OVERVIEW The HP31 measures and controls lighting levels by opening/closing shutters.FEATURES AND BENEFITS Monitors the light intensity from a single remote sensor The large display makes for easy reading The single relay output can open/close shutters Indicator lights show the output status of the unit Not supplied with a sensor as various options are available depending on the application Available as panel mount or wall mount versions DETAILS Voltage: AC 24V or 230V / DC 12V or 24V Contact Rating: 4 Amps– AC1 IP Rating: IP54 Operating Temperature: -10 °< > +55 °C Measuring Range: -50.0 °C < > +115.0 °C Dimensions and Weight: Panel Mount: 96mm x 96mm x 58mm (370g) Wall Mount: 98mm x 125mm x 75mm (660g) DOWNLOADS Download the full specification manual PDF here