HI 2211 Benchtop PH Meter

Range pH -2.00 to 16.00 pH mV ± 399.9 mV; ± 2000 mV Temperature -20 to 120.0° C Resolution pH 0.01 pH mV 0.1 mV; 1 mV Temperature 0.1 ° C Accuracy pH ± 0.01 pH mV ± 0.2 mV ( ± 399.9 mV) ; ± 1 mV ( ± 2000 mV) Temperature ± 0.4 ° C ( excluding probe error) pH Calibration automatic, 1 or 2 point with 5 memorized buffer values ( pH 4.01, 6.86, 7.01, 9.18, 10.01) Temperature Compensation automatic ( with HI 7662 probe) or manual from -9.9 to 120 ° C pH Electrode HI 1131B, glass-body, single junction, refillable, BNC connector, 1 m cable ( included) Temperature Probe HI 7662 with 1 m ( 3.3′ ) cable ( included) Input Impedance 1012 Ohm Power Supply 12 VDC adapter ( included) Environment 0 to 50° C ( 32 to 122° F) ; RH max 95% Dimensions 235 x 222 x 109 mm ( 9.2 x 8.7 x 4.3” ) Weight 1.3 kg ( 2.9 lbs.)