TRUEscience⏳pH MetersLabsales Presents TRUEscience PH 10 Buffer Solution For Calibration of your PH Pen, meter or electrodes, Lab Grade Buffer, 1L$153.99View
TRUEscience⏳pH MetersLabsales Presents TRUEscience PH 4 Red Buffer Solution For Calibration of your PH Pen, meter or electrodes, Lab Grade Buffer, 500ml$84.99View
Apera Instruments⏳pH MetersApera Instruments SX620 pH Pen Tester Kit (with 0.01 pH accuracy, 3-point Auto. Calibration ATC 0-60˚C)$295.99View
G⏳pH MetersGreentest eco 5+ Fish Digital Food Nitrate Tester, Drinking Water Quality TDS PPM Meter, Radiation Detector Geiger Counter for Fruit,Vegetable,Meat Fish$385.99View
Fdit⏳pH MetersFdit PH Tester, Digital Water PH Meter Tester Portable Waterproof for Pool Drinks Aquarium (Black+Yellow)$38.99View
Apera Instruments⏳pH MetersApera Instruments 201DJ-C Double Junction Combined pH Electrode, AI3115$136.99View
Apera Instruments⏳pH MetersApera Instruments PH700 Benchtop Lab pH Meter, 0.01 pH Accuracy, 1-3 Points Auto Calibration, 3-in-1 pH/Temp. Electrode$784.99View
Apera Instruments✓pH MetersApera Instruments AI1302 201T-F 3-in-1 pH/Temperature Electrode$203.99View
Yosoo⏳pH MetersYosoo Ph/Ec/Temp Meter Professional 3 In 1 Portable High Accuracy Handheld Pen Testing Water Pen Quality Tester Meter (White)$76.99View
Preciva⏳pH MetersPH Meter Tester, Preciva 0.01 Resolution Digital Automatic Water PH Meters Hydroponics Pen with LCD Screen Large Backlit for Kitchen, Aquarium,Pool, Laboratory with Calibration Powder$55.99View
Jenway⏳pH MetersJenway 351001 Benchtop pH Meter, Model 3510 supplied with pH electrode stand and holder ATC probe BNC shorting plug pH4 7 and 10 buffer sachets and UK power supply$2768.99View
Filtri Acqua Italia⏳pH MetersTitrant Water Hardness Analysis Kit (French Degrees) for Misurarae Limestone$45.99View
Apera Instruments✓pH MetersApera Instruments AI3201 pH Electrode for SX811-SS Portable pH Meter, LabSen 753, Stainless Steel Spear, 2" Height, 2" Wide, 6" Length$650.99View
TEKCOPLUS⏳pH MetersTEKCOPLUS 6 in 1 Water Quality Tester Salt Combo analyzer Pen Type pH ORP EC TDS Salinity Temperature Conductivity Tester Meter with ORP Electrode$511.99View
Apera Instruments✓pH MetersApera Instruments AI1205 pH Pocket Tester, Replacement Probe for PH60S★★★★★4.1$371.99View
Apera Instruments⏳pH MetersApera Instruments AI1211 pH/Conductivity Tester, Replacement Probe for PC60 Pocket$178.99View
Apera Instruments✓pH MetersApera Instruments PH60F Premium pH Pocket Tester, Replaceable Flat Electrode for fabric/paper/skin pH Testing, ±0.01 pH Accuracy, -2.00-16.00 pH Range, ±0.5°C Temperature Sensor$309.99View
Apera Instruments⏳pH MetersApera Instruments SX610 pH Meter, Pen Tester, Waterproof , ±0.1 pH Accuracy, 0-14 pH Range, ±0.5°C Temperature Sensor$175.99View
Apera Instruments⏳pH MetersApera Instruments PH60 Premium pH Meter, Pocket Tester, replaceable probe, ±0.01 pH Accuracy, -2.00-16.00 pH Range, ±0.5°C Temperature Sensor$267.99View