Testo-0636-9835-Pressure-Dewpoint-Sensor-Testo-0636-9835-P-The-Testo-0636-9835-is-a-Pressure-Dewpoint-Sensor-for-measurements-in-compressed-air-systems-The-standard-probe-0636-9835-is-sufficient-for-most-measurements-in-compressed-air-piping-e-g-refrigeration-dryers-in-the-range-from-0-deg-C-to-2-deg-C-P-P-The-probe-is-connected-to-the-compressed-air-system-via-a-standard-plug-in-connector-G1-4-inch-internal-thread-to-ISO-228-1-or-via-a-screw-on-adaptor-for-measurements-at-test-point