GENERAL INFORMATION
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1.1 General Specifications
Table 1.1
VRAE Gas Monitor Specification
Dimensions:
7.75”L x 2.75”W x 1.5”H
(19.6 cm x 7.0 cm x 3.8 cm)
Weight:
19 oz (540 g) with battery.
Detector:
5 sensors: electrochemical sensors for
toxic gases, oxygen sensor, catalytic bead
for combustible gases and thermal
conductivity detector (TCD) for a broad
range of gases.
PGM-7800: oxygen, combustible, TCD
and three toxic gas sensors.
PGM-7840: one combustible/TCD and
four toxic gas sensors.
Battery:
Rechargeable, 4.8V/1250 mAh, Ni-MH
battery pack with built-in charger (10
hours charge time) or a 4 AA alkaline
battery adapter.
Operating Time: Up to 10 hours continuous operation.
Display:
2-line, 16 digit LCD with LED back light
automatically in dim light.
Keypad:
1 operation key and 2 programming keys.
Direct Readout: Instantaneous values (up to 5), sensor
name, high and low values for all detectors,
TWA and STEL values for toxic, battery
voltage and elapsed time.
