Portable Mercury Vapor Monitor - Jerome® J405

The Jerome J405 portable mercury vapor analyzer redefines the portable mercury vapor analyzer market. Considerable performance improvements and modern communications capabilities have been combined to create a new option for mercury spill detection and clean-up analysis.

The J405 makes use of the industry-proven, inherently stable and reliable gold film sensor technology and simple, one-button operation. The handle is ergonomically-designed, has a light exterior case and considerably lower detection capabilities (0.5μg/m3) rendering it a convenient, portable, low-level mercury detection instrument.

Key Features

The key features of the Jerome J405 are:

  • Meets EPA & ATSDR action levels
  • Battery powered sensor regeneration
  • USB data output (communications option)
  • SCADA interface capabilities via 4-20ma
  • 24 hour battery life
  • On-board data logging (20,000 data points) (communications option)
  • Auto time/date stamp
  • Functional Test Kit (FTK) verifies instrument functions correctly between recommended annual factory calibrations


The applications of the Jerome J405 include:

  • Ambient air analysis
  • Clean-up compliance, detection compliance
  • Disposal and recycling, first responders (hazmat) fluorescent lamps
  • Gold mining, hazardous waste sites, leak detection
  • Mercury exclusion testing, monitoring (exhaust duct, landfill, light bulbs, mercury switches, equipment)
  • Plant environment, quality control, regulatory compliance
  • Scrubber efficiency testing, source surveys, worker safety

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