Resistive RH Sensor - SYH-2R

  • Resistive RH Sensor
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• ​Wide range of applications
• ​Excellent Reliability
• ​Water proof
• ​RoHS Compliant
• ​Interchangeability

  • Model Number: SYH-2R
  • Data Sheet: Date Sheet File
Quantity:
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Product Specification

Product Summary:

    Industrial grade resistance type humidity sensor: SYH-2R offers cost effective and convenient humidity measurement.

    While maintaining the attractive features such as no-calibration requirement and high interchangeability of resistive type humidity sensor: SYH-1, SYH-2R widens the scope of applications to home appliances, HVAC, and automotive.

    Coated with patented polymer, SYH-2R can be used in demanding environments (-20°C~85°C) with frequent condensing and chemical vapors.

    SYH-2R can be directly connected to µ-com with ADC or RFC converting resistance changes to either voltage or frequency. It can also be modularized to voltage output with oscillator.

 

Features:

• Wide range of applications

• Excellent Reliability

• Water proof

• RoHS Compliant

• Interchangeability

 

Application:

• Energy Saving HVAC Control

• Air Conditioning, Refrigeration, IAQ monitoring, Vent Fans, Home Appliances, Humi /Dehumidifiers

• Process Control & Instrumentations

• Medical Instruments, Handheld Devices, Weather Stations, Food Processing, Printers, RFID

 

Dimensions:

 

Sensor Performance:

Electrical Characteristics

 

Min

Spec

Max

Rated voltage (VRMS)

 

1

5

Rated power (mW)

 

0.26

 

Standard characteristics ()

 

33

 

Operating temperature ()

-20

 

85

Operating humidity (%RH)

10

 

95

Operating Frequency (kHz)

0.1

 

10

Storage temperature ()

-20

 

85

Storage humidity (%RH)

 

 

95

Accuracy (%RH) 1

-3

 

3

Hysteresis (%RH)

-2

 

2

Response time (T80, sec.) 2

 

 

45

Temperature coefficient(%RH/)

 

-0.5


1. Accuracies measured at 25, 60%RH, 1.0VRMS, 1kHz

2. Measured at 25, 1m/sec airflow for achieving 80% of step from 30%RH to 90%RH

 

Reliability

Test

Condition

HTS

85, 1,000 hrs

LTS

-20, 1,000 hrs

THB

85, 85%RH,1,000 hrs, Bias

HC

3090%RH, 25, 100 times

TC

-2085, 100 times

Organic solvent

Benzene, Xylene, Toluene, 300hrs

M/C(drop)

100drop, 3 times

Vibration

X-Y-Z, 10~55Hz, 2hrs

Soldering heat

260±5, 3 sec.

Tensile

500g(4.9N), 10 sec.

Pass Criteria

1. The Resistance Characteristics change from the initial value of each test sample should be less than ±5%RH at 25, 60%RH

2. No extraordinary changes of the sensor i.e. Electrode migration, polymer evaporation, color, breakdown, crack etc.



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