รหัสสินค้า : Q-RAE II



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
  • IP-65 water- and dust-resistant case
  • Strong, protective, concussion-proof design


  • Plug-in sensors: oxygen, combustibles, hydrogen sulfide, carbon monoxide or sulfur dioxide
  • Intuitive simple-to-operate two-button user interface with built-in pump
  • Display can be flipped 180º with the push of a button for easy viewing from belt or hand
  • Multi-language support
  • One-button calibration with autozero capability
  • Loud 95dB audible alarm
  • Bright, red flashing visible alarm
  • Vibration alarm
  • Interchangeable drop-in Lithium-ion and alkaline battery packs

Detector Specifications

SizeDiffusion: 5" L x 2.8" W x 1.5" H (12.5cm x 7.2cm x 3.8cm)

Pump: 5" L x 2.8" W x 2" H (12.5cm x 7.2cm x 5.0cm)WeightDiffusion: 9 oz (250 g)

  • Pump: 12 oz (350 g)SensorsCatalytic bead for combustibles
  • Oxygen: SPE O2™ (non-consumable Solid Polymer Electrolyte technology)
  • Toxic: electrochemical, H2S, CO or SO2

BatteryInterchangeable Lithium-ion and alkaline battery packsOperating PeriodDiffusion: 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 batteryDisplay Graphic4 lines, with LED automatic back light in dim light or alarm conditionKeypadTwo-key operationDirect ReadoutInstant 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
  • Alarms95dB 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/RFIHighly resistant to EMI/RFI. Compliant with EMC directive 2004/108/EC additional +60 volts/meterIP RatingIP-65DataloggingStandard 12 days at one-minute intervalsCalibrationTwo-point calibration for zero and span (manual, or automatic with the AutoRAE Lite)Sampling PumpOptional, internal pump 300 cc/mnHazardous Area ApprovalUS 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 codeHumidity0% to 95% relative humidity (non-condensing)AttachmentStainless-steel alligator clipWarrantyFull 2-year warranty, including all sensors

*Specifications are subject to change


  • Oil & Gas
  • HazMat
  • Industrial Safety
  • Environmental


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