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ZT-2: Basic TDS TesterTDS-EZ: Economy TDS TesterTDS-3: TDS Meter with CaseEC-3: Conductivity Meter with CaseTDS-4: Pocket-Size TesterTDS-4TM: Pocket-Size TDS/TemperatureAP-1: AquaPro Water Quality Tester (TDS)AP-2: AquaPro Water Quality Tester (EC)COM-100: Waterproof EC/TDS/Temp MeterPH-200: Waterproof pH MeterORP-200: Waterproof ORP MeterTM-1: Digital Thermometer
QC-1: Quick Check MonitorSM-1: Single Line TDS MonitorDM-1: Dual TDS MonitorDM-2: Dual TDS Monitor 2FM-1: Filter MonitorFM-2: Filter Monitor with VolumizerCT-1: Clean Tap MonitorPM-1: Purity MonitorPM-2: External Purity Monitor
PS-100: TDS ControllerPS-200: Dual TDS ControllerPS-202: Dual Display TDS ControllerPC-100: Conductivity ControllerPSC-150: Extended Range EC/TDS ControllerPSC-154: TDS/EC Controller with 4-20mA OutputCIC-152: Dual Control Dosing/Injection TDS/EC Controller
TDS Calibration SolutionspH BuffersORP Buffers & Test KitpH/ORP Electrode Storage SolutionTDS/EC SensorsController CoverWater Flow SwitchFlow Sensor pH/ORP Electrode Storage Solution
HM Digital, Inc.
Established in 1987, HM Digital, Inc. (formerly known as Heemang Electronics) is an original equipment manufacturer (OEM) that has been recognized worldwide for providing the best values in water testing instrumentation, especially the increasingly popular TDS meter.
Accessories for HM Digital pH Electrode Storage Solution