Specifications - Rae QRAE II User Manual

Specifications

1.2
Pumped or diffusion 4-gas with datalogging
Configuration
Dimensions: Diffusion: 5" L x 2.8" W x 1.5" H (125mm x 72mm x 38mm)
Pump: 5" L x 2.8" W x 1.5" H (125mm x 72mm x 38mm)
Diffusion: 9 oz (250g)
Weight:
Pump: 12 oz (350 g) with battery
Detectors: 2 Electrochemical toxic gases sensors
1 Solid Polymer Electrolyte oxygen sensor
1 Catalytic sensor for combustible level organics
Battery: Rechargeable 3.7V Li-ion battery pack (6-hour charge time) or a 3 AA
alkaline battery adapter.
Operating Time: Up to 10 hours continuous w/ Li-ion battery pack
Display: 4-line graphical LCD with automatic LED backlight for dim lighting
conditions
2 programming/operation keys
Keypad:
Up to 4 simultaneous values with sensor name, battery charge, high and low
Direct Readout:
values for all sensors, elapsed time, and datalogging on/off state
Sampling Method: Diffusion or pumped (depending on model)
Range, Resolution LEL
& Response Time:
O
2
CO
H S
2
Alarm Settings: Separate limits for TWA, STEL, High, Low
>95 dB @ 30 cm buzzer, flashing red LEDs, vibration alarm, LCD to
Alarms:
indicate exceeded preset limits, low battery, or sensor failure
Calibration: Two-point field calibration for fresh air and standard reference gas
Protection: Password protected calibration settings, alarm limits, and data
Intrinsic Safety: CSA Class I, Division 1, Group A, B, C, D, T4 (US & Canada), SIRA
ATEX II 2G Ex ia d II C T4 Gb (Europe), IECEx Ex d ia II C T4 Gb
EM Immunity: No effect when exposed to 0.43mW/cm
at 12"/10cm).
Data Storage: 64,000 readings (64 hours, 4 channels at 1 minute interval) in non-volatile
memory.
Programmable 1- to 3,600-second intervals
Datalog Interval:
Separate alarm limit settings for TWA, STEL, Low and High alarm.
Alarm Settings:
Communication: Download data to PC and upload monitor setup from PC through an RS-232
link to PC serial port
Temperature:
-20 C to 50 C (-4 F to 122 F)
0% to 95% relative humidity (non-condensing)
Humidity:
Caution:
Refer to RAE Systems Technical Note TN-114 for sensor cross-sensitivities.
Refer to RAE Systems Technical Note TN-144 for LEL sensor poisoning.
QRAE II User Guide
QRAE II Specifications
0-100% 1 %
0-30% 0.1 %
0-1000 ppm 1 ppm
0-100 ppm 0.1 ppm
Page 7
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RF interference (5-watt transmitter