The Setra SRH20011W1NNMFMAAA is a factory-configured Setra Model SRH200 humidity and temperature transmitter, set up as a wall-mount unit with a fixed probe, one sensor port, and a membrane filter, giving readings in metric units. It’s a cost-effective humidity and temperature sensor built around a capacitive sensing element with good long-term stability and resistance to pollutants, which the membrane filter option on this unit is meant to help with in dirtier air.
In actual application, this unit outputs a 4-20mA analog signal, and the housing is rated IP65/NEMA4 with quarter-turn bayonet screws for a quick, low-cost installation. From our experience, this is the kind of transmitter used in general room humidity monitoring where the reading is simply fed back to a central controller.
Setra also offers optional configuration accessories (SETRAPCA1 and SETRAPCA2) that let you set custom output scaling or do a one or two point field adjustment of the RH and temperature reading, which is handy if you need to recalibrate on site without sending the unit back.
Before we quote this, we would normally check whether the membrane filter is the right option for your room air quality, the accuracy class you need, and whether analog or RS485 (BACnet/Modbus) output suits your system better. Hope this helps.
