Description
Blue Sea M2 AC Multimeter | Boat Supply Store
Accurately diagnose and monitor your vessel's AC electrical systems with the Blue Sea 1838 M2 AC Multimeter, designed for robust marine environments. This unit precisely measures AC Amps up to 300A (with CT), Volts from 50-250V, and Hzs, featuring a crisp 55mm x 28mm auto-dimming OLED display for optimal readability in varying light conditions. Its capability to measure two voltages and two circuits simultaneously makes it an indispensable tool for complex systems on larger yachts or commercial vessels operating in coastal Texas waters.
Key Features
- Monitor AC Amps, Volts, and Hzs for comprehensive system oversight.
- View readings on a large, bright OLED display with automatic dimming.
- Program custom current transformer ratios for precise amperage readings.
- Measure two distinct AC voltages and monitor two separate circuits.
- Receive audible alerts via a 92dB alarm for high/low current, frequency, and voltage parameters.
- Integrate seamlessly with isolated MOSFET relay systems.
- Ensure accurate measurements with dual circuit monitoring.
- Benefit from a compact and marine-grade construction.
Specifications
| Product Specifications | |
|---|---|
| Monitors | AC Amps (up to 300A), Volts (50-250V), and Hzs |
| Display Type | 55mm x 28mm auto-dimming OLED |
| Programmable CT Ratios | Yes |
| Alarms | High/Low Current, High/Low Frequency, High/Low Voltage (92dB) |
| Circuits Measured | 2 voltages and 2 circuits |
| Input Voltage | 7-70V DC |
| Maximum Power Consumption | 1.00 Watt |
Who This Is For
Marine electricians and boat owners requiring precise diagnostic tools for AC electrical systems will find this multimeter invaluable. Maintenance professionals can utilize its comprehensive monitoring and alarm capabilities to proactively manage vessel power.
How It Compares
| Feature | Blue Sea M2 AC Multimeter | Competitor |
|---|---|---|
| AC Voltage Measurement | 50-250V | N/A (DC only), 600V |
| AC Amperage Measurement | Up to 300A (with CT) | N/A (DC only), 200A |
| AC Frequency Measurement | Yes | N/A (DC only), Up to 100 kHz |
| Display Type | OLED (auto-dimming) | OLED, LCD |
| Programmable CT Ratios | Yes | No, No |
| Integrated Alarms | Yes (High/Low Current, Frequency, Voltage) | Yes (for battery parameters), No |
| Dual Circuit Measurement | Yes (2 voltages, 2 circuits) | No, No |
Common Concerns Answered
Does the Blue Sea 1838 M2 AC Multimeter include a current transformer (CT)?
No, the Blue Sea 1838 M2 AC Multimeter requires a separate current transformer (CT) for amperage measurement. This allows for flexibility in choosing the appropriate CT for your specific amperage range.
What are common user complaints about this product?
Some users have noted that the need for a separate current transformer (CT) may not be immediately apparent, and installation can be complex for individuals not familiar with AC electrical systems. Blue Sea Systems provides comprehensive documentation and recommends professional installation for optimal setup.
Is the display easy to read in bright sunlight?
Yes, the M2 AC Multimeter features a bright OLED display with auto-dimming capabilities, designed to provide excellent readability under various ambient light conditions encountered on a boat.
Frequently Asked Questions
What AC parameters can the Blue Sea 1838 M2 AC Multimeter measure?
The Blue Sea 1838 M2 AC Multimeter measures AC Amps (up to 300A with an appropriate CT), AC Volts (50-250V), and AC Hertzs (Hzs).
What is the voltage and amperage range of the Blue Sea 1838 M2 AC Multimeter?
The multimeter measures AC voltage in the range of 50-250V. For amperage, it can measure up to 300A when used with a compatible current transformer (CT).
Does the Blue Sea 1838 M2 AC Multimeter have alarm capabilities?
Yes, the Blue Sea 1838 M2 AC Multimeter features a 92dB alarm that can be programmed for high/low conditions for current, frequency, and voltage.
What type of display does the Blue Sea 1838 M2 AC Multimeter use?
It utilizes a 55mm x 28mm auto-dimming OLED display, which offers high contrast and automatic brightness adjustment for optimal visibility.
Can the current transformer ratios be programmed on the Blue Sea 1838 M2 AC Multimeter?
Yes, the Blue Sea 1838 M2 AC Multimeter features programmable current transformer (CT) ratios, allowing for accurate amperage readings with a wide variety of CTs.
