HQ440D Benchtop pH, Conductivity, Dissolved Oxygen, ORP, and ISE Multi-Parameter Meter, 2 Channels

HQ440D Benchtop Meter Package with ISENH4181 Ammonium ISE Electrode

Product #: 8507800

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HQ440D Benchtop Meter Package with LBOD101 Dissolved Oxygen Probe for BOD Measurement

Product #: 8508500

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HQ440D General Purpose Water Laboratory pH Meter Package with Standard PHC805 Refill Glass Electrode

Product #: 8505350

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HQ440D Benchtop Complete Water Quality Package

Product #: 8507570

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HQ440D Benchtop Complete Water Quality Package

Product #: 8508700

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HQ440D Laboratory pH Meter Package for High Alkalinity Samples with PHC705A Electrode

Product #: 8506450

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HQ440D Benchtop Meter Package for Pure Water Applications with PHC281 pH Ultra Electrode and CDC401 Conductivity Cell

Product #: 8510200

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HQ440D Laboratory pH Meter Package for Dirty Samples with Fast Response RedRod PHC735 Glass Refill Electrode

Product #: 8505450

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HQ440D Water Quality Laboratory Biochemical Oxygen Demand (BOD) and pH Meter Package with LBOD101 Sensor and PHC301 Electrode

Product #: 8510100

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HQ440D Laboratory Nitrate (NO₃⁻) Ion Meter Package with ISENO3181 Ion Selective Electrode

Product #: 8508100

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HQ440D Benchtop meter package w/ PHC725 pH ultra electrode

Product #: 8505850

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HQ440D High Performance Water Laboratory pH Meter Package for Extended Temperature Range Measurements, with PHC705 Electrode

Product #: 8506050

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