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Relative Temperature and Humidity Sensor Module - HTF3000LF

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• Small size product
• Humidity calibrated within ±3% @55%RH at 5Vdc
• Stable, proportional frequency output from 0 to 100% RH
• High quality thermistor
• High reliability and long term stability
• Not affected by water immersion
• Stable characteristics with temperature
• Part could be washed with distilled water

Model Number: HTF3000LF
Data Sheet:

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Product Specification

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