Process Calibrators
Precautions and Safety Information
3
• Remove test leads from the Calibrator before opening
the battery door.
• When servicing the Calibrator, use only specified
replacement parts.
• Do not allow water inside the case.
• When using the Calibrator’s internal pressure sensor, do
not connect a pressure module at the Calibrator to avoid
misleading readings. If both a pressure module and the
internal pressure sensor are connected, the Calibrator
displays ONLY the pressure module measurement. To
avoid misleading readings, disconnect the pressure
module connector at the Calibrator.
• Remove test leads or attached thermocouple miniplug
(714 only) from the calibrator before opening the battery
door.
• Do not operate the calibrator around explosive gas,
vapor or dust.
• 717, 718, 719, and 718Ex only: To avoid a violent release
of pressure in a pressurized system, shut off the valve
and slowly bleed off the pressure before you attach or
detach the calibrator pressure fitting to the pressure line.
• For 718 (non-Ex) and 719 only: Use only two 9 V
batteries, properly installed in the calibrator case, to
power the calibrator.
• For 717 and 718: Turn off circuit power before
connecting the calibrator mA and COM terminals in the
circuit. Place calibrator in series with the circuit.
• Do not use in a damp or wet environment.
WCaution
• To prevent damage to the unit under test, be sure the
Calibrator is in the correct mode before connecting the
test leads.
• The 71X Series Calibrators contain parts that can be
damaged by static discharge. If you open the case,
follow the standard practices for handling static
sensitive devices. Refer to “Static Awareness”.
• Models, 717, 718, and 719 only: To avoid mechanically
damaging the calibrator, do not apply torque between
the pressure fitting and the calibrator case. See Figure 1
for the proper use of tools.
1.888.610.7664 sales@GlobalTestSupply.com
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