PST-FCL30 Pen Style Free Chlorine Tester

The application of the three-electrode method allows you to get the measurement results more quickly and accurately without consuming any colorimetric reagents.

Waterproof and dustproof housing, IP67 rating.
Precise and easy operation: all functions can be accessed with one hand.
Use tri-electrode method and achieves faster, more reliable and accurate measurements, compared with DPD method.
No consumables means low cost of maintenance;
The measured value is not affected by low temperature or turbidity.
Self-replaceable CS5930 chlorine electrode remains accurate and stable and is easy to clean and maintain.
Field throw-out measurement(automatic locking function)
No tools needed to change batteries or electrode.
Backlit multiple line display is easy to read in any ambient light.
Self-test for easy troubleshooting (e.g battery indicator, message codes).
Uses only one 1.5 AAA and low power means long battery life.
Auto-Power Off saves battery after 5 mins inactivity.