murah, Hanna HI 99171 pH Meter for Leather and Paper

Hanna HI 99171 pH Meter for Leather and Paper Dedicated to leather and paper applications Flat-tipped glass probe Multi-level LCD Display On-screen tutorial messages for calibration and set-up Stability indicator Automatic Temperature Compensation Automatic one or two point calibration BEPS ( Battery Error Prevention System) alerts the user in the event that low battery power could adversely affect readings Battery % displayed on startup Compact, heavy-duty, and waterproof Easy to clean flat-tip sensor Direct pH measurement on paper and leather is fast and accurate with the HI 99171 pH meter. HI 99171 utilizes a flat tip probe designed to optimize surface contact with the sample. pH measurement of papers and cartons is important, not only in the production phase, but also in the packaging phase. The food industry, for example, perform pH compatibility tests. Spesifikasi - Hanna HI 99171 pH Meter for Leather and Paper Range pH -2.00 to 16.00 pH Range Temperature -5.0 to 105.0° C / 23.0 to 221.0° F Resolution pH 0.01 pH Resolution Temperature 0.1° C / 0.1° F Accuracy pH ± 0.02 pH Accuracy Temperature ± 0.5° C ( up to 60° C) , ± 1° C ( outside) ; ± 1.0° F ( up to 140° F) , ± 2° F ( outside) pH Calibration automatic, 1 or 2 point with 2 sets of memorized buffer values ( pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18) Temperature Compensation Automatic, -5 to 105° C ( 23 to 221° F) pH Electrode HI 1414D, amplified, flat tip, with internal temperature sensor ( included) Battery Type / Life 3 x 1.5V AA / approx. 1500 hours of continuous use: auto-off after 8 minutes of non-use Environment 0 to 50° C ( 32 to 122° F) ; RH max 100% Dimensions 150 x 80 x 36 mm ( 5.9 x 3.1 x 1.4" ) Weight 210 g ( 7.4 oz.)