mPower Electronics

mPower MUNI MP420 LEL/O2-LF/SO2/H2S Gas Detector MP42-20222-100

Ships in 3 - 5 days
2 Year Warranty
mPower Electronics
mPower MUNI MP420 LEL/O2-LF/SO2/H2S Gas Detector MP42-20222-100
2 Year Warranty


The mPower Electronics MUNI MP420 is a Compact and lightweight Diffusion 4-gas detector for worker safety at hazardous locations, with four standard sensors for oxygen Lead Free (O2-LF), combustibles (pellistor LEL), sulfur dioxide (SO2) and hydrogen sulfide (H2S). The detector is packaged in a robust housing with no moving parts. Its battery power offers 24 hrs for a standard 4-gas detector. The simple, 2-button operation results in ultimate ease of use and significantly reduced time spent training the user. To save user cost, sensors are not interchangeable and must be specified at time of purchase.

Applications: Industrial hygiene, Oil and gas, Fire ground “Toxic Twins” detection, Environmental, Chemical, Pharmaceutical, Telecommunications

Key Features:

  • Compact, robust, lightweight & wearable
  • Auto backlit LCD with large numeric digits
  • Easy-to-navigate menu with two buttons
  • Battery operation 24 hours with pellistor LEL sensor
  • Tri-color status indicators on regular self-diagnosis of sensor, battery and circuit
  • Wide angle LED alarms
  • 1000 Events log
  • Combination charge adapter / micro-USB PC interface cable
  • IP-68 weather ingress rating
  • Optional BLE wireless connectivity
  • Optional MuniDock for convenient bump & calibration
  • Up to 4 factory-configured sensors (LEL/O2-LF/SO2/H2S) selected from 8 sensor options (please call Customer Service at 800-829-9580 for other options)
  • Sensors replaceable but not interchangeable (to save user cost).
  • Warranty: 2 Years including sensors

Unit Includes:

  • MP420 detector including rechargeable Li+ battery, LEL/O2-LF/SO2/H2S sensors and alligator clip
  • AC Charging adapter
  • Calibration cap
  • USB Communication cable
  • Quick start guide
  • Calibration certificate
Detection target gas Combustible gas (Pellistor LEL) Oxygen Lead-Free (O2-LF) Hydrogen sulfide (H2S) Sulfur dioxide (SO2)
Detection range 0 - 100 % LEL 0 - 30.0 vol % 0 - 100 ppm 0 - 20 ppm
Resolution 1 % LEL 0.1 vol % 0.1 ppm 0.1 ppm
Response time (T90) Within 15 seconds Within 15 seconds Within 15 seconds Within 30 seconds

CAUTION: Sensors are replaceable if worn out, but NOT interchangeable. Units must be ordered in the desired sensor configuration, which cannot be changed by the user.

Specification Sheet:

 Specification Sheet

Quick Reference Guide:

 Quick Reference Guid



Part Number:

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Additional Information

Country of Origin:
0.50 LBS
4.33 (in)
2.36 (in)
1.10 (in)
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