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H25-IR Preparing for Operation
Instruction 3015-4342 11
2 Preparing for Operation
2.1 Connecting the Probe
Plug the probe connector into the front panel PROBE receptacle
by aligning the red dots on both the connector and receptacle. Screw the
desired flexible probe tube (8 or 15 inches) onto the probe assembly.
2.2 Connecting the AC Power Cord
The H25-IR is supplied with a 6 foot grounded AC power cord. Make sure
that an AC power receptacle (socket) compatible with this plug is available
nearby.
The instrument uses a universal AC power supply that accepts inputs of 100
to 240 VAC, 50/60 Hz. Power consumption is approximately 15 Watts.
Before connecting the AC power cord, first make sure the instrument’s power switch is OFF. Next, connect
the power cord to the instrument’s rear panel AC power receptacle, and then plug the power cord into a
nearby AC power receptacle.
2.3 Turning ON the Instrument
WARNING! Explosion Hazard. Do not operate this instrument in the presence of flammable liquids,
vapors or aerosols. Operation of this instrument in such an environment constitutes a safety hazard.
Turn ON the instrument by setting its power switch, located on the rear panel, to ON.
When power is first applied, the instrument produces one short beep and
then performs a self-diagnostic check while displaying the instrument’s
firmware version number (approx. 15 seconds).
Immediately afterwards, the instrument enters its warm-up mode and a countdown from 120 seconds is
started. In addition, a graphical display of the countdown period is provided by a bar graph that moves
down the screen during warm-up.
At the end of warm-up the Data Display screen appears. This screen shows the current gas measurement,
leak units, gas type, setup name, range, and mode of operation. In addition, a graphical display of the
relative gas level is provided by a bar graph that moves up the screen with increasing gas levels. Note that
the sensitivity of the bar graph is dependent on the Range setting.
Oz/yr
R134A
SETUP
SM SRCH
WARM UP
120
BACHARACH
VERSION x.xx
Gas Measurement
Leak Units
Gas Type
Setup Name (first 8 characters)
Range and Mode
Graphical Display of Relative Gas Level
Remaining Warm Up Time in Seconds
Graphical Display of Warm Up Time