The QRAE II is a full-featured, compact, one- to four-sensor gas detector for oxygen, combustibles, hydrogen sulfide, carbon monoxide or sulfur dioxide. Key features include easy-to-change battery pack, a water-resistant case and a new state-of-the-art O2 sensor.
Key Features
Patented SPE O2™ Oxygen sensor unique features:
Lead-free design that complies with RoHS directive
Extended life compared to lead-type electrochemical oxygen sensors, resulting in a low cost of ownership
Leak-free design, minimizing downtime
Best EMI/RFI immunity technology for products in its class, eliminating radio interference
Easy access to pump, sensors, filter and battery compartment without exposing electronic components to potential damage
Interchangeable Lithium-ion and alkaline battery packs
Operating Period
Diffusion: Up to 14 hours continuous operation with Lithium-ion battery, up to 10 hours with alkaline battery (typical, without alarm) Pump: Up to 10 hours with Lithium-ion battery, up to 8 hours with alkaline battery
Display Graphic
4 lines, with LED automatic back light in dim light or alarm condition
Keypad
Two-key operation
Direct Readout
Instant reading of up to four sensors
Oxygen as percentage by volume
Combustible gas as percentage of lower explosive limit (LEL), scaleable using correction factors
Toxic gases as parts per million
High and low values for all gases
Battery and shutdown voltage
Date, time, elapsed time, temperature
Alarms
95dB buzzer (at 30 cm) and flashing red LED
High: 3 beeps, vibration and flashes per second
Low: 2 beeps, vibration and flashes per second
STEL and TWA: 1 beep, vibration and flash per second
Alarms: latching with manual override or automatic reset
Additional diagnostic alarm and display message for low battery
EMI/RFI
Highly resistant to EMI/RFI. Compliant with EMC directive 2004/108/EC additional +60 volts/meter
IP Rating
IP-65
Datalogging
Standard 12 days at one-minute intervals
Calibration
Two-point calibration for zero and span (manual, or automatic with the AutoRAE Lite)
Sampling Pump
Optional, internal pump 300 cc/mn
Hazardous Area Approval
US and Canada: CI, D1, Groups A, B, C, D, T4
Europe: ATEX II 2G EEx ia d IIc T4
IECEX: Ex ia d II C T4
Temperature
-4° to 113° F (-20° to 50° C) for T4 temperature code