GENERAL INFORMATION
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1. General Information
The Q-RAE Plus is a programmable multi-gas monitor
designed to provide continuous exposure monitoring of toxic
gases, oxygen and combustible gases for workers in
hazardous environments. There are two models available:
PGM-2000, a pumped unit, and PGM-2020, a diffusion unit.
Table 1. QRAE Plus Specifications
Dimensions:
3” L x 4.5” W x 1.8” H (7.6 x 11.4 x 4.3 cm)
Weight:
15 oz (525 g) with battery
Detectors:
2 Electrochemical toxic gases sensors
1 Electrochemical oxygen sensor
1 Catalytic/Thermal conductivity sensor for
combustibles
Battery:
Rechargeable 3.6V/3000 mAh, Li-ion battery
pack with built-in charger – 8 hours of charge
time, up to 20 hours run time
Alkaline battery adapter (2 AA’s)
Operating Time:
Up to 20 hours continuous w/ Li-ion battery pack
Display:
Two-line, 16-character LCD with automatic LED
backlight for dim lighting conditions
Keypad:
One operation key. 2 programming keys
Direct Readout:
Up to 4 instantaneous values, sensor name, high
and low values for all sensors, TWA and STEL
values for toxic, battery voltage and elapsed time
Sampling Pump:
Internal integrated pump with adjustable settings
for low or high speed sampling
Alarm Settings:
Separate limits for TWA, STEL, low and high
Alarms:
95 dB buzzer, flashing red LED, vibration alarm,
LCD to indicate exceeded preset limits, low
battery, or sensor failure
Calibration:
Two-point field calibration for fresh air and
standard reference gas
Three-point optional oxygen calibration
Attachments:
Rubber boot, belt clip, wrist strap
Protection:
Password protected calibration settings, alarm
limits, and data
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