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Temperature and Relative Humidity Sensor Module
HTF3000LF Temperature and Humidity Sensor Module Description:
Based on the rugged HS1101LF humidity sensor, HTF3000LF 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 module’s linear frequency output.
HTF3000LF Temperature and Humidity Sensor Module Features:
• Small size product
• Compliant with RoHS recommendations and most of Lead Free Soldering Process
• Humidity calibrated within ±3% @55%RH at 5Vdc
• Stable, proportional frequency output from 0 to 100% RH
• High quality thermistor
• One of the smallest humidity/temperature modules on the market
• High reliability and long term stability
• Not affected by water immersion
• Stable characteristics with temperature
• Part could be washed with distilled water
Humidity Sensor Specific Features:
• Instantaneous de-saturation after long periods in saturation phase
• Fast response time
• High resistance to chemicals
• Patented solid polymer structure
Temperature Sensor Specific Features:
• 10kΩ ±1% NTC temperature sensor
• Stable
• High sensitivity
HTF3000LF Temperature and Humidity Sensor Module APPLICATIONS:
• Printers
• HVAC controller
HTF3000LF Temperature and Humidity Sensor Module PERFORMANCE SPECS
MAXIMUM RATINGS
Ratings |
Symbol |
Value |
Unit |
Storage Temperature |
Tstg |
-40 to 105 |
°C |
Storage Humidity |
RHstg |
0 to 100 |
% RH |
Supply Voltage (Peak) |
Vs |
16 |
Vdc |
Humidity Operating Range |
RH |
0 to 100 |
% RH |
Temperature Operating Range |
Ta |
-40 to 85 |
°C |
ELECTRICAL CHARACTERISTICS
(Ta=23°C, Vs=5Vdc +/-5%, RL>1MΩ unless otherwise stated)
Humidity Characteristics |
Symbol |
Min |
Typ |
Max |
Unit |
Humidity Measuring Range |
RH |
0 |
100 |
%RH |
|
Relative Humidity Accuracy (0 to 100% RH) |
RH |
Refer to Chart 2 on page 3 |
%RH |
||
Supply Voltage |
Vs |
3 |
5 |
8 |
Vdc |
Nominal Output @55%RH (at 5Vdc) |
Fout |
6560 |
6600 |
6640 |
Hz |
Current consumption (Max at 16Vdc) |
Ic |
0.18 |
1 |
mA |
|
Supply Voltage Influence (3 to 7Vdc) |
RH |
+/-1 |
% RH |
||
Average Sensitivity from 10% to 95%RH |
∆Fout/∆RH |
-10 |
-12 |
-14 |
Hz/%RH |
Humidity Hysteresis |
+/-1 |
%RH |
|||
Long Term Stability |
T |
+/-0.5 |
%RH/yr |
||
Time Constant (at 63% of signal, static) 40% to 95%RH, 2m/s |
τ |
10 |
s |
||
(Ta=25°C)
Temperature Characteristics |
Symbol |
Min |
Typ |
Max |
Unit |
Nominal Resistance @25°C |
R |
10 |
kΩ |
||
Beta value: B25/100 |
β |
3346 |
3380 |
3413 |
|
Temperature Measuring Range |
Ta |
-40 |
85 |
°C |
|
Nominal Resistance Tolerance @25°C |
RN |
1 |
% |
||
Beta Value Tolerance |
β |
1 |
% |
||
Response Time |
τ |
10 |
s |
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