pH meters are fundamental laboratory instruments used to measure the acidity or alkalinity of water, solutions, and chemical samples. They are essential in environmental monitoring, food and beverage testing, pharmaceutical production, education, and industrial applications. This category includes benchtop pH meters for precise laboratory analysis and portable pH meters for fast on-site measurements. Modern pH meters feature digital calibration, clear displays, and durable electrodes, ensuring accurate and repeatable results. COLO.Science offers a wide range of pH meters that meet international standards, providing reliable performance for both research and routine testing.
pH Meters Categories
pH Meters
Showing all 16 results
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Portable pH meter
VIKING-PH110 Portable pH (mV) Meter MTC
pH composite electrode
NIST pH standard solution(4.01,7.00, 10.01) ， 50ml/vial
Electrode holder
Silicone rubber case
WristbandspH Range -0.00 ~ 14.00 ,
Accuracy ±0.03 pH
mV Range -1400 ~ 1400 mV ,
Accuracy ±0.2%FCalibration Points（1~2）
NIST Standard RecognitionPacking Include:
pH composite electrode
NIST pH standard solution(4.01,7.00, 10.01) 50ml/vial
Electrode holder
Silicone rubber case
WristbandsSKU: PRO4221 -
Portable pH meter
VIKING-PH210 Portable pH/Temp. mV Meter 3 in 1 electrode
Reliable-Durable
ATC
Auto-Read, Continuous-read
Reading Prompts
200 groups data setsPacking include:
3 in 1 pH composite electrode
NIST pH standard solution(4.01, 7.00, 10.01) ， 50ml/vial
Electrode holder
Silicone rubber case
WristbandsCarrying case is optional,
SKU: PRO6078 -
Portable pH meter
VIKING-PH310F Portable pH/Temp (mV) with 3 in 1 Electrode
Accurate-Powerful
Auto-Read (Fast, Medium,
Slow), Timed-Read, Continuous-read
GLP Features
500 groups data sets
Print, PCPacking include:
3 in 1 pH composite electrode
NIST pH standard solution(4.01,7.00, 10.01) ， 50ml/vial
Electrode holder
Silicone rubber case
Wristbands
Carrying CaseSKU: PRO3567 -
Portable pH meter
VIKING-PH310T Portable pH/Temp (mV) with 3 in 1 Electrode
Accurate-Smart
Touchscreen
1000 groups data sets
Print, PCPacking include:
3 in 1 pH composite electrode
NIST pH standard solution(4.01,7.00, 10.01)， 50ml/vial
Electrode holder
Silicone rubber case
Wristbands
Touch pen
Carrying CaseSKU: PRO5388 -
Benchtop pH Meter
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 Meter
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 Meter
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 Meter
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 Meter
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 -
Portable pH meter
VIKING-PH510 Portable pH/Temp. (mV/ORP) Meter touch screen
Professional-Smart
Touchscreen
Method Management
1000 groups data sets
PC, ScannerSet include:
3 in 1 pH composite electrode
NIST pH standard solution(4.01,7.00, 10.01)， 50ml/vial
Electrode holder
Silicone rubber case
Wristbands
Touch pen
Carrying caseSKU: PRO4882
