D711 портативный рН-метр

handheldph meter, portable pH meter, pH tester, digital ph meter portable ph meter D711 pH / mV Meter: Measuring parameter: pH/mV Accuracy: pH: ±0.01pH Range: (-2.00 19.00)pH Automatic Calibration : (1 3) point ATC : (0 100) oC Meter Kits: D711 meter; pH/ATC combination electrode, 201T-S; pH calibration solution4.00,7.00,10.01pH/50ml Carrying case Features of Meter: Data storage: 200 groups Automaticalpower-off: 0 to 20 minutes, set up by user Display: (42*33) mm LCD with blue light background Power: 2pcs of AA batteries (1.5V*2), life of battery > 100 hours IP rating: IP57 dustproof and waterproof Dimensionand weight: (65*120*31) mm / 180g Carrying case: (255*210*50) mm / 790g Features: 1. Built-in microprocessor chip, with the intelligent functions of automatic calibration, automatic temperature compensation, data storage, function setting and automatic self-diagnose, auto power off and low voltage display etc. 2. Adopts digital filter and step slipping technology to improve meter’s response speed and result accuracy. 3. Automatically recognize 13 kinds of pH standard buffer solution. User can choose anyone from three series of buffer solutions: Europe & U.S.A. series, NIST series, China series. 4. pH measuring mode for purity water and purity water with ammoniacan be set up, especially suited for use in electric power plantand petrochemical industry, etc. 5. Meter’s circuit board adopts SMT film-covering technology to improve meter’s production reliability. 6. Meter has the back light LCD display monitor. 7.Meet Dustproof and waterproof IP57 rating.