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Sensors & Meters

Sale Spider Farmer 5-in-1 pH Hydroponic Meter Kit

Spider Farmer 5-in-1 pH Hydroponic Meter Kit

Spider Farmer

$35.99 $49.99

Sale Bluelab pH Pen

Bluelab pH Pen

Bluelab

$99.00 $119.00

Bluelab Conductivity Pen

Bluelab Conductivity Pen

Bluelab

$99.00

Bluelab pH And Conductivity Starter Pack

Bluelab pH And Conductivity Starter Pack

Bluelab

$199.00

Hanna GroLine Hydroponics Waterproof pH/EC/TDS/Temperature Portable Meter

Hanna GroLine Hydroponics Waterproof pH/EC/TDS/Temperature Portable Meter

HANNA GroLine

$309.99

Link4 Corporation Digital Temperature And Humidity Sensor

Link4 Corporation Digital Temperature And Humidity Sensor

Link4 Corporation

$506.61

HANNA GroLine GroLine Soil pH Tester

HANNA GroLine GroLine Soil pH Tester

HANNA GroLine

$154.99

Mammoth Lighting Par Meter and Spectrometer (Par Meter + Wand)

Mammoth Lighting Par Meter and Spectrometer (Par Meter + Wand)

Mammoth Lighting

$449.95

HANNA GroLine Portable Waterproof pH/EC/TDS Meter (High Range)

HANNA GroLine Portable Waterproof pH/EC/TDS Meter (High Range)

HANNA GroLine

$699.99

HANNA GroLine pH/EC/TDS Multiparameter Probe for use with HI9814

HANNA GroLine pH/EC/TDS Multiparameter Probe for use with HI9814

HANNA GroLine

$184.99

GroLine Hydroponics pH Tester

GroLine Hydroponics pH Tester

HANNA GroLine

$64.99

GroLine Waterproof EC/TDS (ppm) Tester

GroLine Waterproof EC/TDS (ppm) Tester

HANNA GroLine

$109.99

HALO2 GroLine Wireless pH Tester for Soil

HALO2 GroLine Wireless pH Tester for Soil

HANNA GroLine

$164.99

HANNA GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester

HANNA GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester

HANNA GroLine

$249.99

HANNA GroLine Soil Test Direct Soil Conductivity Tester

HANNA GroLine Soil Test Direct Soil Conductivity Tester

HANNA GroLine

$164.99

Bluelab OnePen

Bluelab OnePen

Bluelab

$249.00

HM Digital Replacement pH sensor for PH-200/COM-360

HM Digital Replacement pH sensor for PH-200/COM-360

HM Digital

$44.95

HM Digital Replacement Probe COM-300

HM Digital Replacement Probe COM-300

HM Digital

$62.95

HM Digital Replacement TDS/EC sensor for HM-200

HM Digital Replacement TDS/EC sensor for HM-200

HM Digital

$44.95

HM Digital Pro PH-200 pH Temp Meter

HM Digital Pro PH-200 pH Temp Meter

HM Digital

$99.95

HM Digital Hydromaster HM100 - Continuous pH TDS EC Temp Meter

HM Digital Hydromaster HM100 - Continuous pH TDS EC Temp Meter

HM Digital

$289.95

Bluelab IntelliDose Automated pH And Nutrient Controller Kit

Bluelab IntelliDose Automated pH And Nutrient Controller Kit

Bluelab

$1,399.00

Bluelab Soil pH Pen

Bluelab Soil pH Pen

Bluelab

$199.00

Bluelab Pro Automated pH and Nutrient Controller With WI-Fi

Bluelab Pro Automated pH and Nutrient Controller With WI-Fi

Bluelab

$1,499.00

Bluelab Guardian Monitor In-Line With Wifi

Bluelab Guardian Monitor In-Line With Wifi

Bluelab

$675.00

Bluelab Guardian Monitor With Wi-Fi

Bluelab Guardian Monitor With Wi-Fi

Bluelab

$459.00

Hanna Instruments Multiparameter pH/ORP/EC/Pressure/Temperature Waterproof Meter

Hanna Instruments Multiparameter pH/ORP/EC/Pressure/Temperature Waterproof Meter

HANNA GroLine

$1,424.99

Hanna Instruments Waterproof Portable Dissolved Oxygen and BOD Meter

Hanna Instruments Waterproof Portable Dissolved Oxygen and BOD Meter

HANNA GroLine

$949.99

HANNA GroLine Instruments pH/EC/TDS & Temp Monitor

HANNA GroLine Instruments pH/EC/TDS & Temp Monitor

HANNA GroLine

$459.99

HANNA GroLine pH, EC/TDS Temperature Monitor

HANNA GroLine pH, EC/TDS Temperature Monitor

HANNA GroLine

$629.99

Bluelab pH ProbePlus

Bluelab pH ProbePlus

Bluelab

$49.00

Bluelab pH PenPlus

Bluelab pH PenPlus

Bluelab

$121.00

Dimlux CO2 Sensor for Maxi Controller

Dimlux CO2 Sensor for Maxi Controller

Dimlux

$479.95

Dimlux Infra-Red Plant Temperature Camera

Dimlux Infra-Red Plant Temperature Camera

Dimlux

$194.95

Dimlux Temperature Sensor

Dimlux Temperature Sensor

Dimlux

$34.95

Dimlux Relative Humidity Sensor

Dimlux Relative Humidity Sensor

Dimlux

$34.95

GroLine Digital Refractometer for Brix Measurement in Food

GroLine Digital Refractometer for Brix Measurement in Food

HANNA GroLine

$299.99

GroLine Waterproof Portable pH/EC/TDS/Temperature Hydroponics Meter Kit

GroLine Waterproof Portable pH/EC/TDS/Temperature Hydroponics Meter Kit

HANNA GroLine

$549.99

GroLine amplified pH/Temperature probe with quick connect DIN connector for HI981412

GroLine amplified pH/Temperature probe with quick connect DIN connector for HI981412

HANNA GroLine

$159.99

HANNA GroLine Direct Soil and Soilless Media pH electrode for use with HI9814

HANNA GroLine Direct Soil and Soilless Media pH electrode for use with HI9814

HANNA GroLine

$284.99

GroLine pH/EC/TDS Multiparameter Probe (Inline)

GroLine pH/EC/TDS Multiparameter Probe (Inline)

HANNA GroLine

$369.99

GroLine pH/EC/TDS Multiparameter Probe

GroLine pH/EC/TDS Multiparameter Probe

HANNA GroLine

$214.99

HANNA GroLine pH/EC/TDS/Temperature Probe with CAL Check

HANNA GroLine pH/EC/TDS/Temperature Probe with CAL Check

HANNA GroLine

$174.99

HANNA GroLine pH/EC/TDS Multiparameter Probe with CAL Check

HANNA GroLine pH/EC/TDS Multiparameter Probe with CAL Check

HANNA GroLine

$174.99

HANNA GroLine Pre-amplified pH and EC probe - HI1285-51

HANNA GroLine Pre-amplified pH and EC probe - HI1285-51

HANNA GroLine

$174.99

GroLine Nutrient Tester

GroLine Nutrient Tester

HANNA GroLine

$99.99

GroLine Waterproof Hydroponic pH Tester

GroLine Waterproof Hydroponic pH Tester

HANNA GroLine

$99.99

Bluelab ORP Meter

Bluelab ORP Meter

Bluelab

$219.00

Bluelab Truncheon Nutrient Meter

Bluelab Truncheon Nutrient Meter

Bluelab

$105.00

Bluelab Commercial Truncheon Nutrient Meter

Bluelab Commercial Truncheon Nutrient Meter

Bluelab

$105.00