Color Tester
Handheld photometer for water colour with a 0 to 500 PCU range and one-button operation for direct, accurate results without a colour chart.
The Color Tester is accurate, affordable, lightweight, yet robust for field use. The tester line of photometers is handy and can be easily transported anywhere you need them to go. The one-button operation makes it simple to use getting immediate and accurate results.
No more struggling to determine colours with Test Kits, our handheld photometers take the hassle out of matching to a colour chart, providing a direct and precise result.
AK42 Color Tester performs digital readout measurements quickly and efficiently using the Platinum-Cobalt method, which is considered the standard method for measuring colour in drinking water and natural waters.


The measurement of this parameter is used to assess the potability of water.
The AK42 Color Tester measures the apparent colour of water in the range of 0 to 500 PCU — the result obtained without filtering the sample.

Applications
| Measurement Specifications | |||
| Parameter | Range | Resolution | Accuracy |
|---|---|---|---|
| Color | 0 to 500 PCU | 1 PCU | ± 10 PCU +5% reading |
| General Specifications | |
| Operating humidity | 10 to 90 % RH (non-condensing) |
| Power supply | 9 VDC (1 × 9 V battery) |
| Dimensions | 73 x 77 x 40 mm |
| Weight | 120 g (with battery) |
| Sample volume | 12 mL |
| Light source | LED |
| Wavelength | 455 nm |
| Measuring cell | Glass cuvette |
| Auto power-off | After 2 minutes |
| Display | OLED |
| Languages | Portuguese, English, Spanish, Italian |
| Operating temperature | 0 to 50 °C |
| Sample temperature | 15 to 35 °C |
| Measurement method | Platinum-cobalt colorimetric method (ISO 7887:2011) |
| Calibration points | 4 points: 0, 100, 300, 500 PCU |
Replacement parts, calibration solutions, and maintenance supplies for the AK42.
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