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> Blue Sea 1838 M2 Digital AC Multimeter with OLED display
Blue Sea Systems 1838 MD Digital Multimeter with OLED display
Blue Sea 1838 M2 Digital AC Multimeter with OLED display
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The M2 OLED Digital Monitors measure essential electrical system parameters with adjustable alarms and an auto-dimming display in a compact enclosure. The gasket creates a waterproof seal on the unit face. Monitors AC Amps, Volts, Hzs on large, bright display. Supports programmable current transformer ratios. Accurately measure and monitor AC amperage, voltage and Hz. (measures 2 voltages and 2 circuits)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. The M2 External Circuit Relay is separate from and independent of the Internal Alarm function.
Meter displays current, frequency, power and voltage
Displays amperage up to 300 Amps
Displays voltage from 50 to 250 Volts
High/Low Current alarm, High/Low Frequency alarm, High/Low Voltage alarm
Auto-dimming, bright OLED display is easy to read
Display Size 55mm x 28mm
Dual channel input - monitors two circuits
92dB alarm, Isolated MOSFET relay
Requires a DC power source of 7 - 70 Volts
Max power consumption 1 Watt, minimum 0.3 Watts
5 Year manufacturers warranty
Can be mounted in a 360 Series panel (not included)
Detailed specification, drawings, and description.
Note that a current transformer is needed to read amps. The meter comes with a single 150 amp current transformer. The meter has two channels and can accept a second current transformer which needs to be purchased separately.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to
The meter firmware can be updated in one of two ways. The first option is to use the Software Upgrade option in the Setup menu. The second option is to force the meter into upgrade mode on startup. Each method involves using a USB memory stick connected to the USB port on the back of the meter. The USB port is a type A/B micro USB port. This port is also known as a Micro USB Host OTG
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