The Testo 0636 9735 is a Duct Humidity/ Temperature Probe. It has been designed to work with the 435 Series HVAC and Indoor Air Quality meters, to measure the humidity and temperature levels in an indoor location. The 0636 9735 probe has a diameter of 0.5 inches for the tip. * Measuring Range: -4°F to +160°F * 0 to +100% RH * Accuracy ±0.5°F * ±2% RH (+2 to +98% RH) * 0.5 inch diameter probe tip * Manufacturer's part: Testo 0636 9735 https://elecena.pl/product/27719600/testo-0636-9735-temperature-moisture-probe 2025-01-19 https://elecena.pl/product/27719600/testo-0636-9735-temperature-moisture-probe 2025-03-30 https://elecena.pl/product/27719600/testo-0636-9735-temperature-moisture-probe 2025-05-15 https://elecena.pl/product/27719600/testo-0636-9735-temperature-moisture-probe 2025-07-30 https://elecena.pl/product/27719600/testo-0636-9735-temperature-moisture-probe 2025-08-19 https://elecena.pl/product/27719600/testo-0636-9735-temperature-moisture-probe 2025-09-30 https://elecena.pl/product/27719600/testo-0636-9735-temperature-moisture-probe 2026-03-07 https://elecena.pl/product/27719600/testo-0636-9735-temperature-moisture-probe 2026-03-31