{"product_id":"sper-scientific-ph-conductivity-dual-channel-online-analyzer","title":"Online Dual-Channel pH\/Conductivity Analyzer","description":"\u003ch1\u003eSper Scientific Online pH\/Conductivity Analyzer monitors one analog pH or ORP sensor and one analog conductivity sensor simultaneously.\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eIt combines two measurement channels in a compact panel-mounted instrument for continuous water quality monitoring in industrial processes, water treatment and wastewater applications.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe pH\/ORP channel supports acidity or oxidation-reduction potential measurement, while the conductivity channel provides conductivity, TDS, salinity or resistivity readings. Temperature measurement and compensation support consistent process evaluation when used with compatible probes. Actual measurement range, process temperature limits and overall system performance depend on the sensors selected.\u003c\/p\u003e\n\u003cp\u003eA 3.1-inch backlit LCD displays process readings, while the front-panel buttons provide access to measurement and output settings. Two configurable 4–20 mA outputs and RS485 Modbus RTU communication support integration with PLCs and plant monitoring systems. Three relay outputs provide alarm and supported control functions.\u003c\/p\u003e\n\u003cp\u003eHistorical data records and trend curves help review process changes. Recording intervals can be set from 1–999 minutes, and stored data can be exported to a computer over USB. The ABS enclosure has an IP65 protection rating, with standard 100–240 VAC power and an optional 24 VDC configuration.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSimultaneous pH\/ORP and conductivity monitoring with compatible analog sensors\u003c\/li\u003e\n\u003cli\u003eConductivity-channel functions include EC, TDS, salinity and resistivity\u003c\/li\u003e\n\u003cli\u003eTemperature compensation with multiple supported temperature sensor types\u003c\/li\u003e\n\u003cli\u003e3.1-inch backlit LCD and front-panel controls\u003c\/li\u003e\n\u003cli\u003eTwo configurable 4–20 mA outputs\u003c\/li\u003e\n\u003cli\u003eRS485 Modbus RTU communication for PLC integration\u003c\/li\u003e\n\u003cli\u003eThree relay outputs for alarm and supported control functions\u003c\/li\u003e\n\u003cli\u003eHistorical data logging and trend curve display\u003c\/li\u003e\n\u003cli\u003eAdjustable data recording intervals from 1–999 minutes\u003c\/li\u003e\n\u003cli\u003eUSB export of stored records\u003c\/li\u003e\n\u003cli\u003eIP65-rated ABS enclosure\u003c\/li\u003e\n\u003cli\u003eStandard AC power with an optional 24 VDC version\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e870002D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eMeasurement channels\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003eOne analog pH\/ORP sensor and one analog conductivity sensor, operating simultaneously\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003epH range\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e−2.00 to 16.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eORP range\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e−2,000 to +2,000 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eConductivity range\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e0–2,000,000 µS\/cm (0–2,000 mS\/cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eTDS range\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e0–130,000 mg\/L (ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eResistivity range\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e0–20 MΩ·cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eSalinity\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003eSupported; usable range depends on sensor and configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eChannel 1 temperature range\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e−30.0 to 130.0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eChannel 2 temperature range\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e−40.0 to 200.0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003epH: ±0.01 pH; ORP: ±1 mV; conductivity: ±2%; temperature: ±0.5°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eTemperature compensation inputs\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003eNTC30k, NTC22k, NTC10k, Pt1000 and NTC2.252k\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e3.1-inch backlit digital LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eAnalog outputs\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003eTwo configurable 4–20 mA outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eDigital interface\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003eRS485, Modbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eRelays\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003eThree; contacts rated 5 A at 250 VAC or 5 A at 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eData logging\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003eHistorical records and curves; adjustable recording interval 1–999 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eData export\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003eUSB connection to computer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eStandard power\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e100–240 VAC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eOptional power\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003ePower consumption\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e4 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eHousing \/ protection\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003eABS plastic \/ IP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eDimensions \/ weight\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e144 × 144 × 104 mm \/ 0.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eOperating environment\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e−20 to 50°C; ≤95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eStorage environment\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e−40 to 70°C; ≤95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eAltitude \/ overvoltage category \/ pollution degree\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003e≤2,000 m \/ II \/ 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eLanguages\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003eEnglish, Simplified Chinese, Traditional Chinese and Russian\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left;\"\u003eCountry of origin\u003c\/td\u003e\n\u003ctd style=\"text-align: left;\"\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eListed measurement limits are controller capabilities. Select compatible electrodes with ranges, temperature ratings and process connections appropriate for the application.\u003c\/p\u003e\n\u003ch4\u003eDownloads\u003c\/h4\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cstrong\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/800002-i.pdf?v=1598908085\" target=\"_blank\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/pdf-icon-63x63_480x480.png?v=1598991821\" style=\"float: left;\" alt=\"PDF\"\u003e \u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/800002-i.pdf?v=1598908085\" target=\"_blank\"\u003e\u003cbr\u003eSper Scientific 870002D Instruction Manual\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eFAQs\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eCan the DCA130 measure pH and conductivity at the same time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. It supports one pH\/ORP sensor and one conductivity sensor simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it measure pH and ORP simultaneously?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe first channel uses a pH or ORP sensor. The second channel is intended for conductivity measurements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat measurements are available on the conductivity channel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eConductivity, TDS, salinity and resistivity functions are supported. Available ranges depend on the electrode and configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it connect to a PLC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The analyzer provides RS485 Modbus RTU and two configurable 4–20 mA outputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan historical readings be exported?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Stored data can be exported to a computer over USB. Logging pauses while the USB connection is active and resumes after disconnection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre sensors included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSensor inclusion has not been specified. Select the required pH\/ORP and conductivity probes for your installation and confirm the package before ordering.\u003c\/p\u003e","brand":"Sper Scientific","offers":[{"title":"Default Title","offer_id":68104970076384,"sku":"870002D","price":947.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/online-dual-channel-phconductivity-analyzer-870002d-1476214.jpg?v=1793360781","url":"https:\/\/sper-direct.myshopify.com\/products\/sper-scientific-ph-conductivity-dual-channel-online-analyzer","provider":"Sper Scientific Direct","version":"1.0","type":"link"}