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FlaTrode pH Electrodes

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A pH electrode with a true flat membrane for surface measurements such as paper, agar plates or even skin. The robust plastic shaft with a ring diaphragm guarantees quick response though enhanced contact between the sample and reference.


  • Fast response time because of enhanced contact between sample and reference
  • The real flat membrane makes this pH electrode ideal for measurments on surfaces like paper, agar plates or skin
  • Maintenance-free
  • Serial number, certificate

a-length: 120 mm

Electrical Connector: S7

Measurement Principle: Combination electrode; pH potential measured against reference

Measuring Range: pH 0 to 14

Sensitivity: 57 to 59 mV / pH at 25 °C

Zero Point: 0 ± 20 mV

pH Glass: Hamilton Type HF Glass

pH Glass Resistance: Moderate

Membrane Shape: Flat

Diaphragm: Single Pore ring

Number of Diaphragms: 1

Electrolyte: Polisolve

Reference System: Hamilton Everef

Temperature Sensor: No

Minimum Immersion depth: 1 mm

Diameter: 12 mm

Wetted Parts: Glass; SAN (Polystyrene-Acrylonitrile)

Serial Number: Yes

Recommended Storage: Hamilton Storage Solution or 3 M KCl

Certificate: Yes, with measured values in Buffer pH 4.01 and pH 7.00

Operating Temperature Range: 0 to 60 °C

Pressure Range bar g: Atmospheric pressure

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FlaTrode pH Sensor, S7 Connector
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