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Qrae 3 PGM-2500 Multi-Gas detector, detect 4 gases



Option for detect 4 of below gases:

Sensor: LEL, OXY, H2S, NH3, CL2, NO2, SO2, HCN, NH3, PH3


QRAE 3 is a versatile, rugged, one- to four-sensor pumped or diffusion gas monitor that provides continuous exposure monitoring of oxygen (O2), combustibles, and toxic gases, including hydrogen sulfide (H2S), carbon monoxide (CO), sulfur dioxide (SO2) and hydrogen cyanide (HCN) for workers and responders in hazardous environments.

The QRAE 3’s wireless communications capability enables access to real-time instrument readings and alarm status (including man-down alarm) from any location for better visibility and faster response. Real-time hazard readings can also be communicated to the ProRAE Guardian Safety System and the EchoView Host Mini-Controller Closed-Loop Wireless System for safety-enhancing wireless monitoring.

Key features

  • Real-time gas detector readings and alarm status enabled by state of the art wireless technology
  • Unmistakable five-way local and remote wireless notification of alarm conditions
  • Intuitive simple-to-operate two-button user interface
  • Strong, protective, concussion-proof design
  • IP-65/67 water- and dust-resistant case


  • Clandestine Labs
  • Confined Space Entry
  • Emergency Response
  • Environmental Cleanups/ Remediation
  • Exploration
  • Fire Overhaul
  • Leak Detection
  • Plant Shutdown & Turn-Around
  • Residential Calls
  • Urban Search & Rescue
  • Worker Exposure


General Spec.

Detector LEL: Catalytic bead, built in correction factor library
Oxygen: Liquid electrolyte
Toxic: Electrochemical CO, H2S, NH3, Cl2, NO2, SO2, HCN, NH3, PH3
Battery Rechargeable Lithium-ion
Operating Periods Diffusion, Non-Wireless: Up to 14 hours
Pumped, Non-Wireless: Up to 11 hours
Diffusion, Wireless: Up to 10 hours
Pumped, Wireless: Up to 8 hours
Note: All battery specifications at 68°F, lower temperatures and alarm conditions will affect runtime
Graphic Display Monochrome graphic display (128×80)
Display Size: 1.57″ x 1/06″ with backlighting
Automatic or on-demand screen rotation
Keypad Two button operation
Direct Readout Real time reading of gas concentrations
Battery status
Pump status, if equipped
Wireless on/off and wireless reception quality
STEL, TWA, peak and minimum values
Man Down and policy enforcement indicators
Alarm Multi tone 95 dB buzzer, vibration alarm and flashing red LEDs and on-screen indication of alarm conditions
Alarms: Latching, non latching or manual override
Additional diagnostic alarm and display message for low battery
Pump stall alarm, pump version only
Man Down Alarm with pre-alarm and real time remote wireless notification
EMI/RFI EMI & ESD Test: 100 MHz to 1 gHz 30V/m, no alarm / Contact: ±4kV / Air: ±8kV, no alarm
IP Rating Pumped: IP-65 / Diffusion: IP-67
Data Logging Continuous datalogging, 3 months for 4 sensors at 1 minute intervals / User configurable datalogging intervals, from1 to 3,600 seconds
Communication & Data Download Data download and instrument set up and upgrades on PC via travel charger / Wireless data and status transmission via built in RF modem, optional
Wireless Network Mesh Rae Systems Dedicated Wireless Network / ISM license free bands, 868MHz or 90MHz
Wireless Range EchoView Host: LOS > 650 feet / ProRae Guardian & Mesh Reader: LOS > 650 feet / ProRae Guardian & RaeLink3: LOS > 330 feet
EM Immunity EMI & ESD Test: 100MHz to 1GHz 30V/m, no alarm / Contact: ±4kV / Air: ±8kV, no alarm
IP Rating Pumped: IP-65 / Diffusion: IP-67
Calibration Two point calibration for zero and span (manual or automatic with AutoRae 2)
Sampling Pump Built in pump or diffusion / Can sample through tubing up to 98 feet
Temperature -4 to 122°F
Humidity 0 to 95% rH, non condensing
Size Diffusion: 5.5″ L x 3.2″ W x 1.5″ H / Pumped: 5.7″ L x 3.2″ W x 1.7″ H
Weight Diffusion: 12.9 ounces / Pumped: 14.5 ounces
Approvals US & Canada: Class I, Division 1, Groups A, B, C, D

Sensor Spec.

Gas Range Resolution
Combustible Gas 0-100% LEL 1%
Oxygen 0-30% 0.1%
Carbon Monoxide 0-500 ppm 1 ppm
Hydrogen Sulfide 0-100 ppm 0.1 ppm
Sulfur Dioxide 0-20 ppm 0.1 ppm
Hydrogen Cyanide 0-50 ppm 0.5 ppm
Ammonia 0-100 ppm 1 ppm
Phoshpine 0-20 ppm 0.01 ppm
Chlorine 0-50 ppm 0.05 ppm
Nitrogen Dioxide 0-50 ppm 0.1 ppm




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