The SP400-BLUE is a 3.5-digit LED Voltmeter features a 200mVDC measurement range with auto-zero and auto-polarity. Decimal points are user selectable. The SP 400-BLUE features a negative rail generator which enables the meter to measure a signal referenced to its own power supply GND. Blue LED backlighting ensures excellent readability under low light conditions. The module is easily fitted into the panel, using the fixing clip provided.
