Double-junction electrodes prevent electrode contamination by solutions that might react with Ag⁺ or Cl^- (heavy metals, organics, and sulfides). Use for measurements up to 13 pH. Withstands temperatures form 23 to 212ºF (-5 to 100ºC).

Note: 100Ω RTD ATC elements conform to DIN curve 43760. ATC connector is miniature audio plug.
Connector for the 1 kΩ RTD and the 3 kΩ Balco ATC elements is a spade lug.
Connector for 100 kΩ thermistor ATC elements is a standard 1/4" phone plug.