Get Special Pricing!

QFM4171 | Duct RH and Temp Sensor, 2 percent certified, RH: 4-20 mA T: 4-20 mA | Siemens

This Q-Series Duct Relative Humidity & Temperature Sensor monitors and transmits changes in humidity and temperature to the building control system. This unit is especially suited for applications where precise, stable humidity sensing is required. It has a 2 percent certified accuracy rating, a 4 to 20 mA humidity output signal, and a 4 to 20 mA temperature signal.

The photo is for representation purposes only and may not be a photo of product being purchased.

Search products similar to QFM4171

Jump to: Documents Overview Specifications Reviews

Documents and manuals

Siemens QFM4171 Documents

Datasheet(Duct_sensor QFM41..)Datasheet(Q-Series Duct Relative Humidity and Relative Humidity and Temperature Sensors Technical Specification Sheet)Datasheet(Duct Sensor QFM41xx Series Technical Instructions)Declaration of conformity(EU Declaration of Concormity QFM41xx)Declaration of conformity(RCM Supplier's declaration QAM21... / QFM...)Declaration of conformity(UK Declaration of conformity for QFM41xx)Declaration of conformity(Test report MTBF for QFM... QFA..)Environmental Declaration(Duct sensor for relative humidity and temperature)Installation instruction(Q-Series Relative Humidity (RH) and Relative Humidity and Temperature (RH/T) Duct Sensors Installation Instructions)Mounting instruction(Duct sensor for rel. humidity / temperature QFM... with 0…5 V output)Mounting instruction(Duct sensor for rel. humidity / temperature QFM... w/o 0…5 V output) Installation Instructions More Info

Overview

Details for QFM4171

Duct RH and Temp Sensor, 2 percent certified, RH: 4-20 mA T: 4-20 mA

Specifications

Immersion length: 90…206 mm
Measurement range humidity: 0…100 % r.h.
Measuring range, temperature: 0…50 °C, -35…35 °C, -40…70 °C
Time constant: Humidity: 20 s, Air v=2 m/s: 210 s
Signal output humidity: DC 4...20 mA
Signal output temperature: DC 4...20 mA
Operating voltage: 13.5…35 VDC
Analog outputs: 4-20 mA
Measuring range: Temperature: -40 to 158°F; Humidity: 0 to 100% RH
Measurement accuracy: At 15…35 °C: ±0.6 K, 23 % r.h., 0…100 % r.h.: ±2 % r.h.
Communication: Includes 3-point calibration certificate
Dimensions (W x H x D): 80 x 117 x 39 (274) mm