SANXIN Economy Pocket Testers
- Intelligent functions : auto. Calibration, auto. Power-off, low voltage alarm for all economy pocket testers; auto. Temp. compensation and auto. Ranging for model 5021, 5041, and 5051 testers.
- IP57 waterproof for all economy pocket testers, replaceable electrodes for model PHB-3 PH tester and 5041 ORP tester.
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