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Dr.meter Long Probe Soil Moisture Meter Green + BlueAmazon$118.00
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Divolight Water Tester PH Meter, Digital PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium Water PH Tester Design with ATCAmazon$2,018.51
OAKTON PH 600 pH Meter Kit with CalibrationGlobal Test Supply$298.00
Static Meter FMX-004 Electrostatic Field Meter ESD Test Meter FMX004 Electrostatic Tester Measuring Range 0 to ±1.49KVAmazon$1,121.43
OAKTON PH 450 pH Meter Kit with CalibrationGlobal Test Supply$446.79
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Testo 635-2 Thermo-Hygrometer/Moisture MeterGlobal Test Supply$585.92
OAKTON PH 700 Benchtop pH Meter and ElectrodeGlobal Test Supply$44.99
Saltwater Meter Salinity Meter Digital Water Tester Hydrometer Ideal for Hydroponics Aquarium Fish Pond Aquaculture High Accuracy Pen Type Meter Specific Gravity(SG) Salinity and Temperature 3 in 1Amazon$49.49
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OAKTON PH 600 pH Meter with CalibrationGlobal Test Supply$1,660.76
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OAKTON PH 700 Benchtop pH Meter and Electrode Holder with CalibrationGlobal Test SupplySAVE $2.70
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0-14 PH Analytical Surver Electrode PH Probe BNC Plug Connector for Aquarium PH Meter Controller Gib Digital PH Sensor ElectrodeAmazonSAVE $79.10
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bluelab pH Pen-Digital pH Tester - Hand-Held Meter - Measures pH & Temperature in Solutions and SoilAliExpress$924.82
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Jonathan Green (11100) Pro pH & Moisture Soil Tester - 2-in-1 Soil pH & Soil Moisture MeterAmazon$12.99
VIVOSUN PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium, with ATC, Army GreenAmazonSAVE $49.92
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General Tools RHMG650 9-In-1 Thermo-Hygrometer with Pin/Pinless Moisture MeterAmazon$475.00
MadgeTech pH-Rugged Electrode Submersion pH Electrode CPVCGlobal Test Supply$1,424.64
OAKTON PH 600 pH MeterGlobal Test SupplySAVE $23.14
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General Tools Digital Soil Moisture Meter,With Probe Dsmm500 - AllSHOP.COMSAVE $1.94
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Waterproof Digital Pen Type Multiparameter Water Quality Tester Kit 6-in-1 (pH ORP TDS Salinity Conductivity EC Temperature Meter) with Replaceable ORP Probe for Testing Aquarium and Drinking WaterAmazonSAVE $15.69
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$18.99Dr.meter Long Probe Soil Moisture Meter Green + BlueAmazon