Humidity sensor with excellent durability of ±2% RH! A compact and aesthetically pleasing temperature and humidity converter.
The "testo 6621" is a compact and stylishly designed temperature and humidity transmitter. It is available in wall-mounted types, including built-in sensor types, protruding types, and duct types, allowing you to choose between models with or without a display and with or without a logo, depending on the installation location. Additionally, we also offer the "testo 6651," which features a digital probe with a humidity accuracy of ±1.7% RH. 【Features】 ■ Durable humidity sensor with ±2% RH accuracy ■ Adjustable and span adjustment available with optional software ■ Compact and stylish design *For more details, please download the PDF or feel free to contact us.
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basic information
【testo 6651 Features】 ■ Humidity sensor with excellent durability of ±1.7% RH ■ Digital probe with system calibration capability ■ Compatible with environments up to 120°C ■ 2-channel analog output (temperature, humidity, dew point temperature) ■ Contact output option ■ Ethernet compatible (optional) *For more details, please download the PDF or feel free to contact us.
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P2
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Company information
Testo SE & Co. KGaA is a German global company with 37 local subsidiaries and affiliated companies worldwide, and it forms a network of agents in other regions. Since its establishment in 1957, it has focused on the research and development of portable environmental measuring instruments, releasing products that meet market needs. By proposing high-precision environmental measuring instruments and data management solutions, it has received high acclaim in a wide range of fields, including energy conservation, safety management, environmental protection, and food & healthcare. In Japan, it not only sells measuring instruments but also has established service centers to provide prompt maintenance and the issuance of calibration certificates.