RS485 Interface Water pH Tester Online pH Meter with Temperature Compensation

 Features1. Small and compact lightweight design2. 3.2-inch large LCD screen3. Support 5-point calibration4. 2*SPST multi-function and settable relays5. 0/4~20mA active current loop output6. RS485 interface, Modbus RTU communication protocol7. Temperature detection and compensation function8. Shortcut button helps you perform daily maintenance quickly9. IP66 waterproof level, sealed enclosure can isolate pollution and corrosive gas10. Panel installation, easy to install  SpecificationModelAPX1-G2ASensor inputpHGlass pH sensor(Compatible with grounded PH sensor)ORPORP sensor (Platinum/Gold sensor)TEMPPT1000 NTC10K(B)Measurement rangepH0~14pHORP±2000mVTEMP-10~150ºC /14~302ºFResolutionpH  ORP TEMP0.01pH  1mV  0.1ºC/ 0.1ºFMeter performanceAccuracy0.1% of the measuring range or PH: ±0.02pH /ORP: ±2mVRelay outputTwo SPST relays with a maximum load of 3A/250VACAnalog outputTwo 0/4~20mA current output with a maximum load of 1000ΩCommunicationA two-wire RS485 interfaceProtocolMODBUS RTU, support JSON text data formatDisplay screen3.2 inch LCD screenProtection gradeIP66Operating temperature0~60ºCOperating humidityLess than 95% RH, non-condensingStorage temperature-20~70ºC, less than 55% RH, non-condensingConfigurationPower failure protection, indefinite retention of parametersEnclosure materialEnhanced ABSMeter dimension100*100*120 mmMounting methodPanel mounting (Installation hole size 92*92mm)Electrical interfaceThree M12*1.5 gland are reserved at the back of the instrument; the wire diameter is 3~6.5mmPower source100~240VAC or 18~36VDCPower consumptionAbout 3W        /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1