Blue Sea Systems M2 DC Ammeter - 1832Blue Sea Systems M2 DC Ammeter 1832 Monitors DC Amperage with large, bright display. Accurately measure and monitor the amperage of your DC system (measures 2 circuits). Supports programmable shunt ratios. Auto dimming, bright OLED display is easy to read Easy to adjust 80dB alarm on all models Isolated MOSFET relay
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