MultiRae Lite Wireless Portable multi gas detector

The Rae Systems MultiRae Lite is a portable combustible gas detector that provide versatile, customizable detection and monitoring of up to six gases, available in both pumped and diffused air models. With more than 25 sensors to choose from – the broadest selection in its class – it can test for VOCs, combustibles and a range of toxic threats, as well as monitor sufficient oxygen levels, making it an excellent choice for personal protection and leak detection in a range of industries and applications.

The wireless connection sends threat and alarm data in real time to a central command, providing superior awareness for fast incident response. And its replaceable sensors, alarm and battery, large screen and automated bump testing can calibration make it easy to use and maintain.


  • Multi gas monitor for 1 to 6 gases
  • Pumped and diffusion models available
  • Man down alarm
  • More than 25 different chemical sensors
  • Fully automatic bump testing and calibration
  • Real time access to readings at central command
  • Swap out sensors as needed
  • Simple maintenance with replaceable sensors, pump and battery
  • 5 way local and remote wireless alarm
  • Multi language capability
  • Fully compatible with AutoRae 2


  • Personal protection and multi gas leak detection
  • Confined space entry
  • Emergency response
  • Environmental cleanups/remediation
  • Exploration
  • Fracking
  • Hazmat response
  • Oil and gas
  • Food and beverage
  • Wastewater treatment
  • Fire overhaul

Instrument Specifications

MultiRae DetectorsProtected catalytic bead & NDIR for combustible gases, NDIR for carbon dioxide, 30 interchangeable electrochemical sensors for oxygen and toxic gases, photo ionization detector for VOCs
Battery OptionsRechargeable Li-ion
Extended Li-ion
4 x AA alkaline batteries
Operating HoursRechargeable Li-ion: 12 hours pumped, 18 hours diffusion
Extended Li-ion: 18 hours pumped, 28 hours diffusion
Alkaline: 6 hours pumped, 8 hours diffusion
DisplayMonochrome graphic LCD, 128 x 160 display, automatic screen flip feature
Key Pads3 operation and programming key (Mode, Y/+, N/-)
AttachmentDurable yellow boot with belt clip and wrist strap
Direct ReadoutReal time reading of gas concentration, PID measurement and correction factor, battery status, datalogging on/off, wireless on/off, reception quality, STEL, TWA, peak and minimum values
AlarmsWireless remote alarm notification, multi tone audible (95 dB @ 30cm), vibration, visible (flashing bright LEDs) and on screen indication of alarm conditions, Man Down Alarm with pre-alarm and real time wireless notification
CalibrationAutomatic with AutoRae 2 Test and Calibration System or manual
DataloggingContinuous datalogging (6 months for 5 sensors at 1 minute intervals), user configurable datalogging intervals from 1 to 3,600 seconds
Communication & Data DownloadData download and instrument set up and upgrades on PC via charging and PC comm cradle, travel charger or AutoRae 2 Calibration System, wireless data and alarm status transmission via built in RF modem (optional)
Wireless NetworkProRae Guardian Real-Time  wireless network
Wireless FrequencyISM license free bands
Wireless RangeMultiRae Lite to RaeLink 3 Mesh or RaeLink3 Z1 Mesh modems: 33 feet
Sampling PumpBuilt in pump or diffusion
IP RatingIP-65 pumped, IP-67 diffusion
Temperature-4° to 122°F
Humidity0 to 95% relative humidity (non-condensing)
Intrinsic SafetyCSA: Class I, Division I, Groups A, B, C, D, T4
Atex: CE 0575 ex II 2G Ex ia d IIC T4 Gb
IECEx: Ex ia d IIC T4 Gb
CE ComplianceEMC directive 2004/108/Ec, R&TTE directive, 1999/5/EC
ATEX directive 94/9/EC
EMI/RFINo effect when exposed to 0.43 mV/cm2, RF interference from a 5 watt transmitter at 12″
Performance TestsLEL CSA C22.2 No 152, ISA-12.13.01
Warranty2 years on non consumable components, catalytic LEL, CO, H2S, & O2 sensors 1 year on all other sensors, pump, battery & other parts
SizePumped: 7.6″ H x 3.8″ W x 2.6″ D
Diffusion: 6.9″ H x 3.8″ W, 2.2″ D
WeightPumped: 31 ounces
Diffusion: 26.8 ounces
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