Relative Humidity Sensor Module Voltage Output - HTM226LF

• Full Lead free product
• Calibrated within +/-5% @55%RH at 5Vdc
• Small size and very cost effective
• 50kOhms +/-3% NTC temperature sensor @25°C
• The best combination of cost effectiveness and performance
• Stable, linear proportional voltage output from 0% to 95%RH
• Stable and reproducible characteristics with temperature
• High reliability and long term stability

  • Model Number: HTM226LF
  • Data Sheet: Date Sheet File
Quantity:
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  • Relative Humidity Sensor Module Voltage Output
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Product Specification

Relative humidity sensor module HTM226LF

DESCRIPTION
Based on the rugged HS24LF resisitive humidity sensor, HTM226LF is a dedicated humidity and temperature transducer designed for OEM applications where a reliable and accurate measurement is needed. It features a very small size for easy, cost-effective mechanical mounting. Direct interface with a micro-controller is made possible with the nodule’s linear voltage output. 

FEATURES
• Full Lead free product
• Calibrated within +/-5% @55%RH at 5Vdc
• Small size and very cost effective
• Miniature connector (JST)
• 50kOhms +/-3% NTC temperature sensor @25°C
• The best combination of cost effectiveness and performance
• Stable, linear proportional voltage output from 0% to 95%RH
• Stable and reproducible characteristics with temperature
• High reliability and long term stability

APPLICATIONS
• Air condition, Humidifier, Dehumidifier 
• Humidity controller, Humidity transmitter 
• Hygrometer, Hygro-recorder 
• Copying machine 
• Clock, Weather-forecast barometer


PERFORMANCE SPECS
MAXIMUM RATINGS

Ratings

Symbol

Value

Unit

Storage Temperature

Tstg

-20 to 80

Storage Humidity

RHstg

0 to 100

% RH

Supply Voltage (Peak)

Vs

16

Vdc

Humidity Operating Range

RH

0 to 95

% RH

Temperature Operating Range

Ta

-20 to 60


ELECTRICAL CHARACTERISTICS
(Ta=25°C, Vs=5Vdc +/-5%) 

Humidity Characteristics

Symbol

Min

Typ

Max

Unit

Humidity Metrology Range

RH

20

 

85

%RH

Relative Humidity Accuracy (@25℃,55%RH, Vcc= 5Vdc)

RH

 

+/-5

 

%RH

Supply Voltage

Vs

4.75

5.00

5.25

Vdc

Nominal Output @55%RH

Vout

1650

1815

1980

mV

Current consumption

Ic

 

2

5

mA

Average Sensitivity from 33% to 75%RH

ΔVout/ΔRH

30

33

35

mV/%RH

Temperature coefficient (10℃to 40℃)

Tcc

 

-0.1

 

mV/℃


(Ta=25°C)

Temperature Characteristics

Symbol

Min

Typ

Max

Unit

Nominal Resistance @25°C

R

48.5

50.0

51.5

kΩ

Beta value: B25/85

β

3930

4050

4170

K

Temperature Measuring Range

Ta

-20

 

80

°C

Nominal Resistance Tolerance @25°C

RN

 

3

 

%

Beta Value Tolerance

β

 

3

 

%

Response Time

τ

 

10

 


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