Wattson WS-EC9988 PH/TDS/Temp 3 In 1 Pen Type Meter Tester
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At first glance and touch, they're not exactly cheap meters. The package does not contain calibration solutions, PH 4,01, PH 7,00 ( possibly 6.86, ) and PH 10 ( or 9.18 ) are required. I don't mind, I've got all my own. And also calibration to 1413 conductivity. Could be a backlit display and a Hold feature. For the money, I'm sure. Yeah, and the scope of connectivity could be over 2,000. The greatest advantage is calibration using a screwdriver. That's why I bought this machine. I'm quite satisfied.
muito bom
Usato per acquario, ottimo prodotto
Muy práctico al tener en una misma medición tanto PH, como EC. Una presentación inpecable. Valoro mucho la posibilidad de poder calibrar tanto PH, como EC. Lo único negativo, es la no inclusión de las 4 pilas "AG13" necesarias para su funcionamiento, con lo que debere retrasar unos dias la prueba del mismo hasta conseguir esas pilas.
equipo de medicion de ph, bastante exacto. cuesta calibrarlo, un poco inestable.