AK41 – pocket photometer for measuring chlorine in water (0–500 ppm)

The AK41 tester enables simple measurement of free and total chlorine in water within the 0–500 ppm range.

The AK41 chlorine tester is a colorimetric device designed to analyze chlorine content in disinfecting solutions, enabling reliable measurements in both field and laboratory settings. The device prioritizes metrological reliability, ensuring result reproducibility and effective industrial process control.

Technical specifications of the AK41 tester

Measurement range: 0 to 500 ppm, allowing for the analysis of high-concentration chlorine solutions. This makes the device suitable for industrial applications requiring levels significantly higher than those found in drinking water.
Resolution: 1 ppm, facilitating result reading during operational checks and enabling the detection of significant changes in the composition of disinfectant solutions.
Accuracy: ± (5 ppm + 5% of the reading), ensuring metrological reliability and stable performance even at high concentrations.
Adjustment: Four-point adjustment (0, 100, 300, and 500 ppm) providing better control over the device. Calibration is performed according to internal procedures, promoting operational stability.
Method: Colorimetric, using DPD powder reagents—a widely recognized standard in chlorine analysis.
Sample temperature: 15 to 35°C, ensuring optimal reaction conditions.
Sample volume: 10 ml, allowing for the use of standard cuvettes.
Light source: Light-emitting diode (LED) ensuring wavelength stability.
Wavelength: 525 nm, in accordance with the adopted colorimetric method.
Measurement chamber: Glass cuvette ensuring chemical compatibility.
Automatic shut-off: After 2 minutes, promoting energy conservation.
Display: OLED, providing clear and direct reading of results. Available languages: English, Spanish, and Portuguese, enabling use in diverse environments.
Operating temperature: 0 to 50°C, making the device suitable for both field and industrial use.
Operating humidity: 10 to 90% RH (non-condensing), ensuring stable operation.
Power supply: 9 V DC battery, enabling portable use.
Dimensions: 73 x 77 x 40 mm, facilitating practical handling.
Weight: 120 g (including battery), allowing for easy transport during daily operations.