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RELATIVE HUMIDITY MODULE
HM1500LF
Compliant with RoHS recommendations
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.
MAIN FEATURES
Small size. Product free from Lead, Cr(6+), Cd and Hg. Not affected by water immersion. Full interchangeability. High reliability and long term stability. Typical 1 to 3.6 Volts DC output for 0 to 100 % RH at 5 V DC supply. Calibrated within +/- 2 % RH @ 55 % RH. Very low temperature dependence. Ratiometric to voltage supply from 4.75Vdc to 5Vdc. Able to operate from 3 to 10 Volts supply voltage
HUMIDITY SENSOR SPECIFIC FEATURES
Instantaneous de-saturation after long periods in saturation phase. Fast response time. Not affected by water immersion. Part could be washed with distilled water. Patented solid polymer structure.
MAXIMUM RATINGS
Ratings Symbol Value Unit
Storage Temperature Storage Humidity Range Supply Voltage (Peak) Humidity Operating Range Temperature Operating Range
Tstg RHstg Vs RH Ta
-30 to 70 0 to 100 10 0 to 100 -40 to 60
C % RH Vdc % RH C
CHARACTERISTICS
(Ta =23C, Vs=5.0Vdc, RL >1M unless otherwise stated)
Characteristics Humidity Measuring Range Relative Humidity Accuracy (10% to 95%RH) Voltage Supply(regulated at 5Vdc) Nominal Output @55%RH (Vs=5Vdc) Current Consumption Temperature coefficient (10 to 50C) Humidity Average Sensitivity Response time ( at 63% of signal) 33%RH to 75%RH Humidity hysteresis Output impedance Sink current capability (RL = 33 kOhms) Warm up time(electronic) Humidity Resolution
HPC062 Rev B April 2005
Symbol RH Vcc Vout Icc Tcc mV/RH
Min 0
Typ 3 5 2.48 2.8 -0.05 +26
Max 100 5 2.54 4 -0.1 10 +/-1
2.42
Z I tw 70
Unit %RH %RH Vdc V mA %RH/C mV/%RH s %RH A ms %RH
HM1500LF
150 150 0.4
TECHNICAL 1 DATA
MEASUREMENT CONDITIONS
4000
HM1500LF is specified for accurate measurements within 10% RH to 95%RH. Excursion out of this range (< 10% or > 95% RH,including condensation) does not affect the reliability of HM1500LF Characteristics. Dedicated HM15XX Products are available for extreme RH Conditions (as HM1520 for low Dew points) Consult HUMIREL for further information.
Vout mV
3500 3000 2500 2000 1500 1000 0 10 20 30 40 50 60 70 80 90 100 Relative humidity %RH
M ET R OLG Y HM 152 0 LF R A N G E
METROLGY HM1500LF RANGE
MODELED SIGNAL OUTPUT
4000 Output voltage (mV) 3500 3000 2500 2000 1500 1000 0 10 20 30 40 50 60 70 80 90 100 Relative Humidity (%RH)
Reference Output Values
RH (%) 10 15 20 25 30 35 40 45 50 Vout (mV) 1325 1465 1600 1735 1860 1990 2110 2235 2360 RH (%) 55 60 65 70 75 80 85 90 95 Vout (mV) 2480 2605 2730 2860 2990 3125 3260 3405 3555
LINEAR EQUATION: (with Vout in mV and RH in %) Vout=25.68RH+1079 RH = 0.03892 Vout - 42.017 POLYNOMIAL EQUATION: (with Vout in mV and RH in %) Vout = 9E-4RH3-1.3E-1RH2+30.815RH+1030 RH= -1,91E-09 Vout 3 + 1,33E-05 Vout 2 + 9,56E-03 Vout - 2,16E+01
ERROR BUDGET at 23C
TEMPERATURE COMPENSATION
RH compensated = RH actual at T + (T-23)*(0.05)
T: Temperature C / RH: Relative humidity in %
HPC062 Rev B April 2005
TECHNICAL 2 DATA
HM1500LF
RESISTANCE TO PHYSICAL AND CHEMICAL STRESS
- HM1500LF has passed through qualification processes of HUMIREL including vibration, shock, storage, high temperature and humidity, ESD. - Additional tests under harsh chemical conditions demonstrate good operation in presence of salt atmosphere, SO2(O.5%), H2S (0.5%), O3, NOx, NO, CO, CO2, Softener, Soap, Toluene, acids (H2SO4, HNO3, HCl), HMDS, Insecticide, Cigarette smoke, a non exhaustive list. - HM1500LF is not light sensitive.
SPECIFIC PRECAUTIONS
- HM1500LF is protected against reversed polarity - If you wish to use HM1500LF in a chemical atmosphere not listed above, consult us.
PACKAGE OUTLINE
* Specific length available on request
Dim
Min (mm)
Max (mm)
A B C D E*
Wire
9.75 4.00 53 10.9 200
Color
10.25 4.50 55 11.4 250
Function
GROUND SUPPLY VOLTAGE OUTPUT VOLTAGE
W1 W2 W3
White Blue Yellow
ORDERING INFORMATION (MULTIPLE PACKAGE QUANTITY OF 10 PIECES). HM1500LF: HUMIDITY ANALOG VOLTAGE OUTPUT MODULE. ORDERING REFERENCE: HPP805A036
The information in this sheet has been carefully reviewed and is believed to be accurate; however, no responsability is assumed for inaccuracies. Furthermore, this information does not conveyto the purchaser of such devices any license under the patent rights to the manufacturer. Humirel reserves the right to make changes without further notice to any product herein. Humirelmakes no warranty, representation or guarantee regarding the suitability of its product for any particular purpose, nor does Humirel assume any liability arising out of the application or useof any product or circuit and specifically disclaims any and all liability, including without limitation consequential or incidental damages. Typical parameters can and do vary in differentapplications. All operating parameters, including Typical must be validated for each customer applications by customer's technical experts. Humirel does not convey any license under itspatent rights nor the rights of others. Humirel products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other appli-cation intended to support or sustain life, or for any application in which the failure of the Humirel product could create a situation where personal injury or death may occur. Should buyerpurchase or use Humirel products for any such unintended or unauthorized application, Buyer shall indemnify and hold Humirel and its officers, employees, subsidaries, affiliates and distribu-tors harmless against all claims, costs, damages and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of presonal injury or death associated with such unin-tended or unauthorized use, even if such claim alleges that Humirel was negligent regarding the design or manufacture of the part.Humirel is a registred trade mark of Humirel.
HPC062 Rev B April 2005
TECHNICAL 3 DATA
HM1500LF

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