1-2
This label contains:
• model number
• the refrigerant that the unit will detect
• information concerning proper voltages and frequency
required to power the unit
Terminology Used in this Manual
FLOW RATE:
Volume of gas drawn through the sample line per minute.
EXHAUST GAS:
Sample gas after it passes through the sensor.
FRESH AIR:
Air that has no possibility of containing refrigerant gas. Contamination
with refrigerant gas would interfere with the calibration and the flushing
of the instrument.
ZERO:
A zero (0) output usually indicates ambient air present or no refrigerant
gases present.
SCRUBBER:
An activated carbon filter which removes and cleans the span gas in the
calibration operation prior to exhausting excess gas to ambient air.
ZEROING:
The process of placing a zero indication on the output of the instrument.
SPAN:
A full-scale or up-scale reading on the output of the instrument.
SPANNING:
The process of placing a full-scale or up-scale output of the instrument.
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