{"product_id":"ph-analog-controller-with-self-diagnostic-test-hi8710","title":"pH Analog Controller with Self-Diagnostic Test – HI8710","description":"\u003ch5\u003eFail Safe Alarm System\u003c\/h5\u003e\n\u003cp\u003eHanna’s exclusive Fail Safe Alarm System protects against problems caused by power supply failure or signal interruption. An alarm condition is indicated by a red LED, located directly on the front panel of the controller.\u003c\/p\u003e\n\u003ch5\u003eOvertime Dosage\u003c\/h5\u003e\n\u003cp\u003e“Overtime dosage” function with selection knob and jumper for disable on the rear panel. If the dosing relay remains continuously activated for more than selected dosing time the alarm relay is activated, the alarm LED is blinking and the dosing relay is deactivated.\u003c\/p\u003e\n\u003ch5\u003eORP Dosing Consent Device\u003c\/h5\u003e\n\u003cp\u003eWhen used in conjunction with the HI8720 ORP controller, the ORP Dosing Consent Device function will ensure that the ORP dosage will start only when the pH level is correct.\u003c\/p\u003e\n\u003ch5\u003eAutomatic Temperature Compensation\u003c\/h5\u003e\n\u003cp\u003eA 2-wire Pt100 can be connected to provide automatic temperature compensation of the pH measurements.\u003c\/p\u003e\n\u003ch5\u003eMatching Pin Connection\u003c\/h5\u003e\n\u003cp\u003eSupports potential matching pin connection to avoid typical problems caused by grounding loop current, such as progressive damage of the electrode, fluctuating measurements, and poor process regulation.\u003c\/p\u003e\n\u003ch5\u003eRobust Design\u003c\/h5\u003e\n\u003cp\u003eA removable, transparent splash-proof cover protects the front panel.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eHI8710\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eName\u003c\/td\u003e\n\u003ctd\u003epH Analog Controller with Self-Diagnostic Test – HI8710\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Range\u003c\/td\u003e\n\u003ctd\u003e0.00 to 14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Resolution\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.02 pH (0 to 100 °C)\/ ±0.05 pH (-20 to 0 °C) (electrode); ±0.5% (transmitter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Calibration\u003c\/td\u003e\n\u003ctd\u003eOffset: ±2 pH with OFFSET trimmer; Slope: 80 to 110% with SLOPE trimmer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Temperature Compensation\u003c\/td\u003e\n\u003ctd\u003eFixed or automatic with Pt100 from -20 to 100 °C (-4 to 212 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm Relay Set Point\u003c\/td\u003e\n\u003ctd\u003e1, isolated, 2 A, Max 240 V, resistive load, 1000000 strokes (not fuse protected)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm Relay Range\u003c\/td\u003e\n\u003ctd\u003e0.2 to 3.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Input Signal\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Ouput Signal\u003c\/td\u003e\n\u003ctd\u003e0-20 mA or 4-20 mA (isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBacklight\u003c\/td\u003e\n\u003ctd\u003eContinuous ON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Output\u003c\/td\u003e\n\u003ctd\u003e±5 Vcc; 150 mA max load for amplified electrodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eBlack anodized aluminium body; front and back with ABS; transparent splash-proof front cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironment\u003c\/td\u003e\n\u003ctd\u003e-10 to 50°C (14 to 122°F); RH max 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e141 x 69 mm (5.6 x 2.7'')\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1 kg (2.2 lb.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eManuals\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/manuals.hannainst.com\/HI8710\" target=\"_blank\" rel=\"noopener\"\u003epH Analog Controller with Self-Diagnostic Test – HI8710\u003c\/a\u003e\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":67871418810737,"sku":"HI8710","price":93295.8,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/9535\/5761\/files\/hi8710_2100x2100_300_cmyk.jpg?v=1792646593","url":"https:\/\/hannainst.in\/products\/ph-analog-controller-with-self-diagnostic-test-hi8710","provider":"hanna","version":"1.0","type":"link"}