Jenco pH, ORP, Temperature Portable Meter 6231N

Description pH/ mV/ Temp. microprocessor handheld meter in splash proof case with 3 point calibration, BNC, pH/ ORP connector with 8-pin DIN ATC connector. AC/ DC power. CE Approved 3 point calibration Power down memories Electrode offset recognition Electrode slope recognition Built in buffer temp. coefficients ATC CE approved Splash resistant/ watertight case Battery/ ac adaptor High 50/ 60hz noise rejection UL approved ac line adaptor Aconventional 9v battery Highly reliable mechanical touch keys with audio feedback Specifications Range Resolution Accuracy pH -2.00 to 16.00 pH 0.01 pH ± 0.01 pH ORP -1999 to 1999 mV 1 mV ± 0.05 % full scale Temp. -10.0 to 120.0 ° C 0.1 ° C ± 0.3 ° C General pH buffer recognition: Selectable ( 4.01, 7, 10.01) or ( 4.00, 6.86, 9.1 pH calibration: 1point, 2 points or 3 points pH temp. compensation: Auto/ manual -10.0 to 120.0 ° C pH buffer temp. range: 0 to 60 ° C pH electrode offset recognition: ± 90 mV at pH 7.00 or 6.86 pH electrode slope recognition: ± 30% at pH 4.00, 9.18 or10.01 Input impedance: Greater than 10exp( 12) ohms ATC probe: Thermister, 10 kilo ohms End sensing & hold: Yes Power backup: Memeory backup Audio feedback: All touch keys Display pH/ me/ temp: 12.5mm/ 7.5mm high LCD Ambient temp. range: 0 to 50.0° C Relative humidity: Up to 95% Power supply: battery/ adaptor: 6AAA batteries/ ac adaptor Battery life ( alkaline) : Greater than 400 hours Dimensions: 83mm x 241mm x71mm Weight: 350 grams ( including not batteries)