Rae QRAE II User Manual

QRAE II User Guide
Page 7
1.2 Specifications
QRAE II Specifications
Configuration
Pumped or diffusion 4-gas with datalogging
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)
Weight:
Diffusion: 9 oz (250g)
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
Keypad:
2 programming/operation keys
Direct Readout:
Up to 4 simultaneous values with sensor name, battery charge, high and low
values for all sensors, elapsed time, and datalogging on/off state
Sampling Method:
Diffusion or pumped (depending on model)
Range, Resolution
& Response Time:
LEL 0-100% 1 % 15 sec
O
2
0-30% 0.1 % 20 sec
CO 0-1000 ppm 1 ppm 25 sec
H
2
S 0-100 ppm 0.1 ppm 30 sec
Alarm Settings:
Separate limits for TWA, STEL, High, Low
Alarms:
>95 dB @ 30 cm buzzer, flashing red LEDs, 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
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
2
RF interference (5-watt transmitter
at 12"/10cm).
Data Storage:
64,000 readings (64 hours, 4 channels at 1 minute interval) in non-volatile
memory.
Datalog Interval:
Programmable 1- to 3,600-second intervals
Alarm Settings:
Separate alarm limit settings for TWA, STEL, Low and High alarm.
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)
Humidity:
0% to 95% relative humidity (non-condensing)
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.

Rae QRAE II Specifications

General

Brand	Rae
Model	QRAE II
Category	Measuring Instruments
Language	English