Frequency Output Temperature and Humidity Sensor - HTF3226LF

• Full Lead free product
• Calibrated within +/-5% @55%RH
• Small size and very cost effective
• Miniature connector (JST)
• 10kOhms +/-3% NTC temperature sensor (1% optional)
• The best combination of cost effectiveness and performance
• Stable, linear proportional frequency output from 10% to 95%RH
• Stable and reproducible characteristics with temperature
• High reliability and long term stability

  • Model Number: HTF3226LF
  • Data Sheet: Date Sheet File
Quantity:
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  • Frequency Output Temperature and Humidity Sensor
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Product Specification

Temperature and Humidity Sensor HTF3226LF DESCRIPTION
Based on the rugged HS1101LF humidity sensor, HTF3226LF is a dedicated humidity and temperature transducer designed for OEM applications where a reliable and accurate measurement is needed. It features a miniature connector for easy, cost-effective mechanical mounting. Direct interface with a micro-controller is made possible with the module’s linear frequency output. 

Temperature and Humidity Sensor HTF3226LF FEATURES
• Full Lead free product
• Calibrated within +/-5% @55%RH
• Small size and very cost effective
• Miniature connector (JST)
• 10kOhms +/-3% NTC temperature sensor (1% optional) 
• The best combination of cost effectiveness and performance
• Stable, linear proportional frequency output from 10% to 95%RH
• Stable and reproducible characteristics with temperature

• High reliability and long term stability

Humidity Sensor Specific Features

• Instantaneous de-saturation after long periods in saturation phase
• Fast response time
• High resistance to chemicals
• Not affected by water immersion
• Patented solid polymer structure

Temperature Sensor Specific Features

• High quality thermistor
• Stable
• High sensitivity

Temperature and Humidity Sensor HTF3226LF APPLICATIONS
• Printers
• Home Appliance


Temperature and Humidity Sensor HTF3226LF PERFORMANCE SPECS MAXIMUM RATINGS

Ratings

Symbol

Value

Unit

Storage Temperature

Tstg

-40 to 85

Storage Humidity

RHstg

0 to 100

% RH

Supply Voltage (Peak)

Vs

7

Vdc

Humidity Operating Range

RH

0 to 99

% RH

Temperature Operating Range

Ta

-30 to 85


Temperature and Humidity Sensor HTF3226LF ELECTRICAL CHARACTERISTICS

 (Ta=25°C, Vs=5Vdc +/-5%, RL>100kΩ unless otherwise stated)

Humidity Characteristics

Symbol

Min

Typ

Max

Unit

Humidity Measuring Range

RH

1


100

%RH

Relative Humidity Accuracy (0 to95% RH)

RH


+/-5

+/-10

%RH

Supply Voltage

Vs

4.75

5.00

5.25

Vdc

Nominal Output @55%RH

Fout

8670

8750

8830

Hz

Current consumption

Ic



0.1

mA

Temperature Coefficient (0 to 60°C)
Tcc

-0.2

%RH/°C

Average Sensitivity from33% to75%RH

∆Fout/∆RH

-13

-14

-16

Hz/%RH

Recovery time after 150 hours of condensation

tr


10


s

Humidity Hysteresis




+/-1

%RH

Long Term Stability

T


+/-0.5


%RH/yr

Time Constant (at 63% of signal, static) 33% to 76%RH

τ



10

s


Temperature Characteristics

Symbol

Min

Typ

Max

Unit

Nominal Resistance @25°C

R


10


kΩ

Beta value: B25/100

β

3600

3730

3800


Temperature Measuring Range

Ta

-30


80

°C

Nominal Resistance Tolerance @25°C

RN


2

%

Beta Value Tolerance

β


3


%

Response Time

τ


10


s


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