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HM Digital Water Quality Meters
 Products (Total Items: 12)
HM Digital (PH-200) pH Handheld Meter/Monitor HM Digital (PH-200) pH Handheld Meter/Monitor

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$89.99
Part Number: PH-200
Availability: Ships within 24-72 hours
HM Digital (FM-1) Filter Monitor w/ Water Flow Switch HM Digital (FM-1) Filter Monitor w/ Water Flow Switch

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$29.95
Part Number: FM-1
Availability: Ships within 24-72 hours
HM Digital (FM-2) Filter Monitor w/ Flow Sensor and Volumizer HM Digital (FM-2) Filter Monitor w/ Flow Sensor and Volumizer

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$39.95
Part Number: FM-2
Availability: Ships within 24-72 hours
HM Digital (DM-1A) Residential Inline Dual TDS Meter/Monitor; 3/8" JG HM Digital (DM-1A) Residential Inline Dual TDS Meter/Monitor; 3/8" JG

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$34.40
Part Number: DM-1A
Availability: Ships within 24-72 hours
HM Digital (COM-100) Waterproof EC/TDS/Temperature Combo Meter/Monitor HM Digital (COM-100) Waterproof EC/TDS/Temperature Combo Meter/Monitor

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$69.95
Part Number: COM-100
Availability: Ships within 24-72 hours
HM Digital (DM-1) Residential Inline Dual TDS Meter/Monitor; 1/4" JG HM Digital (DM-1) Residential Inline Dual TDS Meter/Monitor; 1/4" JG

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$30.36
Part Number: DM-1
Availability: Ships Same Day!
HM Digital (DM-2) Industrial Inline Dual TDS Meter/Monitor; 1/4" JG HM Digital (DM-2) Industrial Inline Dual TDS Meter/Monitor; 1/4" JG

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$45.04
Part Number: DM-2
Availability: Ships within 24-72 hours
HM Digital (TDS-3) Handheld Digital TDS & Temperature Meter/Monitor HM Digital (TDS-3) Handheld Digital TDS & Temperature Meter/Monitor

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$22.20
Part Number: TDS-3
Availability: Ships within 24-72 hours
HM Digital (TDS-EZ) "EZ" TDS Meter/Monitor HM Digital (TDS-EZ) "EZ" TDS Meter/Monitor

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$15.59
Part Number: TDS-EZ
Availability: Ships within 24 hours
HM Digital (TDS-4) Handheld Digital TDS Meter/Monitor HM Digital (TDS-4) Handheld Digital TDS Meter/Monitor

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MSRP: $25.00
$21.00
Part Number: TDS-4
Availability: Ships Same Day!
HM Digital (SP-P2) Replacement pH Sensor for PH-200 HM Digital (SP-P2) Replacement pH Sensor for PH-200

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$47.54
Part Number: SP-P2
Availability: Ships within 24-72 hours
HM Digital (PM-2) External In-Line TDS Purity Monitor 1/4" Quick Connect HM Digital (PM-2) External In-Line TDS Purity Monitor 1/4" Quick Connect

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$79.00
Part Number: PM-2
Availability: Ships within 7-10 business days
 
HM Digital Meters, handheld and portable TDS, EC and pH testers, in-line monitors, controllers and demonstration devices for reverse osmosis (RO) water filters and water purification systems are superior in construction and performance, yet made available at a very economic cost. HM Digital, Inc. is the only manufacturer of economical in-line dual TDS meters that measure total dissolved solids (TDS) levels of feed and product water lines simultaneously, an effective way to compare rejection rates and gauge reverse osmosis membrane, water filter and water purification performance.