HM Digital Water Quality Testers, TDS Meters

HM Digital full product list:

HM Digital TDS-EZ 0-9990 PPM Water Quality Tester

In Stock!

Ships in 1 business day

Retail: $24.99

Our Price: $19.95

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HM Digital COM-100 Water Quality Tester

In Stock!

Ships in 4 to 5 business days.

Retail: $70.99

Our Price: $59.95

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HM TDS-4 Pocket Size TDS Meter, TDS4 10-Pack 10-Pack

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within the continental U.S.

In Stock!

Ships in 5 to 6 business days.

Our Price: $179.50

HM Digital ORP-200 ORP Meter Water Tester w/ Temp.

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within the continental U.S.

In Stock!

Ships in 5 to 6 business days.

Retail: $108.99

Our Price: $87.95

Save 19%!

HM Digital TM-1 Digital Thermometer

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Ships in 1 to 2 business days.

Retail: $29.99

Our Price: $19.95

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HM Digital COM-100 Replacement TDS Sensor SP-C1

In Stock!

Ships in 5 to 6 business days.

Retail: $38.99

Our Price: $31.95

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HM Digital SP-1 Sensor Probe For Panel Mounted Controllers 10-Pack

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within the continental U.S.

Out of stock

Our Price: $529.90

HM TDS-3 Meter with Carrying Case 10-Pack

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within the continental U.S.

Special Order.

Ships in 5 to 6 days.

Our Price: $222.00

HM PH-200 Waterproof pH Meter 4-Pack

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within the continental U.S.

Special Order.

Ships in 5 to 6 days.

Our Price: $319.80

HM Digital AquaPro AP-1 Water Quality Tester - TDS 10-Pack

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within the continental U.S.

Special Order.

Ships in 5 to 6 days.

Our Price: $257.90

HM Digital SP-O2 ORP Sensor Replacement for ORP200

Special Order.

Ships in 5 to 6 days.

Retail: $64.99

Our Price: $55.99

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HM Digital PTDS-4TM Pocket Size TDS Meter w/ Temp 10-Pack

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within the continental U.S.

Special Order.

Ships in 5 to 6 days.

Our Price: $222.00

HM Digital AquaPro AP-2 Water Quality Tester - EC 12-Pack

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within the continental U.S.

Special Order.

Ships in 5 to 6 days.

Our Price: $309.48

HM Digital DM-2 In-Line Dual TDS Monitor 5-Pack 5-Pack

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within the continental U.S.

Special Order.

Ships in 5 to 6 days.

Our Price: $227.50

HM Digital QC-1 TDS & Conductivity Monitor

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Ships in 5 to 6 days.

Retail: $39.99

Our Price: $20.30

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HM Digital SM-1 TDS Monitor 10-Pack

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within the continental U.S.

Special Order.

Ships in 5 to 6 days.

Our Price: $245.00

HM Digital PH-200 Replacement pH Sensor SP-P2

Special Order.

Ships in 5 to 6 days.

Retail: $58.99

Our Price: $50.99

Save 14%!