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ORP-200 HM Digital Professional Grade ORP Handheld Meter

ORP-200 HM Digital Professional Grade ORP Handheld Meter

Ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, aquariums & aquaculture, chlorine monitoring, cooling tower disinfection, environmental testing, fruit & vegetable washing, h

$87.95

Free shipping

US Water Systems

HM Digital SP-O2 Replacement Sensor for ORP-200 Testing Meter

HM Digital SP-O2 Replacement Sensor for ORP-200 Testing Meter

The SP-O2 Replacement Sensor replaces the HM Digital Waterproof ORP-200 Testing Meter Sensor. Huge selection to choose from. Using only the highest quality materials. Providing you with great selection and quality. Satisfaction ensured. ... more

HM Digital SP-O2 Replacement Sensor for ORP-200 Testing Meter

The SP-O2 Replacement Sensor replaces the HM Digital Waterproof ORP-200 Testing Meter Sensor. Huge selection to choose from. Using only the highest quality materials. Providing you with great selection and quality. Satisfaction ensured.

Amazon.com

$60.16

FREE shipping

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PH-200 HM Digital Professional Grade Handheld pH Meter

PH-200 HM Digital Professional Grade Handheld pH Meter

Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, ... more

PH-200 HM Digital Professional Grade Handheld pH Meter

Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee,

$79.95

FREE shipping

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HM Digital ORP-200 Waterproof Meter for ORP Redox & Temperature - 2754

HM Digital ORP-200 Waterproof Meter for ORP Redox & Temperature - 2754

The HM Digital ORP-200 Waterproof Meter for ORP Redox & Temperature measures the oxidation reduction potential (Redox) and temperature of water. The HM Digital OPR-200 features auto-ranging calibration with digital fine tuning, a waterproof housing... ... more

HM Digital ORP-200 Waterproof Meter for ORP Redox & Temperature - 2754

The HM Digital ORP-200 Waterproof Meter for ORP Redox & Temperature measures the oxidation reduction potential (Redox) and temperature of water. The HM Digital OPR-200 features auto-ranging calibration with digital fine tuning, a waterproof housing...

Water Softener Outlet

$108.95 $102.67

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HM Digital TDS-3 Handheld TDS meter

HM Digital TDS-3 Handheld TDS meter

"Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times! Features: Ideal for commercial use.... ... more

HM Digital TDS-3 Handheld TDS meter

"Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times! Features: Ideal for commercial use....

HydroBuilder.com

(500+)

$38.87

FREE shipping

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HM Digital TDS-EZ Handheld TDS Meter

HM Digital TDS-EZ Handheld TDS Meter

HM Digital TDS-EZ Handheld TDS Meter. The HM Digital TDS-EZ Handheld TDS Meter is ideal for all basic water testing applications especially for testing the performance of your reverse osmosis system. Use the TDS-EZ to measure total dissolved solids to... ... more

HM Digital TDS-EZ Handheld TDS Meter

HM Digital TDS-EZ Handheld TDS Meter. The HM Digital TDS-EZ Handheld TDS Meter is ideal for all basic water testing applications especially for testing the performance of your reverse osmosis system. Use the TDS-EZ to measure total dissolved solids to...

eFilterWater

$16.29

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HM Digital™ TDS-3 Handheld Meter with Carrying Case

HM Digital™ TDS-3 Handheld Meter with Carrying Case

$24.95

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HM Digital TDS-3 Handheld Water Quality TDS Meter with Case - 2756

HM Digital TDS-3 Handheld Water Quality TDS Meter with Case - 2756

The HM Digital TDS-3 Handheld Water Quality TDS Meter with Case measures total dissolved solids (TDS) and temperature. The HM Digital TDS-3 features a measurement range of 0-9990 ppm (mg/L), automatic temperature compensation, built-n digital... ... more

HM Digital TDS-3 Handheld Water Quality TDS Meter with Case - 2756

The HM Digital TDS-3 Handheld Water Quality TDS Meter with Case measures total dissolved solids (TDS) and temperature. The HM Digital TDS-3 features a measurement range of 0-9990 ppm (mg/L), automatic temperature compensation, built-n digital...

Water Softener Outlet

$36.00

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HM Digital SP-O2 Sensor Replacement for ORP-200 Testing Meter - 2773

HM Digital SP-O2 Sensor Replacement for ORP-200 Testing Meter - 2773

The HM Digital SP-O2 Replacement Sensor for ORP-200 Testing Meter is an oxiddation reduction potential replacement sesnor for use with the HM Digital ORP-200 ORP meter. ... more

HM Digital SP-O2 Sensor Replacement for ORP-200 Testing Meter - 2773

The HM Digital SP-O2 Replacement Sensor for ORP-200 Testing Meter is an oxiddation reduction potential replacement sesnor for use with the HM Digital ORP-200 ORP meter.

Water Softener Outlet

$89.99 $54.56

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"HM Digital Handheld TDS-3 Tester"

"HM Digital Handheld TDS-3 Tester"

" Ideal for commercial use. Includes a carrying case with belt clip. Highly efficient and accurate due to its advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto-off function: the meter shuts... ... more

"HM Digital Handheld TDS-3 Tester"

" Ideal for commercial use. Includes a carrying case with belt clip. Highly efficient and accurate due to its advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto-off function: the meter shuts...

http://healthyharvestfl.c...

$29.56

FREE shipping

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Handheld TDS Meter ZT-2

Handheld TDS Meter ZT-2

Handheld TDS Meter ZT-2 TDS-ZT2. HM Digital ZT-2 Handheld TDS Meter Features: Highly efficient and accurate due to its advanced microprocessor technology. Hold function -- Saves measurements for convenient reading and recording with the sound of a... ... more

Handheld TDS Meter ZT-2

Handheld TDS Meter ZT-2 TDS-ZT2. HM Digital ZT-2 Handheld TDS Meter Features: Highly efficient and accurate due to its advanced microprocessor technology. Hold function -- Saves measurements for convenient reading and recording with the sound of a...

(10,000+)

$14.99

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(10,000+)