Vessel system monitor BLUE SEA SYSTEMS VSM 422, DC voltage

Three intuitive display modes
Flexible case design offers three mounting options
Fully programmable legends and adjustable alarm functions can be customized to fit every boat
Included in retail packaging—head unit, surface mount bezel, surface mount gasket, DC Current Shunt 8255, AC Current Transformer 8256, Battery Temperature Sensor 1820, connectors, and mounting screws
Monitors DC systems—voltage, amperage, battery state of charge - amp hours remaining, time remaining, % charge, battery temperature (alarms for all values)
Monitors AC systems—voltage, amperage, watts, frequency (alarms for voltage, amperage, and frequency)
Monitors tank levels—fuel, water, waste, (alarms for high level waste, low level fuel, and water)
Monitors bilge—active, cycle count, and duration (alarms for cycles and duration)
Nominal Voltage:
230V AC @ 50Hz, Typical of Europe
120V AC @ 60Hz, North America
12V DC
24V DC
Operating Voltage:
0-300V AC
8.5-33.0V DC
Current Accuracy:
± 2.0% AC (RMS)
± 1.0% DC
Current Range:
0-150A AC
0-500A DC
Frequency:
40-90Hz
Minimum Current Draw:
35mA @ 12V, backlight off
18.8mA @ 24V, backlight off
Voltage Accuracy:
+/- 0.5%
Weight:
4.00lb (1.81 kg)