HPP809A033

HTM2500LF Temperature and Relative Humidity Module SPECIFICATIONS Hermetic Housing Humidity calibrated within +/-2% 55%RH Temperature measurement through NTC 10kOhms +/-1% direct output Small size product Typical 1 to 4 Volt DC output for 0 to 100%RH at 5Vdc Based on the rugged HTS2035SMD humidity / temperature sensor, HTM2500LF is a dedicated humidity and temperature transducer designed for OEM applications where a reliable and accurate measurement is needed. Direct interface with a micro- controller is made possible with the modules humidity linear voltage output. FEATURES Full interchangeability High reliability and long term stability Not affected by water immersion Ratiometric to voltage supply Suitable for 3 to 10 Vdc supply voltage 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 Stable High sensitivity APPLICATIONS Industrial Process control Hygrostat Data logger SENSOR SOLUTIONS /// HTM2500LF HPC169 Rev C 03/2019 Page 1 HTM2500LF Temperature and Relative Humidity Module APPLICATIONSPERFORMANCE SPECS MAXIMUM RATINGS Ratings Symbol Value Unit -40 to Storage Temperature Tstg C 85 Storage Humidity RHstg 0 to 100 % RH Supply Voltage (Peak) Vs 12 Vdc Humidity Operating Range RH 0 to 100 % RH Temperature Operating -40 to Ta C Range 85 Peak conditions: less than 10% of the operating time ELECTRICAL CHARACTERISTICS (Ta=23C, Vs=5Vdc +/-5%, R >1M unless otherwise stated) L Humidity Characteristics Symbol Min Typ Max Unit Humidity Measuring Range RH 1 99 %RH Relative Humidity Accuracy (10 to 95% RH) RH +/-3 +/-5 %RH Supply Voltage Vs 4.75 5.00 5.25 Vdc Nominal Output 55%RH (at 5Vdc) Vout 2.42 2.48 2.54 V mVz Current consumption Ic 1.0 1.2 mA Temperature Coefficient (10 to 50C) Tcc +0.1 %RH/C Average Sensitivity from 33% to 75%RH Vout/RH +26 mV/%RH Sink Current Capability (RL=15k) Is 300 A Recovery time after 150 hours of condensation tr 10 s Humidity Hysteresis +/-1.5 %RH Long term stability T +/-0.5 %RH/yr (1) Time Constant (at 63% of signal, static) 33% to 76%RH 5 s Output Impedance Z 70 (1) At 1m/s air flow (Ta=25C) Temperature Characteristics Symbol Min Typ Max Unit Nominal Resistance 25C R 10 k Beta value: B25/50 3347 3380 3413 K Temperature Measuring Range* Ta -40 85 C Nominal Resistance Tolerance 25C RN 1 % Beta Value Tolerance 1 % Response Time 10 s * For temperature upper than 60C, specific high temperature cable is required: HTM2500LFL products SENSOR SOLUTIONS /// HTM2500LF HPC169 Rev C 03/2019 Page 2