Available from Alvi Technologies , the FT61 room humidity and temperature transmitter features a built-in capacitive humidity and temperature sensor for use in clean rooms, ventilation rooms and fire smoke pressurisation/ isolation rooms.

Incorporating an LCD display with colour change backlighting as clean room signal light, the FT61 room humidity and temperature transmitter offers long term stability without needing frequent calibration. An integrated control system is provided for zero calibration setting without any need for a PC or laptop, backed by in-situ adjustment and password protection.

The FT61 room humidity and temperature transmitters offer a humidity measuring range of 20-85% and temperature measuring range of -25°C to +85°C.

A 3-wire device with analogue output 4-20 mA, 0-10V for PLC, SCADA and BMS, the transmitter incorporates two solid state relay contacts for switching, works on 24 V DC/AC and comes in IP 65 weatherproof protection.