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Produits»Setra»Chauffage, climatisation, ventillation et réfrégiration»Humidity Temperature Transmitters
 
Relative Humidity Temperature Transmitter (Model SRH)
Fabricant: Setra
 
Commençant à: $159.00 (USD)
Stock Status: Some articles are in stock – click Add to Shopping Cart to confirm availability.

This Humidity Series product line is designed to measure relative humidity in a room, duct or outside and is available in accuracies of 2%, 3%, and 5%. The SRH Series features a replaceable sensor tip that ensures an accurate, calibrated, and cost effective humidity control system.


This humidity sensor family consists of a wall display, duct mount, and outside air unit.  This product line is designed to complement Setra's pressure transducers and current switches while expanding the solution opportunities for the HVAC/building automation market and other relative humidity monitoring applications.  All models provide excellent reliability via a unique and established ASIC that is also used in Setra pressure transducers.  Also, this robust, proven capacitive sensor technology is capable of full-scale 0 to 100% RH measurement.


The field-replaceable sensor tips are easily removed in all three models, allowing the end user to replace the sensors on-site. This essentially eliminates time consuming and costly factory calibration, while reducing downtime during service intervals.  Additionally, the duct mount probe is easily accessed by removing the front cover, pulling out the sensor board assembly, and replacing the sensor tip.  This further contributes to a more user-friendly, lower cost product line that is focused on customer needs and ease of use.  


These humidity sensors are designed to complement its pressure and current products, thereby, providing customers with a complete line of sensors for all of their HVAC needs. 

Relative Humidity Temperature Transmitter
 

Applications

  • HVAC/R Control
  • Indoor Air Quality (IAQ)
  • Laboratories
  • Antiquities Preservation

 
Model SRH Specifications
Humidity Operating Range

0 to 100% RH

Accuracy (@23°C)

2%, 3%, or 5% available

Long Term Stability

<1%/Year @ 68°F (20°C), 50% RH

User Selectable Electrical Output: Voltage   (3-Wire)

0 to 5 VDC
0 to 10 VDC

Electrical Output: Current (2-Wire)

4 to 20 mA
 

Excitation 13.5 to 30 VDC (10 VDC Output)
12 to30 VDC (4-20 mA, 5 VDC Output)
Model Configuration Wall Mount
Duct Mount
Outside Air Mount
Operating Temperature -40 to 140° F (-40 to 60° C)
Storage Temperature -40 to 158° F (-40 to 70° C)
Electrical Connection Pluggable Terminal Block
Temperature Sensing Option
Passive
   T1: Thermistor NTC 10K ¿ @ 77°F/25°C (Direct Connect) Type II
   T2: Passive RTD 1000 ¿ @ 32°F/0°C (Direct Connect) 385 Platinum Curve
Active
  T3: Range °F (°C) -58 to 140 (-50 to 60)
         Accuracy@ 68°F (20°C) Typ. @ 50% ±1.1 (±0.6) ((Excitation 24 VDC +10%)
  T5: Range °F (°C) +14 to 140 (-10 to 60)
        Accuracy @ 68°F (20°C) Typ. @ 50% ±0.7 (±0.4) (Excitation 24 VDC +10%)
Signal Output Options Includes humidity output
Current (2-Wire) 4 to 20 mA
Field Selectable Voltage (4-Wire) 0 to 5 VDC, 0 to 10 VDC

Replacement Sensor Assembly P/N SRH3

Accuracy 2%, 3%, or 5%
Temperature Outputs None (RH Only)
10K ¿Thermister (Passive)
1000 ¿ RTD (Passive
-58 to 140°F  (-50 to 60°C (Active)
+14 to 140°F (-10 to 60°C (Active)


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