Meters are quickly mounted through a circular hole and secured with a nut (included).

The circular-faced, waterproof models are NEMA 4X/IP67 rated when used with the included metal bevel and rubber sealing ring, and offer screw terminal connections.
Decimal point placement may be selected through jumper links, and scaling and calibration may be adjusted by potentiometers.
Temperature model EM32-1900 uses the external NTC-PROBE-1900 thermistor probe, and one is included with the digital indicator.