Water Quality
Showing 25–48 of 95 results
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Portable pH/Ion Meters
VIKING-ISE510 Portable pH/Ion Meter
COLO.Science · Portable pH/Ion Meter
VIKING-ISE510 is a touchscreen portable pH/ion meter for pH, ISE, pX, ORP/mV and temperature with ±0.002 pH accuracy, 1–8 point pH calibration and IP65 protection.
pH −2.000–20.000 · ISE 1.000e⁻⁹–9.999e⁺⁹ · 4.3″ touch LCD · GLP 1000 groups · IP65
SKU: PRO4754 -
Benchtop Multi-Parameter Analyzer
VIKING-M300A Laboratory Multi Parameter Analyzer pH/EC
COLO.Science · Benchtop Multiparameter Analyzer
VIKING-M300A is a benchtop multiparameter analyzer for pH, EC, ISE, mV, pX, TDS, salinity, resistivity and temperature measurement.
pH / EC / ISE · 7.0″ LCD · GLP 500 / parameter · USB/RS-232 · SKU PRO5384
SKU: PRO5384 -
Benchtop pH Meters
VIKING-PH200 Benchtop pH Meter pH/Temp. (mV)
COLO.Science · Benchtop pH Meter
VIKING-PH200 is a routine benchtop pH meter with 6.0″ backlit LCD, ±0.01 pH accuracy, 1–3 point NIST calibration, ATC/MTC, Auto-Read / Auto-Hold, 50 data sets and IP54 protection.
−2.00 to 18.00 pH · ±0.01 pH · ATC/MTC · SKU PRO6042
SKU: PRO6042 -
Benchtop Conductivity Meters
VIKING-EC200 Benchtop Conductivity Meter
COLO.Science · Laboratory Conductivity Meter
VIKING-EC200 is a laboratory conductivity meter for EC, TDS and temperature measurement, with 6.0″ LCD, ATC / MTC, 1-point calibration and GLP-style storage.
EC 0.00 μS/cm–200 mS/cm · TDS 0.00 ppm–100 ppt · IP54 · SKU PRO2541
SKU: PRO2541 -
Portable pH/Ion Meters
VIKING-ISE310 Portable pH/Ion Meter
COLO.Science · Portable pH / Ion Meter
VIKING-ISE310 is a portable pH/ion meter for pH, ISE, pX, mV/ORP and temperature, with 4.3″ touchscreen, GLP memory, ATC/MTC, USB output and IP65 field-ready protection.
Key specs: pH −2.00 to 20.00 · ±0.01 pH · ISE 1.000×10⁻⁹ to 9.999×10⁹ · ±0.5% · 5-point calibration · IP65 · SKU PRO6090
SKU: PRO6090 -
Portable Multi-Parameter Analyzer
VIKING-M510T Portable pH/Conductometer Multi-parameter Water Analyzer
Portable Multi-Parameter AnalyzerVIKING-M510T Portable pH/Conductometer Multi-parameter Water Analyzer
COLO.Science · Portable Multi-parameter Water Analyzer
VIKING-M510T is a portable multi-parameter water analyzer for pH, EC, ISE, ORP, TDS, salinity, resistivity and temperature with 4.3″ touchscreen and IP65 housing.
pH −2.000–20.000 · EC 0–3000 mS/cm · ISE · IP65 · 1000 GLP groups ·
SKU: PRO5383 -
Benchtop pH Meters
VIKING-PH150 Benchtop pH Meter 0.001pH
COLO.Science · Benchtop pH Meter
VIKING-PH150 is a high-precision benchtop pH meter with 0.001 pH resolution, ±0.002 pH accuracy, 1–9 point calibration, ATC/MTC, GLP 2000-set memory, USB/RS-232 and touchscreen operation.
−2.000 to 20.000 pH · 0.001 pH · ±0.002 pH · SKU PRO5358
SKU: PRO5358 -
Portable Multi-Parameter Analyzer
VIKING-M510T-A Portable pH/Conductometer Multi-parameter Water Analyzer
Portable Multi-Parameter AnalyzerVIKING-M510T-A Portable pH/Conductometer Multi-parameter Water Analyzer
COLO.Science · Portable Multi-parameter Water Analyzer
VIKING-M510T-A is a portable multi-parameter water analyzer for pH, EC, ISE, DO, ORP, TDS, salinity, resistivity and temperature with 4.3″ touchscreen and IP65 housing.
pH −2.000–20.000 · EC 0–3000 mS/cm · DO 0–99.99 mg/L · ISE · IP65 · GLP 1000 groups
SKU: PRO5918 -
Benchtop pH Meters
VIKING-PH125 Laboratory pH Meter 3 in 1 Electrode Touch Screen
COLO.Science · Laboratory pH Meter
VIKING-PH125 is a 5.0″ touchscreen laboratory pH/mV meter with ±0.01 pH accuracy, 1–5 point USA/NIST calibration, ATC/MTC, GLP 500-result memory and RS-232 output.
−2.00 to 20.00 pH · ±0.01 pH · 1–5 point calibration · GLP 500 results
SKU: PRO5357 -
Portable Multi-Parameter Analyzer
VIKING-M310 Portable Multi-parameter Water Analyzer
COLO.Science · Portable Multi-parameter Water Analyzer
VIKING-M310 is a portable multi-parameter water analyzer for pH, EC, ISE, DO, TDS, salinity, resistivity and temperature with 4.3″ touchscreen and IP65 housing.
pH −2.00–20.00 · EC 0–1000 mS/cm · DO 0–50 mg/L · ISE · IP65 · GLP 1000 groups
SKU: PRO5382 -
Benchtop pH Meters
VIKING-PH100 Laboratory pH meter 3 in 1 electrode ATC
COLO.Science · Laboratory pH Meter
VIKING-PH100 is a 5.0″ LCD laboratory pH/mV meter with ±0.01 pH accuracy, 1–3 point USA/NIST calibration, ATC, GLP 500-result memory, RS232/USB and IP54 protection.
−2.00 to 19.99 pH · ±0.01 pH · ATC · GLP 500 results
SKU: PRO5326 -
Portable Multi-Parameter Analyzer
VIKING-M310F Portable Multi-parameter Water Analyzer
COLO.Science · Portable Multi-parameter Water Analyzer
VIKING-M310F is a portable multi-parameter water analyzer for pH, ISE, EC, DO, TDS, salinity, resistivity and temperature with 3.5″ LCD, IP65 housing and GLP data storage.
SKU PRO6093 · pH −2.00–20.00 · EC 0–500 mS/cm · DO 0–50 ppm · ISE · IP65
SKU: PRO6093 -
Portable Conductivity Meters
VIKING-EC510T handheld conductivity meter
COLO.Science · Portable Conductivity Meter
VIKING-EC510 is a rugged portable conductivity meter for EC, TDS, salinity, resistivity and temperature measurement, with 4.3″ touchscreen, GLP storage and IP65 protection.
EC 0.000 µS/cm–3000 mS/cm · ±0.5% FS · GLP 1000 groups · IP65
SKU: PRO6088 -
Portable Multi-Parameter Analyzer
VIKING-M310FA Portable Multi-parameter Water Analyzer
COLO.Science · Portable Multi-parameter Water Analyzer
VIKING-M310FA is a portable multi-parameter water analyzer for pH, ISE, EC, mV, pX, TDS, salinity, resistivity and temperature with 3.5″ LCD, IP65 housing and GLP data storage.
SKU PRO6094 · pH −2.00–20.00 · EC 0–500 mS/cm · ISE · TDS / Salinity · IP65
SKU: PRO6094 -
Portable Multi-Parameter Analyzer
CHLTEST20 Portable Chlorine Multi Parameter Tester
COLO.Science · Portable Chlorine Multi-parameter Tester
CHLTEST20 is a portable chlorine multi-parameter tester for residual chlorine, total residual chlorine and chlorine dioxide using the DPD method, LCD display, USB data transfer and IP67 protection.
CHLTEST20 · Residual chlorine 0.02–15 mg/L · Total chlorine 0.02–15 mg/L · ClO₂ 0.02–5 mg/L · IP67
SKU: PRO5375 -
Portable Conductivity Meters
VIKING-EC310T handheld conductivity meter
COLO.Science · Handheld Conductivity Meter
VIKING-EC310T is a touchscreen handheld conductivity meter for EC, TDS, salinity, resistivity and temperature measurement with GLP data storage and IP65 protection.
EC to 1000 mS/cm · TDS to 300 ppt · GLP 1000 groups · SKU PRO6089
SKU: PRO6089 -
Portable Conductivity Meters
VIKING-EC310 handheld conductivity meter
COLO.Science · Portable Conductivity Meter
VIKING-EC310 is a portable conductivity meter for EC, TDS, salinity, resistivity and temperature measurement with GLP memory, USB and IP65 protection.
EC to 500 mS/cm · TDS to 300 ppt · GLP 500 sets / parameter · IP65
SKU: PRO6065 -
Portable Conductivity Meters
VIKING-EC210 Portable EC/Temp. (TDS) 0.00 μS/cm to 200 mS/cm
COLO.Science · Portable Conductivity / TDS Meter
VIKING-EC210 is a portable conductivity / TDS meter for EC, TDS and temperature measurement, with ATC/MTC, endpoint hold, 200-set memory and IP65 protection.
EC to 200 mS/cm · TDS to 300 ppt · PRO6154 EC electrode · SKU PRO6063
SKU: PRO6063 -
Portable pH Meters
VIKING-PH510 Portable pH/Temp. (mV/ORP) Meter touch screen
COLO.Science · Portable pH / mV / ORP Meter
VIKING-PH510 is a professional portable pH / Temp. meter with mV / ORP measurement, 4.3″ touchscreen operation, ±0.002 pH accuracy, GLP-ready data logging and IP65 protection.
pH / mV / ORP · ±0.002 pH · 8-point calibration · IP65
SKU: PRO4882 -
Portable Conductivity Meters
EC110 Handheld Conductivity Meter
COLO.Science · Handheld Conductivity Meter
VIKING-EC110 is a compact handheld conductivity meter for routine EC checks, with MTC manual temperature compensation, continuous reading, 200-result memory and IP65 protection.
EC to 100 mS/cm · MTC only · 1-point EC calibration · SKU PRO6064
SKU: PRO6064

















