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800-229-7252Handheld Multiparameter Meters
- Knick Instrinsically Safe Meter pH Electrode, Analog, Glass body electrodeEW-59351-22CPEW-59351-22-EA
- Waterproof Portable Meter Kit with Separate pH and Conductivity Probes and CalibrationEW-35630-91CPEW-35630-91-EA