Water Quality
Showing 31–60 of 60 results
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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 -
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Portable DO Meter
VIKING-DO210 Portable DO Meter
Reliable-Durable
ATC
Auto-Read, Continuous read
Reading Prompts
200 groups data sets
IP54
Polarographic
DO Range 0.00 ~ 20.00 mg/L , Accuracy ±0.3mg/L
DO Saturation Range (0.0 ~200.0)% , Accuracy±2.0%
Temp. Range -5.0 ~ 110 ºC, 23.0 ~ 230 ºF , Accuracy ±0.2More information at Colo Science
SKU: PRO3316 -
Portable DO Meter
VIKING-DO310 Touch screen Portable DO Meter
DO/Temp.(DO Saturation)
Accurate-Powerful
1000 groups data sets
Print, PC
Polarographic
DO Range 0.00 ~ 50.00 mg/L ,
Accuracy ±0.1mg/L
DO Saturation Range (0.0 ~ 300.0)% , Accuracy±2.0%
Temp. Range
-5.0 ~ 110 ºC, 23.0 ~ 230 ºF ,
Accuracy ±0.2More information at Colo Science
SKU: PRO3164 -
Portable DO Meter
VIKING-DO510 Touch screen Portable DO Meter
DO/Temp. (DO Saturation)
Professional-Smart
Touchscreen
1000 groups data sets
Print, PC, Scan gun
Polarographic
DO Range 0.00 ~ 99.99 mg/L ,
Accuracy
±0.3mg/L (0.00 ~ 20.00 mg/L);
±10% (20.00 ~ 99.99 mg/L)
DO Saturation Range
(0.0 ~ 600.0)% , Accuracy±2.0%
Temp. Range
-10 ~ 135 ºC, 14 ~ 275 ºF ,
Accuracy ±0.1More information at Colo Science
SKU: PRO4953 -
Portable DO Meter
VIKING-DO511 Touch screen Portable DO Meter
DO/Temp. (DO Saturation)
Professional-Smart
Touchscreen
1000 groups data sets
Print, PC, Scan gun
Optical
DO Range 0.00 ~ 20.00 mg/L ,
Accuracy
±0.3mg/L (0.00 ~ 20.00 mg/L)
DO Saturation Range
(0.0 ~ 200.0)% ,
Accuracy±10.0%
Temp. Range 0 ~ 50 ºC ,
Accuracy ±0.2More information at Colo Science
SKU: PRO2427 -
Benchtop Conductivity Meter
VIKING-EC200 Benchtop Conductivity Meter
EC/Temp. (TDS)
EC Range 0.000 μS/cm ~ 200 mS/cm ,
Accuracy ±1.0% FS
TDS Range 0.00mg/L ～ 300g/L , Accuracy ±1.0% FS
Temp. Range -5.0 ~ 110 ºC, 23.0 ~ 230 ºF ,
Accuracy ±0.2Reference Temp. 20, 25 ºC
Calibration Points（1~3)
84μS/cm, 1413μS/cm, 12.88mS/cm
Standard RecognitionSKU: PRO2541 -
Benchtop Conductivity Meter
VIKING-EC300 Laboratory Conductivity Meter
EC/Temp. (Resistivity/ TDS/Sal.)
EC Range 0.000 μS/cm ~ 1000 mS/cm ,
Accuracy ±1.0% FS
Resistivity Range 5.00 Ω·cm ～ 20.00 MΩ·cm ,
Accuracy ±1.0% FS
TDS Range 0.00mg/L ～ 300g/L , Accuracy ±1.0% FS
Salinity Range (0.00 ～ 8.00)% , Accuracy ±0.2%
Temp. Range -5.0 ~ 110 ºC, 23.0 ~ 230 ºF ,
Accuracy ±0.2Reference Temp. 20, 25 ºC
Calibration Points（1~3)
84μS/cm, 1413μS/cm, 12.88mS/cm
Standard RecognitionSKU: PRO6197 -
Portable Conductivity Meter
VIKING-EC310 Portable EC/Resistivity/Temp/TDS/Sal/
Electro Conductivity Range 0.000 μS/cm ~ 1000 mS/cm ,
Accuracy ±0.5% FS
Resistivity Range 5.00 Ω·cm ～ 20.00 MΩ·cm ,
Accuracy ±0.5% FS
TDS Range 0.000mg/L ～ 300g/L ,
Accuracy ±0.5% FS
Salinity Range (0.00 ～ 8.00)% , Accuracy ±0.1%
Temp. Range -5.0 ~ 110 ºC, 23.0 ~ 230 ºF ,
Accuracy ±0.2SKU: PRO6065 -
Portable Conductivity Meter
VIKING-EC310T Portable EC/Resistivity/Temp/TDS/Sal/
Electro Conductivity Range
EC Range 0.000 μS/cm ~ 1000 mS/cm ,
Accuracy ±0.5% FS
Resistivity Range 5.00 Ω·cm ～ 20.00 MΩ·cm ,
Accuracy ±0.5% FS
TDS Range 0.000mg/L ～ 300g/L ,
Accuracy ±0.5% FS
Salinity Range (0.00 ～ 8.00)% , Accuracy ±0.1%
Temp. Range -5.0 ~ 110 ºC, 23.0 ~ 230 ºF ,
Accuracy ±0.2-
- Calibration Points（1~3）
- 84μS/cm, 1413μS/cm, 12.88mS/cm Standard Recognition
- Reference Temp. 20, 25 ºC
SKU: PRO6089 -
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Benchtop Conductivity Meter
VIKING-EC400 Laboratory Conductivity Meter
EC/Temp. (Resistivity/ TDS/Sal.)
EC Range 0.000 μS/cm ~ 1000 mS/cm ,
Accuracy ±0.5% FS
Resistivity Range 5.00 Ω·cm ～ 100.00 MΩ·cm ,
Accuracy ±0.5% FS
TDS Range 0.00mg/L ～ 1000g/L , Accuracy ±0.5% FS
Salinity Range (0.00 ～ 8.00)% , Accuracy ±0.1%
Temp. Range -10 ~ 135 ºC, 14 ~ 275 ºF , Accuracy ±0.1Reference Temp. 20, 25 ºC
Calibration Points（1~3)
84μS/cm, 1413μS/cm, 12.88mS/cm
Standard RecognitionSKU: PRO2747 -
Benchtop Conductivity Meter
VIKING-EC500 Laboratory Conductivity Meter
EC/Temp. (Resistivity/ TDS/Sal.)
EC Range 0.000 μS/cm ~ 2000 mS/cm , Accuracy ±0.5% FS
Resistivity Range 5.00 Ω·cm ～ 100.00 MΩ·cm , Accuracy ±0.5% FS
TDS Range 0.000 ～ 1000 g/L, Accuracy ±0.5%FS
Salinity Range (0.00 ～ 8.00)% , Accuracy ±0.1%
Temp. Range -10 ~ 135 ºC, 14 ~ 275 ºF , Accuracy ±0.1- Calibration Points（1~5)
- 10 μS/cm, 84 μS/cm, 500 μS/cm, 1413 μS/cm, 12.88 mS/cm Standard Recognition
- Reference Temp. 5, 10, 15, 18,20, 25 ºC
SKU: PRO3566 -
Portable Conductivity Meter
VIKING-EC510 Portable EC/Resistivity/Temp/TDS/Sal/
Electro Conductivity Range
EC Range 0.000 μS/cm ~ 3000 mS/cm ,
Accuracy ±0.5% FS
Resistivity Range 5.00 Ω·cm ～ 100.00 MΩ·cm ,
Accuracy ±0.5% FS
TDS Range 0.000 ～ 1000 g/L ,
Accuracy ±0.5%FS
Salinity Range (0.00 ～ 8.00)% , Accuracy ±0.1%
Temp. Range -10 ~ 135 ºC, 14 ~ 275 ºF ,
Accuracy ±0.1- Reference Temp. 5, 10, 15,18, 20, 25 ºC
- Calibration Points（1~5)
- Calibration Reminder
- 10 μS/cm, 84 μS/cm,500 μS/cm, 1413 μS/cm, 12.88 mS/cm Standard Recognition
SKU: PRO6088 -
Benchtop Conductivity Meter
VIKING-EC600 Conductivity Meter
EC/Temp. (Resistivity/ TDS/Sal.)
EC Range 0.000 μS/cm ~ 3000 mS/cm ,
Accuracy ±0.5%FS
Resistivity Range 5.00 Ω·cm ～ 100.00 MΩ·cm ,
Accuracy ±0.5%FS
TDS Range 0.000 mg/L ～ 1000 g/L , Accuracy ±0.5%FS
Salinity Range (0.00 ～ 8.00)% , Accuracy ±0.1%
Temp. Range -5 ~ 130 ºC , Accuracy ±0.1-
- Calibration Points（1~5）
- Reference Temp. 5, 10, 15, 18,20, 25 ºC
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- 84μS/cm, 1413μS/cm, 12.88mS/cm Standard Recognition
SKU: PRO6087 -
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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
