Product Name: Portable pH Meter Water Quality Analyzer P611 Waterproof Model NO.: P611 Certification: ISO9001, CE Appliance: Water Analysis, Environmental Protection Portable: Portable Display: LCD Measuring Range: (-2.00~19.99)pH Resolution: 0.1/0.01pH Trademark: Yoke Instrument Transport Package: Carton Specification: Portable Origin: China HS Code: 9030899090 Product Description P611 PH MeterFeatures:1. Large LCD screen with controllable white backlight2. Built-in microprocessor chip has intelligent functions such as automatic calibration, ATC, data storage, function setting, auto-diagnosis, auto power off, and undervoltage prompt, etc.3. Automatic recognition of 13 buffers with 3 kinds of options: Europe & USA, NIST and China.4. Can set up pH measurement modes of high purity water and ammonia added pure water5. Grade IP57 and equipped with suitcase for outdoor purpose.Specifications:PHMeasuringrange(-2.00~19.99)pHResolution0.1/0.01pHAccuracyMeter:±0.01pH;Overall:±0.02pHInputimpendance≥1×1012ΩStability±0.01pH/3hTemp.compensationrange(0~100)ºC(Auto/manual)mVMeasuringrange(mV/ORP/EH)-1999mV~0~1999mVResolution1mVAccuracy±0.1%FSOtherTechnicalParametersDatastorage200setsPowerTwoAAbatteries(1.5Vx2)Shippingsize/G.W.(380×100×300)mm/1KgWorkingConditionAmbienttemperature5~35ºC(0.01grade)Ambienthumidity≤85%IPgradeIP57DustproofandwaterproofMeterKits1)pHmeter2)pHcompositeelectrode3)Temperatureelectrode4)pHbuffersolution5)SuitcaseLCD Display: