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  Pocket Multi-Parameter Meter

  Combination pocket meter for pH, Conductivity, TDS and Temperature, waterproof, with CE range (98130 high and 98129 low).
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  Portable pH Meter – pH – ORP – Temp

  The HI9125 is a rugged, waterproof and portable pH and mV meter. This meter offers many features such as the automatic error prevention system and on-screen instructions.
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  Tester Ph, ORP, Temp

  Pocket pH, ORP and Temperature meter. waterproof, with replaceable electrode 98121.