Benchtop pH meters are essential laboratory instruments for precise measurement of acidity and alkalinity in water, solutions, and chemical samples. They are widely used in environmental monitoring, food and beverage quality control, pharmaceutical production, education, and industrial research. A benchtop pH meter provides stable and highly accurate results, making it ideal for routine analysis and advanced experiments. Equipped with digital calibration, clear displays, and durable electrodes, these devices ensure reliability and repeatability in laboratory conditions. COLO.Science offers a wide range of benchtop pH meters that meet international standards and support professional laboratory work.
Benchtop pH Meters
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Benchtop pH Meters
VIKING-PH600 Benchtop pH Meter pH/Temp. (mV/ORP)
Viking PH600 is a benchtop pH meter with ±0.001 pH accuracy (0.000–14.000 range), automatic temperature compensation, ORP/mV measurement and fast stabilization in under 15 s. Its IP67-rated housing and 500-reading data log with USB/RS-232 export make it ideal for laboratories demanding reliable results and seamless data handling.
SKU: PRO6086 -
Benchtop pH Meters
VIKING-PH200 Benchtop pH Meter pH/Temp. (mV)
Reliable-Durable
ATC
Auto-Read, Continuous-read
Reading Prompts
50 groups data sets
pH Range -2.00 ~ 18.00 pH ,
Accuracy ±0.01 pH
mV Range -1999 ~ 1999 mV ,
Accuracy ±0.1%FS
Temp. Range -5 ~ 110 ºC, 23 ~ 230 ºF ,
Accuracy ±0.2Calibration Points（1~3）
NIST Standard RecognitionSKU: PRO6042 -
Benchtop pH Meters
VIKING-PH300 Benchtop pH Meter pH/Temp. (mV)
Calibration Points（1~5）
NIST, GB , DIN Standard
Recognition
Standard CustomizationpH Range -2.00 ~ 20.00pH ,
Accuracy ±0.01 pH mV Range -2000.0 ~ 2000.0 mV ,
Accuracy ±0.3 mV or ±0.1%
Temp. Range -5~110 ºC, 23~ 230 ºF ,
Accuracy ±0.2SKU: PRO6084 -
Benchtop pH Meters
VIKING-PH400 Benchtop pH Meter pH/Temp. (mV)
Calibration Points（1~5）
NIST, GB, DIN, USA , MERK Standard Recognition
Standard CustomizationpH Range -2.000 ~ 20.000 pH ,
Accuracy ±0.002 pH
mV Range -2000.00 ~ 2000.00 mV ,
Accuracy ±0.1 mV or ±0.03%
Temp. Range -10 ~ 135 ºC, 14 ~ 275 ºF ,
Accuracy ±0.1SKU: PRO6085 -
Benchtop pH Meters
VIKING-PH500 Benchtop pH Meter pH/Temp. (mV/ORP)
Calibration Points（1~6）
NIST, GB, DIN, USA, MERK, JIS
Standard Recognition
Standard Customization
Calibration Reminder
Slope Limit
EH ORP Mode, 1 Custom PointProfessional-Smart
Touchscreen
GMP Mode
1000 groups data sets
Print, PC, Scan gunSKU: PRO5980
