The 2176A Digital Thermometer is the same basic bench-type instrument as the 2175A but with the additional capability of monitoring up to 10 thermocouples (of the same type). Thermocouple channel selection is by means of a 10-position front panel rotary switch. Power is either line voltage or external 12 VDC (with Y2004 Battery Pack). Resolution is 0.1°F or 0.1°C.