TECHNICAL 1 DATA HF 3223 / HTF 3223 TEMPERATURE AND HUMIDITY MODULE Based on the rugged HS1101 humidity sensor, HF 3223 / HTF 3223 is a dedicated humidity and temperature transducer designed for OEM applications where a reliable and accurate measurement is needed. It features a miniature connector for easy, cost-effective mechanical mounting. Direct interface with a micro-controller is made possible with the module’s linear frequency output. MAIN FEATURES ● ● ● ● ● ● Size and connector type match existing humidity modules. Stable, linear proportional frequency output from 10 to 95% RH. Calibrated within +/- 5% RH @ 55% RH. Optional 10 K +/- 3% NTC temperature sensor (HTF 3223) Stable characteristics with temperature. High reliability and long term stability. HF 3223 / HTF 3223 HUMIDITY SENSOR SPECIFIC FEATURES ● ● ● ● ● Instantaneous de-saturation after long periods in saturation phase. Fast response time. High resistance to chemicals. Not affected by water immersion. Patented solid polymer structure. TEMPERATURE SENSOR SPECIFIC FEATURES ● High quality thermistor ● Stable ● High sensitivity MAXIMUM RATINGS Ratings Symbol Value Unit Tstg -40 to 85 °C RHstg 0 to 100 % RH Supply Voltage (Peak) Vs 7 Vdc Humidity Operating Range RH 0 to 99 % RH -30 to 80 °C Storage Temperature Storage Humidity Range Temperature Operating Range Ta CHARACTERISTICS Humidity sensor (Ta = 25°C, Vs = 5.0 Vdc +/- 5%, RL > 100 KΩ unless otherwise stated) Characteristics Symbol Min. Humidity metrology range RH 10 Relative Humidity accuracy (10 to 95 % RH) RH Voltage supply Vs Fout Nominal output @ RH = 55 % Current consumption Ic Temperature coefficient (0 to 60 °C ) Tcc Averaged Sensitivity from 33 % to 75 % RH ∆Fout /∆ RH Typ. Max. Unit. 95 % RH +/- 5 +/- 10 % RH 4.75 5.0 5.25 VdC 8670 8750 8830 Hz 0.1 mA +/- 0.1 -16 - 18 % RH/°C -19 Hz/% RH Sink current capability Is 100 µA Recovery time after 150 hours of condensation t 10 s +/-1.5 Humidity Hysteresis 0.5 Long term stability Response time (33 to 76% RH, static, @63 %) τ 10 % RH % RH/yr s Humirel Sensor Device Data / HPC014 Rev G July 2001 TECHNICAL 2 DATA Maximum error in % RH Relative Humidity Accuracy of HF 3223 / HTF 3223 Relative Humidity in % Modeled Signal output (Linear Reference curve) : Fout = 9740 - 18*RH with Fout in Hz and RH in % Typical response look-up table RH (%) 0 5 Fout (Hz) 10 15 20 25 30 35 40 45 50 9560 9470 9380 9290 9190 9110 9020 8930 8840 RH (%) 55 60 65 70 75 80 85 90 95 Fout (Hz) 8750 8660 8570 8480 8390 8300 8210 8120 8030 Fout in Hz Typical , Minimum and Maximum Frequency Values for HF 3223 / HTF3223 Relative Humidity in % Calibration data are traceable to NIST standards through CETIAT laboratory. Humirel Sensor Device Data / HPC014 Rev G July 2001 100 TECHNICAL 3 DATA CHARACTERISTICS Temperature sensor (Ta = 25°C) Characteristics Symbol Min. Typ. Nominal resistance @ 25°C Max. Unit. 10 kΩ Beta value : B25/100 B 3600 3730 3800 Temperature measuring range Ta - 30 Nominal Resistance Tolerance Rn B value tolerance B 3 % Response Time τ 10 s 2 80 °C 3 % Typical temperature output Depending on the needed temperature measurement range and associated accuracy, we suggest two methods to access to the NTC resistance values. 1 The actual characteristic of an NTC thermistor can, however, only be roughly described by the exponential relation,as the material parame ter B in reality also depends on temperature. So this approach is only suitable for describing a restricted range around the rated temperature or resistance with sufficient accuracy. NTC resistance in Ωat temperature T in K NTC resistance in Ωat rated temperature in K Temperature in K B value,material-specific constant of the NTC thermistor Base of natural logarithm (e =2.71828) Temperature °C -30 -29 -28 -27 -26 -25 -24 -23 -22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 Resistance (ohm) 144790 136664 129054 121925 115243 109030 103115 97565 92354 87460 82923 78581 74497 70655 67039 63591 60381 57356 54503 51813 49204 46767 44467 42296 40247 38279 36455 34731 Max. Deviation 16636 15444 14343 13325 12383 11516 10705 9953 9257 8612 8020 7463 6947 6468 6023 5606 5222 4865 4533 4225 3932 3662 3411 3177 2960 2756 2568 2393 2 For practical applications a more precise description of the real R/T curve may be required. Either more complicated approaches (e.g the Steinhart-Hart equation) are used or the resistance/ temperature relation as given in tabulated form. The below table has been experimentally determined with utmost accuracy for temperature increments of 1 degree. Temperature °C Resistance (ohm) Max. Deviation Temperature °C -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 33100 31557 30029 28627 27299 26042 24852 23773 22708 21698 20739 19829 18959 18128 17338 16588 15876 15207 14569 13962 13384 12834 12280 11777 11297 10840 10404 10000 2230 2078 1932 1799 1675 1560 1452 1355 1261 1174 1093 1017 946 879 817 759 705 654 607 563 522 484 447 413 382 353 325 300 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 Resistance (ohm) 9600 9218 8853 8506 8178 7866 7568 7283 7011 6734 6484 6244 6015 5796 5575 5373 5180 4995 4817 4636 4473 4316 4166 4021 3874 3737 3606 3481 Max. Deviation Temperature °C Resistance (ohm) Max. Deviation 300 300 299 297 296 294 292 290 287 284 281 278 275 271 267 264 260 257 253 248 245 241 237 233 229 225 221 217 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 3360 3237 3126 3019 2917 2819 2720 2629 2542 2458 2378 2304 2229 2158 2089 2022 1960 1898 1839 1782 1727 1673 1622 1573 1526 1480 1432 213 208 204 200 197 193 189 185 182 178 175 171 168 165 161 158 155 152 149 146 143 140 138 135 132 130 127 Humirel Sensor Device Data / HPC014 Rev G July 2001 TECHNICAL 4 DATA QUALIFICATION PROCESS Resistance to physical and chemical stresses ● HF3223 / HTF3223 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 (0.5%, H2S (0.5%), 03, NOx, NO, CO, CO2, Softener, Soap, Toluene, acids (H2SO4, HNO3, HCI), HMDS, Insecticide, Cigarette smoke, a non exhaustive list. ● HF3223 / HTF3223 is not light sensitive. PACKAGE OUTLINE HF3223 / HTF3223 Dim A B Min 9.7 8.5 Max 10.8 9.5 C D E F G 33.5 21.5 1.55 3.5 1.45 34.5 22.5 1.65 3.9 1.55 Dim H J K L M Min Max 4.5 4.7 7.3 29.5 13.8 3.5 7.7 30.5 14.2 4.5 N Φ 3.5 4.5 3.0 3.4 Dimensions in millimeters Connector type : JST model S4B-ZR to be mated with ZHR or 04ZR type female connectors ORDERING INFORMATION (Multiple Package Quantity of 40 pieces) : HF3223 : Humidity Frequency output alone HTF3223 : Humidity Frequency output + NTC (Temperature direct output) SAMPLE KIT OF HF 3223 / HTF 3223 IS AVAILABLE THROUGH HUMIREL WEB SITE www.humirel.com email : [email protected] 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 convey to 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. Humirel makes 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 use of 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 different applications. All operating parameters, including « Typical » must be validated for each customer applications by customer’s technical experts. Humirel does not convey any license under its patent 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 application 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 buyer purchase or use Humirel products for any such unintended or unauthorized application, Buyer shall indemnify and hold Humirel and its officers, employees, subsidaries, affiliates and distributors 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 unintended 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. Humirel Sensor Device Data / HPC014 Rev G July 2001