RAE Portable Benzene Multi-Gas Monitor MZB3-A4C112E-02_


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RAE Systems Portable Multi-Gas Monitor With Benzene-Specific Measurement is a Pumped, Non-Wireless monitor. This monitor combines the ability to make quick benzene-specific assessment (“snapshot”) measurements with the advantages of a versatile multi-gas monitor that can support approximately 20 intelligent interchangeable sensor options (PID, LEL, H2S, CO, O2). 

Applications: Confined Space Entry, Exploration, Fracking, Leak Detection, Plant Shutdown & Turn-Around

Key Features:

  • Snapshot Benzene specific measurement capability
  • 20 field-interchangeable sensor options, including PID, LEL, and exotics like ammonia, chlorine, and formaldehyde
  • Five local and remote alarms, including man down
  • Dust-tight and waterproof (IP65-rated)
  • Rugged design
  • Long battery run-time
  • Intuitive, icon-driven interface
  • Flippable screen
  • Large buttons for easy navigation even with up to three glove layers
  • Continuous data logging — six months for five sensors 24/7
  • Fully automated bump testing and calibration with AutoRAE 2
  • Device Management with Honeywell Sotera Express

Monitor with Accessories Includes:

  • MultiRAE Benzene monitor with sensors, battery, and protective rubber boot and filter(s) installed
  • Continuous datalogging (6 months for 5 sensors @ 1-minute)
  • Travel charger / PC communications adapter
  • PC communication cable
  • AC, Calibration, and Alkaline adapter
  • Toolkit with Hex tool and Phillips screwdriver
  • Quick Start Guides
  • CD with documentation
  • ProRAE Studio II Instrument Configuration & Data Management Software Calibration and test certificate
  • Warranty / registration card
  • 10 charcoal VOC filters for CO sensor
  • Built-in pump
  • Belt clip installed
  • 3 spare external filters
  • PID sensor cap removal tool
  • 1 Cartridge for Benzene specific measurement (6 measurements)
  • Remote Sample Draw Kit (P/N: 008-3015-200)
  • Regulator NOT included

Calibration Kit Adds:

  • 4-gas mix (34L; 50% LEL, 18% O2, 10 ppm H2S, 50 ppm CO) with regulator
  • 5 ppm Benzene gas (34L) with regulator

Note: If Calibration Kit is added, product ships via UPS Ground due to HazMat restrictions and isn't available for expedited shipping. Calibration gas is not returnable. Please check your selection carefully before ordering.

FAQs: How Often Do I Need To Calibrate My Gas Monitor?

Specification Sheet:




Part Numbers: 
MZB3-A4C112E-021 Unit with Accessories (no gas or regulator)
MZB3-A4C112E-022 Unit with Accessories / Confined Space and Calibration Kit (4-gas + Benzenze + regulators)

Additional Details:

40.00 LBS
10.00 (in)
8.00 (in)
13.50 (in)
Calculated at Checkout
Gas Type:
Benzene (C6H6)