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Our address: Wishart Group Milewater House 10A Mill Road Ballyclare Co. Antrim BT39 9DY
Wishart Group Milewater House 10A Mill Road Ballyclare Co. Antrim BT39 9DY
Phones: +44(0)2893340889
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pH Meters

Benchtop Benchtop
Buffers Buffers
Portable Portable
Sensors Sensors
Ion standard Na 100 mg/L, 500 mL
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Ion standard Na 100 mg/L, 500 mL
In stock
Ion standard Na 100 mg/L, 500 mL Ion Calibration StandardsReady to Use Precision Standards in Various ConcentrationsSodium ISE standard solution 100 mg/L, 500 mLAll METTLER TOLEDO's ISE standards are traceable to certified international standar..
£113.50
Ion standard NH4 100 mg/L, 500 mL
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Ion standard NH4 100 mg/L, 500 mL
In stock
Ion standard NH4 100 mg/L, 500 mL Ion Calibration StandardsReady to Use Precision Standards in Various ConcentrationsAmmonium ISE standard solution 100 mg/L, 500 mLAll METTLER TOLEDO's ISE standards are traceable to certified international stan..
£121.50
Ion standard NH4 1000 mg/L, 500 mL
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Ion standard NH4 1000 mg/L, 500 mL
In stock
Ion standard NH4 1000 mg/L, 500 mL Ion Calibration StandardsReady to Use Precision Standards in Various ConcentrationsAmmonium ISE standard solution 1000 mg/L, 500 mLAll METTLER TOLEDO's ISE standards are traceable to certified international st..
£124.50
Ionic Strength Adjuster for Solid State Ion Selective Electrodes 475 ml
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Ionic Strength Adjuster for Solid State Ion Selective Electrodes 475 ml
In stock
Ionic Strength Adjuster for Solid State Ion Selective Electrodes    475 ml Solutions for perfectION™ Combined ISEsElectrolytes and Ionic Strenght Adjustment Solution ISA solution: Solid state ISE (chloride, copper, iodide, silve..
£113.50
ISA Alu Sulfate Solution, 250mL
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ISA Alu Sulfate Solution, 250mL
In stock
ISA Alu Sulfate Solution, 250mL Solutions for DX Series ISE Half-cellsElectrolytes and Ionic Strenght Adjustment SolutionISA solution: 0.9 mol/L Al2(SO4)3)The correct electrolyte will minimize junction potentials and provide optimum temperature..
£91.20
KCl 3M Electrolyte, 250mL
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KCl 3M Electrolyte, 250mL
In stock
KCl 3M Electrolyte, 250mL Electrolytes for pH and ORPThe Right Electrolyte for Every ApplicationKCl-solution 3 mol/L for ARGENTHAL™ reference systems, 250 mLThe correct electrolyte will minimize junction potentials and provide optimum temperatu..
£26.90
KCl 3M Electrolyte, 6X250mL
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KCl 3M Electrolyte, 6X250mL
In stock
KCl 3M Electrolyte, 6X250mL Electrolytes for pH and ORPThe Right Electrolyte for Every ApplicationKCl-solution 3 mol/L for ARGENTHAL™ reference systems, 6 x 250 mLThe correct electrolyte will minimize junction potentials and provide optimum tem..
£82.90
KCl Sat AgCl Electrolyte, 250mL
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KCl Sat AgCl Electrolyte, 250mL
In stock
KCl Sat AgCl Electrolyte, 250mL Electrolytes for pH and ORPThe Right Electrolyte for Every ApplicationKCl-solution 3 mol/L, AgCl saturated , for Ag/Cl reference systems, 250 mLThe correct electrolyte will minimize junction potentials and provide ..
£26.20
KCl Sat AgCl Electrolyte, 6x250mL
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KCl Sat AgCl Electrolyte, 6x250mL
In stock
KCl Sat AgCl Electrolyte, 6x250mL Electrolytes for pH and ORPThe Right Electrolyte for Every ApplicationKCl-solution 3 mol/L, AgCl saturated , for Ag/Cl reference systems, 6 x 250 mLThe correct electrolyte will minimize junction potentials and ..
£84.70
KNO3 1M Electrolyte, 250mL
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KNO3 1M Electrolyte, 250mL
In stock
KNO3 1M Electrolyte, 250mL Electrolytes for pH and ORPThe Right Electrolyte for Every ApplicationKCl-solution 3 mol/L for ARGENTHAL™ reference systems, 250 mLThe correct electrolyte will minimize junction potentials and provide optimum temper..
£30.40
KNO3 1M Electrolyte, 6X250mL
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KNO3 1M Electrolyte, 6X250mL
In stock
KNO3 1M Electrolyte, 6X250mL Electrolytes for pH and ORPThe Right Electrolyte for Every ApplicationThe correct electrolyte will minimize junction potentials and provide optimum temperature and time response. To achieve good electrode performa..
£91.70
LE407-DIN pH electrode, 1.0 m cable, DIN connector
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LE407-DIN pH electrode, 1.0 m cable, DIN connector
In stock
Cable Type: 1.0 m; DIN ISM: NO Shaft : Plastic Shaft Diameter (mm): 12 mm shaft length (mm): 120 mm
pH Electrode LE407-DIN 2-in-1 The maintenance-free gel-filled electrode with POM shaft is robust and good for general application!Special features:Unbreakable, chemically resistant POM shaftTwo nylon diaphragm..
£67.30
LE409-DIN pH electrode with glass shaft, 1.0 m cable, DIN connector
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LE409-DIN pH electrode with glass shaft, 1.0 m cable, DIN connector
In stock
Cable Type: 1.0 m; DIN ISM: NO Shaft : Glass Shaft Diameter (mm): 12 mm shaft length (mm): 120 mm
pH Electrode LE409-DIN 2-in-1 Refillable pH electrode with glass shaft, accurate and fast measurements for a wide range of sample types.Special featuresSuitable for dirty solutionsRefillable reference electrolyte..
£80.70
LE410 3-in-1 glass electrode with integrated temperature sensor
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LE410 3-in-1 glass electrode with integrated temperature sensor
In stock
Cable Type: 1.0 m; BNC/Cinch ISM: NO Shaft : Glass Shaft Diameter (mm): 12 mm shaft length (mm): 120 mm
pH Electrode LE410 3-in-1 Refillable glass pH electrode with integrated temperature probe, accurate and fast measurements for a wide range of sample types.Special featuresFast measurement in aqueous solutionIntegrated temperature probeRefillable ..
£258.00
LE420-DIN pH Electrode with PTFE sleeve, 1.0 m cable, DIN connector
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LE420-DIN pH Electrode with PTFE sleeve, 1.0 m cable, DIN connector
In stock
Cable Type: 1.0 m; DIN ISM: NO Shaft : Glass Shaft Diameter (mm): 12 mm shaft length (mm): 120 mm
pH Electrode LE420-DIN 2-in-1 The movable PTFE sleeve junction makes the LE420-DIN the right choice for emulsions, TRIS buffers and any other challenging application.Special featuresMovable PTFE reference junctionSuitable for low hydrogen concentrat..
£120.00
LE422 (4.3 mm diameter entry-level micro sensor)
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LE422 (4.3 mm diameter entry-level micro sensor)
In stock
Cable Type: 1.0 m; BNC ISM: NO Shaft : Glass Shaft Diameter (mm): 4.3 mm shaft length (mm): 90 mm
pH Electrode LE422 Micro pH electrode with gel electrolyte filling. Specially designed for measuring in small or narrow neck vessels or test tubes.Special featuresShaft diameter of 4.3 mmLow maintenance..
£197.50
LE611 DO SENSOR 1.1M CABLE LENGTH
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LE611 DO SENSOR 1.1M CABLE LENGTH
In stock
Cable Type: 1.0 m; BNC ISM: NO Shaft : Plastic Shaft Diameter (mm): 12 mm shaft length (mm): 120 mm
DO Sensor LE611 Galvanic dissolved oxygen sensor - robust and easy, for FG4 only .Special featuresMeasurement range: 0 - 200 %, 0 - 20 mg/L ..
£285.00
LE612 DO SENSOR 5.0 M CABLE LENGTH
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LE612 DO SENSOR 5.0 M CABLE LENGTH
In stock
Cable Type: 5.0 m, BNC ISM: NO Shaft : Plastic Shaft Diameter (mm): 12 mm shaft length (mm): 120 mm
DO Sensor LE612 Galvanic dissolved oxygen sensor - robust and easy, for FG4 only .Special features Measurement range: 0 - 200 %, 0 - 20 mg/L ..
£306.00
LE621 Galvanic DO sensor with NTC temperature probe. 1.0 m cable.
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LE621 Galvanic DO sensor with NTC temperature probe. 1.0 m cable.
In stock
Cable Type: 1.1 m, BNC / Cinch ISM: NO Shaft : Plastic Shaft Diameter (mm): 12 mm shaft length (mm): 120 mm
DO Sensor LE621 With integrated temperature sensor, this galvanic dissolved oxygen sensor provides a really easy way to measure DO. For FG4 only.Special featuresMeasurement range: 0 - 200 %, 0 - 20 mg/L..
£383.00
LE622 Galvanic DO sensor with NTC temperature probe. 5.0 m cable.
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LE622 Galvanic DO sensor with NTC temperature probe. 5.0 m cable.
In stock
Cable Type: 5.0 m, BNC / Cinch ISM: NO Shaft : Plastic Shaft Diameter (mm): 12 mm shaft length (mm): 120 mm
DO Sensor LE622 With integrated temperature sensor, this galvanic dissolved oxygen sensor provides a really easy way to measure DO. For FG4 only.Special featuresMeasurement range: 0 - 200 %, 0 - 20 mg/L..
£348.00
Lead ISE standad solution, 1000 mg/L 500mL
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Lead ISE standad solution, 1000 mg/L 500mL
In stock
Lead ISE standad solution, 1000 mg/L    500mL Ion Calibration StandardsReady to Use Precision Standards in Various ConcentrationsLead ISE standard solution 1000 mg/L, 500 mLAll METTLER TOLEDO's ISE standards are traceable to certif..
£137.50
LiCl 1M/EtOH Electrolyte, 6X30mL
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LiCl 1M/EtOH Electrolyte, 6X30mL
In stock
LiCl 1M/EtOH Electrolyte, 6X30mL Electrolytes for pH and ORPThe Right Electrolyte for Every ApplicationLiCl Solution 1 mol/L in ethanol, for measurement in non-aqueous media, 6 x 30 mLThe correct electrolyte will minimize junction potentials and ..
£109.50
Membrane kit for Barium ISE (1 membrane + electrolyte)
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Membrane kit for Barium ISE (1 membrane + electrolyte)
In stock
Ion-Selective and Gas Sensitive ElectrodesIon-Selective and Gas Sensitive Electrodes (Half-Cells)Concentration and activity determinationMETTLER TOLEDO offers one of the most comprehensive ISE portfolios in themarket, covering 19 ion species and 3 ga..
£575.00
Membrane kit for Cadmium ISE (1 membrane + electrolyte)
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Membrane kit for Cadmium ISE (1 membrane + electrolyte)
In stock
Ion-Selective and Gas Sensitive ElectrodesIon-Selective and Gas Sensitive Electrodes (Half-Cells)Concentration and activity determinationMETTLER TOLEDO offers one of the most comprehensive ISE portfolios in themarket, covering 19 ion species and 3 ga..
£575.00
pH Meters

pH meters and ion meters measure the water quality parameters critical to many laboratory, industrial, chemical, and processing applications. Whether you are performing water analysis in the lab or field, we have the pH meter to meet your needs.