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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.

DetectorLEL: Catalytic bead, built in correction factor library
Oxygen: Liquid electrolyte
Toxic: Electrochemical CO, H2S, NH3, Cl2, NO2, SO2, HCN, NH3, PH3
BatteryRechargeable Lithium-ion
Operating PeriodsDiffusion, 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 DisplayMonochrome graphic display (128×80)
Display Size: 1.57″ x 1/06″ with backlighting
Automatic or on-demand screen rotation
KeypadTwo button operation
Direct ReadoutReal 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
AlarmMulti 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/RFIEMI & ESD Test: 100 MHz to 1 gHz 30V/m, no alarm / Contact: ±4kV / Air: ±8kV, no alarm
IP RatingPumped: IP-65 / Diffusion: IP-67
Data LoggingContinuous datalogging, 3 months for 4 sensors at 1 minute intervals / User configurable datalogging intervals, from1 to 3,600 seconds
Communication & Data DownloadData download and instrument set up and upgrades on PC via travel charger / Wireless data and status transmission via built in RF modem, optional
Wireless NetworkMesh Rae Systems Dedicated Wireless Network / ISM license free bands, 868MHz or 90MHz
Wireless RangeEchoView Host: LOS > 650 feet / ProRae Guardian & Mesh Reader: LOS > 650 feet / ProRae Guardian & RaeLink3: LOS > 330 feet
EM ImmunityEMI & ESD Test: 100MHz to 1GHz 30V/m, no alarm / Contact: ±4kV / Air: ±8kV, no alarm
IP RatingPumped: IP-65 / Diffusion: IP-67
CalibrationTwo point calibration for zero and span (manual or automatic with AutoRae 2)
Sampling PumpBuilt in pump or diffusion / Can sample through tubing up to 98 feet
Temperature-4 to 122°F
Humidity0 to 95% rH, non condensing
SizeDiffusion: 5.5″ L x 3.2″ W x 1.5″ H / Pumped: 5.7″ L x 3.2″ W x 1.7″ H
WeightDiffusion: 12.9 ounces / Pumped: 14.5 ounces
ApprovalsUS & Canada: Class I, Division 1, Groups A, B, C, D

Sensor Spec.

Combustible Gas0-100% LEL1%
Carbon Monoxide0-500 ppm1 ppm
Hydrogen Sulfide0-100 ppm0.1 ppm
Sulfur Dioxide0-20 ppm0.1 ppm
Hydrogen Cyanide0-50 ppm0.5 ppm
Ammonia0-100 ppm1 ppm
Phoshpine0-20 ppm0.01 ppm
Chlorine0-50 ppm0.05 ppm
Nitrogen Dioxide0-50 ppm0.1 ppm




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