ID
1221875
$ 686.43
1-2 weeks delivery time
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The Blue Sea 1841 M2 OLED Temperature Monitor is a digital monitoring unit designed to track temperature across up to 4 sensor locations, with a range of -40°C to 120°C. It operates on 7–70V DC and features an auto-dimming OLED display (55 x 28 mm), integrated 80 dB alarm, and an isolated 500 mA MOSFET relay for external circuit control. Supplied with 4 sensors (2 submersible PN 1820 and 2 high-temp PN 1821), IP66 rated and ABYC compliant for engine exhaust monitoring.
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Blue Sea 1841 – M2 OLED Temperature Monitor, 7–70V DC, 4 Sensors, -40°C to 120°C
The Blue Sea 1841 M2 OLED Temperature Monitor is an advanced digital monitoring solution designed to measure and control temperature in marine electrical systems. Featuring a bright, auto-dimming Organic LED display, it ensures clear visibility in varying lighting conditions while maintaining low power consumption.
This unit supports monitoring of up to four temperature sensors simultaneously, making it suitable for engine compartments, exhaust systems, and other critical onboard locations. The integrated MOSFET External Circuit Relay (ECR) enables automatic control of external circuits based on measured temperature values.
Key Features
- Monitors temperature at up to 4 sensor locations
- Temperature range from -40°C to 120°C (-40°F to 250°F)
- Auto-dimming OLED display for optimal readability
- Integrated 80 dB audible alarm
- High and low temperature alarm and relay activation
- Isolated 500 mA MOSFET relay for external circuit control
- Selectable temperature units: Celsius or Fahrenheit
- ABYC compliant for engine exhaust applications
- Waterproof temperature sensors included
Technical Specifications
Model M2 OLED Temperature Monitor Product Number 1841 Function Temperature Monitoring Input Voltage 7–70V DC Display Size 55 mm x 28 mm Power Consumption 0.3W – 1.0W Number of Sensors Up to 4 Temperature Range -40°C to 120°C (-40°F to 250°F) Relay Isolated 500 mA MOSFET Alarm 80 dB audible alarm Protection Rating IP66 Weight 4.00 lb (1.81 kg)
Included Components
Qty Part Number Description 2 1820 Submersible Temperature Sensor 2 1821 High Temperature Sensor
Optional Accessories
- 1070 – Floyd Bell Turbo Series Alarm
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