Differential pressure Range 0 … 2,5 hPa Precision ±0,5 Pa (0 … 20 Pa) ±(0,5 Pa ±0,5 % v. Mw.) (20,1 … 250 Pa) Resolution 0,01 Pa Ambient pressure 1000 hPa Overload 50 hPa Zero to 0,5 hPa Type K thermocouple Range -200 … +1370 °C Precision ±0,4 °C (-100 … +200 °C) ±1 °C (overig meetbereik) Resolution 0,1 °C General Casing ABS Warranty 2 jaar Measuring interval 0,04 Connection Hose: inner Ø 4 mm outer Ø 6 mm Miscellanious Mains connection and battery recharging in instrument; Automatic recognition of all connected probes; 9 measurement units selectable: mbar, hPa, bar, Pa, kPa, inH?O, mmH?O, torr, psi battery type 9 V (6LR61) Lifespan battery Continuous operation w/ internal pressure sensor: 30 h; With rech. battery: 10 h; With carbon battery: 18 h Dimensions 219 x 68 x 50 mm display type LCD display functions 7 segment display and point matrix display update 2x per second, in fast measurement 4x per second data transfer RS 232 Operating temperature 0 … +50 °C Storage 25.000 values Storage temperature -20 … +70 °C Weight 300 g