• Four-in-one tester: simultaneously measures TDS, pH, EC, and temperature • IP55 waterproof rating, suitable for outdoor use • Dual-point calibration feature simplifies the calibration process • Applicable in aquariums, aquaculture, swimming pools, and more • Large display for easy data reading • Automatic shutdown feature to save battery • Lightweight and portable design
 
Product Introduction
The pH-875 has a two-point calibration function. During calibration, you only need to immerse the sensing electrode in the corresponding standard solution and press CAL (calibration key) and the instrument will automatically calibrate the value. Used in aquariums, aquaculture, soilless culture, swimming pools and hot springs, school laboratories, chemical industry, food or beverage manufacturing, textile printing and dyeing, paper or pulp bleaching, printing, cooling towers, boilers, cleaning or sewage treatment, etc.
Measurement Specification
pH : 0.00 to 14.00 pH ±(0.02)
EC : 0 to 1999μs/cm , 0 to 19.99 mS/cm ±(2%F.S)
TDS : 0 to 1999ppm 、 0 to 19.99 ppt ±(2%F.S)
Temperature : 0.0 to 50.0 °C ±(0.5°C)
pH Resolution : 0.01 pH
EC Resolution : 1μs/cm（<1999 μs/cm）, 10us/cm（>1999 us/cm）, 0.01mS/cm
TDS Resolution : 1ppm(<1999ppm) , 10ppm(>1999ppm) , 0.01ppt
Temperature Resolution : 0.1 °C
Product Features
Dual Value Display :
Backlight Display :
Unit : °C / °F
Temperature Compensation (ATC) : 0~50°C
Automatic Calibration : 6.86 / 4.01
DATA HOLD (HOLD) :
Ingress Protection (IP) : IP55
Auto Shut off (APO) : Approx. 8 mins
Electrode Replacable :
Product Information
Working Environment : 0 to 50°C / lower than 80%RH without dew。
Storage Environment : -10 to 50°C / lower than 80%RH without dew。
Elevation Limitation : Lower than 1,000 meters
Power Supply : 1.5V button cell battery x 3
Dimension : 188 × 35 × 35 mm
Weight : Approx. 98 g (without battery)
Accessory : Battery x3, pH7 and pH4 standard solution, small pliers, manual
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