pH electrode LE422

Mettler Toledo

Regular price $226.20 [Price Match]

SKU: 30089747


pH electrode LE422

Ideal for measuring small volumes of culture media in embryo culture incubators for pH quality control.

Requires a Mettler Toledo pH Meter.

LE Sensor - Affordable and Reliable. Micro pH electrode with gel electrolyte, suitable for small samples in vials and test tubes; low-maintenance; 4.3 mm diameter

Optimized shaft-shape for small samples

The slim shaft diameter allows measurements of very small sample volumes in vials or test tubes

Steady companions

With a diameter of 4.3mm this combinded pH electrode is suitable for a wide range of temperature, 1.0 m cable, BNC.

Measuring range pH 0 – 14
Temperature Range 0 °C – 80 °C
Connector BNC
Type of junction Ceramic
Shaft Material Glass
Sensor Type Combined electrode
Shaft length 90 mm
Shaft Diameter 4.3 mm
Cable (Length) 1 m
Parameter pH
Reference System Ag/AgCl
Reference electrolyte Gel
Membrane glass U
Membrane resistance (25°C) < 250 MΩ
Temperature probe No
For portable meter No
Maintenance-free Yes
Signal type Analog
Sample Small samples
Cable and connectors 1.0 m BNC
Base Unit Temperature Range (Metric)–

0 °C – 80 °C


Mfr. No. 30089747 pH electrode LE422. Sold Individually.

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