Pocket TDS and Temperature Meter
Pocket TDS and temperature tester with a range up to 10.00 ppt, single-point calibration, ATC and IP54 housing for water-quality control.
The AK53 Tester is a compact and accurate instrument for measuring TDS and temperature. Ideal for field applications and water quality control, it offers a measurement range of up to 10.00 ppt and a temperature range of 0 to 50°C, with high resolution and automatic temperature compensation (ATC), ensuring reliable results.


It features single-point calibration (6.44 ppt), IP54 protection, automatic shutdown and practical functions such as a low battery indicator and data hold. Its portable design and battery power make it ideal for everyday use.

Applications
| Measurement Specifications | |||
| Parameter | Range | Resolution | Accuracy |
|---|---|---|---|
| Total Dissolved Solids (TDS) | 0.00 to 10.00 ppt | 0.01 ppt | ± 2 %FS |
| Temperature | 0.0 to 50.0 °C | 0.1 °C | ± 1 °C |
| General Specifications | |
| Operating humidity | 5 to 90 % RH (non-condensing) |
| Protection rating | IP54 |
| Power supply | 6 VDC (4 × LR44 batteries) |
| Dimensions | 38 x 188 x 38 mm |
| Weight | 82 g |
Replacement parts, calibration solutions, and maintenance supplies for the AK53.
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