The Model AHT-200-02 from Ohmic Instruments Inc., Easton, MD, is an absolute humidity transmitter than uses thermal conductivity to measure moisture or other gaseous content at temperatures up to 200°C. Measurement range is 0-130 g/m3 (0%–100% RH at 60°C) and outputs are 0–5 VDC, 0–10 VDC, or 4–20 mA. The sensor is washable and easy to clean and is supplied with a 27 in. high-temperature cable. The device is suited for use in high-temperature and corrosive applications such as chemical processing, drying wood, paper, textiles, and food products.
Ohmic Instruments Inc.