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Blue Sea M2 OLED Temperature Monitor

SKU# BS1841
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Blue Sea M2 OLED Temperature Monitor may require an additional to 2 days to ship.


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Item# 1841

The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming display.

The M2 Monitors include a MOSFET External Circuit Relay (ECR) which can be used to control external circuits based on any value measured by the M2.

  • Auto-dimming, bright Organic LED display is easy to read
  • 80dB alarm on all models
  • Isolated 500mA MOSFET relay
  • Includes external DC Shunt or AC Current Transformer when required
  • Versatile external temperature monitoring
  • Monitor up to 4 temperature sensors
  • Temperatures range from -40°C to 120°C (-40°F to 250°F)
  • Measures in Fahrenheit or Celsius
  • ABYC compliant for engine exhaust
  • Waterproof temperature sensors included


  • Meter:Temperature
  • Function:Monitors Temperature
  • Alarm/Relay Activation:High and Low Temperature
  • Display Size:55mm x 28mm
  • Input Voltage:7-70V DC
  • Range:0.3W-1.0W
  • Sensor Locations:up to 4
  • Temperature Range:-40°C – 120°C (-40°F – 250°F)
  • Temp Sensor:4 x PN 1821
  • Weight:4.00lb (1.81 kg)