Save Big on Warehouse Cleaning
Go to Monthly Deals Section
Shaking & Mixing
See MoreSpecial Offer
Water Quality Analyzers
More Information-
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
Trending products
Go to Trending products
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 ±0.2
More information at Colo Science
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 ±0.2
More information at Colo Science
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 ±0.1
More information at Colo Science
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 ±0.2
More information at Colo Science
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 ±0.2
Reference Temp. 20, 25 ºC
Calibration Points（1~3)
84μS/cm, 1413μS/cm, 12.88mS/cm
Standard Recognition
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 ±0.2
Reference Temp. 20, 25 ºC
Calibration Points（1~3)
84μS/cm, 1413μS/cm, 12.88mS/cm
Standard Recognition
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 ±0.1
Reference Temp. 20, 25 ºC
Calibration Points（1~3)
84μS/cm, 1413μS/cm, 12.88mS/cm
Standard Recognition
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
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
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
Popular Products
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 ±0.2
More information at Colo Science
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 ±0.2
More information at Colo Science
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 ±0.1
More information at Colo Science
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 ±0.2
More information at Colo Science
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 ±0.2
Reference Temp. 20, 25 ºC
Calibration Points（1~3)
84μS/cm, 1413μS/cm, 12.88mS/cm
Standard Recognition
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 ±0.2
Reference Temp. 20, 25 ºC
Calibration Points（1~3)
84μS/cm, 1413μS/cm, 12.88mS/cm
Standard Recognition
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 ±0.1
Reference Temp. 20, 25 ºC
Calibration Points（1~3)
84μS/cm, 1413μS/cm, 12.88mS/cm
Standard Recognition
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
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
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
