Testo 0572 1191 plastic Ethernet probe with NTC external probe connection. The existing LAN infrastructure can be used through the Ethernet probe. This allows the data transfer from the probe to the base, even over long distances. Ethernet probes have a display. Measuring range: -50 to 150 degree C. Accuracy (instrument): +/- 0.2 degree C (-25 to 70 degree C), +/-0.4 degree C (remaining measuring range). Resolution (instrument): 0.1 degree C. Connection: 1 NTC via mini-DIN socket; Mini-DIN service interface for adjustment is accessible externally. Supply: 6.3 V DC mains unit; alternatively via 24 V AC/DC plug-in/screw terminals, PoE. Buffer battery: Li-ion. P54 Protection class. Measuring cycle: 2 sec to 24 h; 6.000 readings per channel. Operating temperature: -20 to 60 degree C. Storage temperature: -40 to 60 degree C. Power consumption: PoE Class 0 (typically less than or equal to 3 W). Display: LCD; 7 segments with symbols. Includes wall holder. Measures 85mm length by 38mm width by 100mm height.