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Help CenterHTF3226LF Frequency Output Temperature and Humidity Sensor
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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.
HTF3226LF Temperature and Humidity Sensor 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
HTF3226LF Temperature and Humidity Sensor APPLICATIONS
• Printers
• Home Appliance
HTF3226LF Temperature and Humidity Sensor 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 |
℃ |
HTF3226LF Temperature and Humidity Sensor 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 |
3 |
% |
|
Beta Value Tolerance |
β |
3 |
% |
||
Response Time |
τ |
10 |
s |
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