Model : 6231 Description pH/ mV/ Temp. .... 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 * ....
Description pH handheld meter with BNC, LCD .... Operation temperature: 0 to 40Â ° C * Input impedance: Greater than 10exp( 12) ohms * Display: 0.5 high LCD * Power source: A9 voltage battery * ....