Product Details

HM1500LF Probe Style Relative Humidity Sensor Module DESCRIPTION

Based on the rugged HS1101LF capacitive humidity sensor, HM1500LF is a dedicated humidity transducer designed for OEM applications where a reliable and accurate measurement is needed. Direct interface with a micro-controller is made possible with the module's linear voltage output.

HM1500LF Probe Style Relative Humidity Sensor Module FEATURES
• Small size product
• Product free from Lead, Cr(6+), Cd and Hg
• Humidity calibrated within +/-2% @55%RH
• Typical 1 to 3.6 Volts DC output for 0 to 100 % RH at 5 V DC supply
• Ratiometric to voltage supply from 4.75Vdc to 5Vdc.
• Patented solid polymer structure
• Full interchangeability
• High reliability and long term stability
• Not affected by water immersion
• Very low temperature dependence
• Suitable for 3 to 10 Vdc supply voltage

Humidity Sensor Specfic Features
• Instantaneous de-saturation after long periods in saturation phase.
• Fast response time.
• Part could be washed with distilled water.

HM1500LF Probe Style Relative Humidity Sensor Module APPLICATIONS
• Industrial
• Process control
• …

HM1500LF Probe Style Relative Humidity Sensor Module PERFORMANCE SPECS

MAXIMUM RATINGS

Ratings	Symbol	Value	Unit
Storage Temperature	Tstg	-30 to 70	°C
Storage Humidity	RHstg	0 to 100	% RH
Supply Voltage (Peak)	Vs	10	Vdc
Humidity Operating Range	RH	0 to 100	% RH
Temperature Operating Range	Ta	-40 to 60	°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 (10 to 95% RH)	RH		+/-3	+/-5	%RH
Supply Voltage (regulated at 5Vdc*)	Vs		5		Vdc
Nominal Output @55%RH (at 5Vdc)	Vout	2.42	2.48	2.54	V
Current consumption	Ic		1.4	2	mA
Temperature Coefficient (10 to 50°C)	Tcc		- 0.05	-0.1	%RH/°C
Average Sensitivity from 33% to 75%RH	ΔVout/ΔRH		+26		mV/%RH
Sink Current Capability (RL=33kΩ)	Is			150	µA
Humidity Hysteresis				+/-1	%RH
Time Constant (at 63% of signal, static) 33% to 75%RH	τ			10	s
Warm up time (electronic)	tw		150		ms
Humidity resolution			0.4		%RH
Output Impedance	Z		70		Ω

*Maximum power supply ramp up time to Vcc should be less than 4ms.