 10
Ω
. The word Open
appears when the resistance is greater than 400
Ω
.
Proceed as follows to test continuity:
1. Remove power from the circuit to be tested.
2. If necessary, press M for MEASURE mode.
3. Press q twice so that Open appears.
4. Connect the calibrator to the circuit to be tested
as Figure 9 shows.
Measuring Pressure
To measure pressure, attach the appropriate
pressure module for the pressure to be tested.
Pressure modules are available in gage or
differential types depending on range. (See
“ACCESSORIES” near the front of this
manual.)Gage pressure modules have one pressure
fitting and measure the process pressure with
respect to atmospheric pressure. Differential
pressure modules have two pressure fittings and
measure the difference between the applied
pressure on the high fitting versus the low fitting.
Figure 10 shows the two types.
Proceed as follows to measure pressure:
W WARNING
TO AVOID A VIOLENT RELEASE OF
PRESSURE IN A PRESSURIZED SYSTEM,
SHUT OFF THE VALVE AND SLOWLY
BLEED OFF THE PRESSURE BEFORE YOU
ATTACH THE PRESSURE MODULE TO THE
PRESSURE LINE.
Differential
HighLow
15 PSID/G
BURST PRESSURE 45 PSIG
PRESSURE MODULE
700
P
04
1 bar100 kPa
RANGE
Gage
RANGE
100 PSIG
BURST PRESSURE 300 PSIG
PRESSURE MODULE
700
P
06
7 bar700 kPa
Figure 10. Gage and Differential Pressure Modules