Maretron Temperature Module Surface Preparation 5W Standby Protection Rating IP65 FITTING 22 8M0074321 Mercruiser 5W Standby Protection Rating IP65 Width 105mm Height 60mm Depth 190mm Operating Temperature 30°C to +50°C Charger Short Circuit Protection Yes Certification Approvals EN 60335 1 The SIM100 continually monitors these switch closure devices and broadcasts information over the NMEA 2000® network about the switch state so the crew can be alerted to potential conditions or problems that warrant further investigation Maretron's TMP100 measures the temperature for up to 6 temperature probes and reports the information over an NMEA 2000 network The TMP100 supports up to 4 thermistor probes and 2 high temperature thermocouple probes