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.
1839 Features
• Intuitive tank level monitoring
• Monitor up to 4 tanks
• Auto calibration for unique tank shapes
• Compatible with common sending units
1841 Features
• Versatile external temperature monitoring
• Monitor up to 4 temperature sensors
• Temperatures range from -40°C to 125°C (-40°F to 250°F)
• Measures in Fahrenheit or Celsius
• ABYC compliant for engine exhaust
• Waterproof temperature sensors included (4x 1821 included)
1842 Features
• Monitor up to 4 bilges
• Alarm/Relay Activation: Run Time/hr cycles/24 hr Average Cycles
• Senders: Float switch or pumps with bilge active outputs
Not compatible with “fully automatic bilge pumpsâ€
• Cycle counter
SPECIFICATIONS
Display Size 55mm x 28mm
Power Supply Voltage 7–70V DC*
Range (Power Consumption) 0.3W–1.0W
* Variable with voltage, display intensity, and sleep mode
Regulatory:
IP66 - Protected against powerful water jets