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Eutech C401 Portable Colorimeter
Free Chlorine, Total Chlorine, Cyanuric Acid & pH
Colorimetry is defined as the measurement of a parameter whose concentration is proportional (directly or inversely related) to color intensity after the addition of known volume of reagent(s). Different chemical substances absorb different and varying visual light frequencies. Since the absorbance of a substance is proportional to its concentration i.e., a more concentrated solution gives a higher absorbance reading, therefore the concentration of a known solute can be measured using a
colorimeter. Eutech’s latest range of portable waterproof colorimeters measure Chlorine (Free and Total), Cyanuric Acid, pH, Chlorine Dioxide, Bromine and Ozone. The applications include water analysis in swimming pools, spas, public utilities, industrial wastewater plants, municipal water, treated water, water conditioning systems and paper and pulp mills.
ModelParameter
C401 Free Chlorine, Total Chlorine, Cyanuric Acid & pH
Specifications of C401 Colorimeter
Product Code
EC-C401
Measurement Method Photometric
Light Source Light Emitting Diode (LED)
Wavelength 525nm
Detector Silicon photodiode
Absorbance Range 0 - 2.5 Abs
Photometric Precision ±0.0015Abs
Automatic Range Selection
0 - 1.99 ppm (Free & Total Chlorine)
2.0 - 6.0 ppm (Free & Total Chlorine)
5 - 90 ppm (Cyanuric Acid)
5.9 - 8.2 pH
Resolution
0.01 ppm (0 - 1.99 ppm; Free & Total Chlorine)
0.1 ppm (2.0 - 6.0 ppm; Free & Total Chlorine)
0.1 pH (5.9 - 8.2 pH)
1 ppm (5 - 90 ppm; Cyanuric Acid)
Accuracy
±0.02 ppm (0 – 1.99 ppm; Free & Total Chlorine)
±0.2 ppm (2.0 – 6.0 ppm; Free & Total Chlorine)
±0.1 pH (5.9 – 8.2 pH)
±4 ppm; Cyanuric Acid
Calibration Points: User selectable; 1 point per colorimetric test
Display: 4-digit 14-segments customized liquid crystal display with annunciators
Sample Cells: Borosilicate glass with screw caps, fill line and indexing mark Height x Diameter : 51 x 25 mm
Sample Volume Required: 10 ml
Operating Temperature Range: 0 – 50°C
Operating Humidity Range: 0-90% RH non-condensing at 30°C
Power Supply :4x ‘AAA’ alkaline batteries
Battery Life: > 3000 tests
Electromagnetic: EN 61326 Compliance (EMC)
Weight Instrument : 200g
Complete carrying case : 1.25kg
Dimensions Instrument :
6.8(W) x 15.5(L) x 4.6(H) cm
Carrying case : 16(W) x 35(L) x 12(H) cm
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