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Showing: 221 - 240 of 511

PHTK-156 Digital 2-in-1 pH / ORP mV CO2 Controller Meter 0.00~14.00PH Range Water Tester
PHTK-156 Digital 2-in-1 pH / ORP mV CO2 Controller Meter 0.00~14.00PH Range Water Tester
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PHTK-156 Digital 2-in-1 pH / ORP mV CO2 Controller Meter 0.00~14.00PH Range Water Tester
$122.90 USD
PHTK-160 Digital pH ORP (2 in 1) Controller with Electrodes + CO2 & O3 Relay 110V/220V Water Tester-Tekcoplus Ltd.
PHTK-160 Digital pH ORP (2 in 1) Controller with Electrodes + CO2 & O3 Relay 110V/220V Water Tester-Tekcoplus Ltd.
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PHTK-160 Digital pH ORP (2 in 1) Controller with Electrodes + CO2 & O3 Relay 110V/220V Water Tester
$147.90 USD
PHTK-19 6 in 1 Water Quality Tester Analyzer Pen Type pH EC TDS Salinity Temperature Conductivity-Tekcoplus Ltd.
PHTK-19 6 in 1 Water Quality Tester Analyzer Pen Type pH EC TDS Salinity Temperature Conductivity-Tekcoplus Ltd.
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PHTK-19 6 in 1 Water Quality Tester Analyzer Pen Type pH EC TDS Salinity Temperature Conductivity
$134.90 USD
PHTK-224 PH ORP Temperature Meter 3-in-1 Combo Water Quality Tester Pen Type with ATC-Tekcoplus Ltd.
PHTK-224 PH ORP Temperature Meter 3-in-1 Combo Water Quality Tester Pen Type with ATC-Tekcoplus Ltd.
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PHTK-224 PH ORP Temperature Meter 3-in-1 Combo Water Quality Tester Pen Type with ATC
$71.90 USD
PHTK-239 Portable pH Meter 360° Flexible Display Angle, 0.00~14.00pH Water Quality Tester-Tekcoplus Ltd.
PHTK-239 Portable pH Meter 360° Flexible Display Angle, 0.00~14.00pH Water Quality Tester-Tekcoplus Ltd.
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PHTK-239 Portable pH Meter 360° Flexible Display Angle, 0.00~14.00pH Water Quality Tester

$26.30 USD $20.99 USD

PHTK-241 Pentype pH / EC / Temperature °C/°F Meter Water Quality Tester with ATC High Accuracy-Tekcoplus Ltd.
PHTK-241 Pentype pH / EC / Temperature °C/°F Meter Water Quality Tester with ATC High Accuracy-Tekcoplus Ltd.
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PHTK-241 Pentype pH / EC / Temperature °C/°F Meter Water Quality Tester with ATC High Accuracy
$48.90 USD
PHTK-242 pH EC CF TDS (ppm) Temperature Meter Water Quality Tester Wall-mountable Rechargeable-Tekcoplus Ltd.
PHTK-242 pH EC CF TDS (ppm) Temperature Meter Water Quality Tester Wall-mountable Rechargeable-Tekcoplus Ltd.
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PHTK-242 pH EC CF TDS (ppm) Temperature Meter Water Quality Tester Wall-mountable Rechargeable
$98.90 USD
PHTK-243 6 in 1 Multi-parameter pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Meter Water Quality Tester-Tekcoplus Ltd.
PHTK-243 6 in 1 Multi-parameter pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Meter Water Quality Tester-Tekcoplus Ltd.
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PHTK-243 6 in 1 Multi-parameter pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Meter Water Quality Tester
$113.90 USD
PHTK-244 Dual Display pH & ORP Redox Controller Repleaceable Electrode Water Quality Tester-Tekcoplus Ltd.
PHTK-244 Dual Display pH & ORP Redox Controller Repleaceable Electrode Water Quality Tester-Tekcoplus Ltd.
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PHTK-244 Dual Display pH & ORP Redox Controller Repleaceable Electrode Water Quality Tester
$147.90 USD
PHTK-245 2-in-1 pH & Temperature Meter Replaceable pH Electrode, Dual Display Water Quality Tester
PHTK-245 2-in-1 pH & Temperature Meter Replaceable pH Electrode, Dual Display Water Quality Tester
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PHTK-245 2-in-1 pH & Temperature Meter Replaceable pH Electrode, Dual Display Water Quality Tester
$51.90 USD
PHTK-27 pH and Temperature Meter Digital Display IP67 with 3 Point Calibration Aquariums Aquaculture-Tekcoplus Ltd.
PHTK-27 pH and Temperature Meter Digital Display IP67 with 3 Point Calibration Aquariums Aquaculture-Tekcoplus Ltd.
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PHTK-27 pH and Temperature Meter Digital Display IP67 with 3 Point Calibration Aquariums Aquaculture
$42.70 USD
PHTK-34 Soil pH & Moisture Meter Tester Checker Long Electrode for Farming Vegetable & Flower Garden-Tekcoplus Ltd.
PHTK-34 Soil pH & Moisture Meter Tester Checker Long Electrode for Farming Vegetable & Flower Garden-Tekcoplus Ltd.
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PHTK-34 Soil pH & Moisture Meter Tester Checker Long Electrode for Farming Vegetable & Flower Garden
$75.90 USD
PHTK-35 4 in 1 Soil Moisture Temperature Meter Survey Instrument Measures pH Acidity Garden, Farm-Tekcoplus Ltd.
PHTK-35 4 in 1 Soil Moisture Temperature Meter Survey Instrument Measures pH Acidity Garden, Farm-Tekcoplus Ltd.
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PHTK-35 4 in 1 Soil Moisture Temperature Meter Survey Instrument Measures pH Acidity Garden, Farm
$28.90 USD

Showing: 221 - 240 of 511

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