Hydrogen reference electrode

for measurements of potentials versus Hydrogen potential - conforming to standards -Low maintance -Leak-free -No diffusion potentials -No contamination of your electrolyte by outflowing ions -Does not contain toxic heavy metals -Suitable for the full pH-range from -2 to 16 -Suitable for temperatures from -30 °C to 200 °C (-20 °F to 390 °F) -Gold-platet socket contact (2 mm) -Replaceable hydrogen source with an operating time of up to 12 months (6 months recommended) -Applicable for long-term tests