SYH-2R (industrial version) humidity sensor SYH-2R (industrial version) humidity sensor samyoung s&c co., ltd. to : to : humidity sensor humidity sensor p/n : SYH-2R__. i p/n : SYH-2R__. i [ industrial version ] [ industrial version ] ======================================== ======================================== specifications specifications ======================================== ======================================== samyoung s&c co., ltd. http://www..net/ datasheet pdf - http://www..net/
SYH-2R (industrial version) humidity sensor 1. scope of application this specification is applicable to the resistive type humidit y sensor SYH-2R (industrial version) 2. type sy h 2 r .i .i : industrial c : with case nc : without case r : resistor electrode 2 : 33k ? spec. (25 , 60%rh) h : resistive humidity sensor sy : samyoung s&c 2-1. syh- 2rc.i : humidity sensor unit with case 2-2. syh- 2rnc.i : humidity sensor unit (no case) 3. configuration the configuration of the humidity sensor unit is shown on the fig.1 . 4. electrical characteristics 4-1. rated voltage : max. ac 5vpp (recommended 1v rms ) 4-2. rated power : 0.26mw (at 1v rms ) 4-3. standard characteristic : 33 ? (at 25 c, 60%rh, 1v rms , 1khz) [fig. 2] 4-4. operating temperature : -20c 85 c [fig. 3] 4-5. operating humidity range : 10 9 5%rh (non-condensing) 4-6. operating frequency range : 100hz ~ 10khz [fig. 4] 4-7. storage temperature range : -30 c 85 c 4-8. storage humidity range : less than 95%rh (non-condensing) 4-9. accuracy : 3%rh (at 25 c, 60%rh) 4-10. hysteresis : within 2%rh (at 25 c, 40 ? 80%rh) 4-11. response time : < 45 sec. (30 ? 90%rh), t80) 4-12. temperature coefficient : - 0.5%rh / c http://www..net/ datasheet pdf - http://www..net/
SYH-2R (industrial version) humidity sensor 5. reliability no test item test condition test criterion 1 high temperature storage - temperature: 85 test time: 1,000 hours recovery time : 1 ~ 2 hours < 5%rh 2 low temperature storage - temperature:- 30 test time: 1,000 hours. recovery time : 1 ~ 2 hours < 5%rh 3 high temperature/high humidity loading - temperature: 40, humidity : 95 %rh test time : 1000 hours, bias : 1v pp , 1khz recovery time : 1 ~ 2 hours < 5%rh 4 humidity cycle - temperature : 25 , cycle : 500 times humidity : 30(30min)?90(30min) %rh recovery time : 1 ~ 2 hours < 5%rh 5 temperature cycle (thermal-shock test) -temperature:-30(30min)?85(30min) cycle : 100 times recovery time : 1 ~ 2 hours < 5%rh 6 organic solvent resistance - benzene 30wt.%+xylene 40wt.% +toluene 30wt.%. temperature: 25, test time : 300 hours recovery time : 1 ~ 2 hours < 5%rh 7 voltage resistance - impress 1v rms , 1khz test time: 3,000 hrs. recovery time : 1 ~ 2 hours < 5%rh 6. mechanical characteristics 6-1. shock resistance not to be abnormal in the appear ance and electrical characteris tics after having been dropped down 3 times at random o nto a hard wooden plate from th e height of 100M. 6-2. vibration resistance not to be abnormal in the appearance and electrical characteris tics after the vibration-test for 2 hours each in the directions of x-y-z, at the frequency of 1055?, and amplitude of 1.5mm (10-55-10). 6-3. resistance to soldering heat not to be abnormal in the appearance and electrical characteris tics after the lead terminal is immersed down by 3mm from the sub strate for 3 seconds in a sold er bath of 2605. samyoung s&c co., ltd. http://www..net/ datasheet pdf - http://www..net/
SYH-2R (industrial version) humidity sensor 6-4. strength of terminations (tensile) lead terminal shall be secured with the substrate after it shal l be pulled with the specified force of 500g for 10 seconds in the axial direction of the lead terminal. 7. packaging : [fig. 5.] 7-1. 50pcs of sensor unit to be packed in a tray (pet, SYH-2R ) 7-2. 20 sheet (1000pcs of sensor unit) to be packed in a shippi ng carton box ( SYH-2R , size : 20014575mm) 7-3, 100pcs of sensor unit to be packed in a vinyl pack ( SYH-2R c ) 7-4. 10 set (1000pcs of sensor unit) to be packed in a shipping carton box ( SYH-2R c , size : 28028055mm) 8. basic circuits (example) r1 p1 zd1 r3 vin(a/d) p2 vref r2 zd2 -com rt rh vref positive output : vin = rt/(rt+rh) * vzd negative output : vin = rh/(rh+rt) * vzd zener diode zd1, z d2 : 2.2v to 4.7v rh : humidity sensor(syh-1 or syh-2 series) rt : r(25) = 50?, b(25/85)=4600 samyoung s&c co., ltd. http://www..net/ datasheet pdf - http://www..net/
SYH-2R (industrial version) humidity sensor 9. measuring systems lcr meter: hioki 3532-50 chamber: rotronics humidity generator (accuracy:1.0%rh) hygrometer: e+e ee31 10. application note 10-1. dc voltage if dc voltage is applied to the humidity sensor, the migration phenomenon may be occurred in polymer of the sensor. this migration can effect the resistance characteristics change and may cause of short circuit ( polarization phenomenon ). 10-2. water condensing if there is a condensation on the humidity sensor surface over 6 hrs, the polymer of the sensor (humidity sensitive) membrane can be diluted by the condensation. it may cause resistance characteristics change. 10-3. drenching (solvent .. etc.) if the humidity sensor is soaked in the liquid material (solvent .. etc) over 30 min, the polymer of the sensor (humidity sensitive) membrane can be melt by the solvent. it may cause resistance characteristics change. 10-4. ionic atmosphere syh series humidity sensor is made by using ionic polymer membr ane. therefore if the humidity sensor is exposed ionic atmosphere (salty air, anionic ionizer.. etc) for long period of time, the resistance characteristics may change. 10-5. organic / inorganic gas if the humidity sensor is exposed directly to organic / inorganic gases (i.e. sox, nox, ammonia, alcohol, glycol .. etc.) for long period of time, reactive poly mer membrane can be damaged and the resistance characteristics may change. 10-6. breakdown / scratch / membrane touching if there are physical external pressure on the sensor such as breakdown of sensor substrate, sensor scratch, touching sensor membrane , the sensor (humidity sensitive) membrane and electrode will be damaged. it can cause resistance quality defe ctive. 10-7. heating stress (thermal shock) in relation to heating stress , take extra caution using in t he atmosphere of the below 1) using the humidity sensor at over the operating range temp erature 2) failed circuit design 3) pcb soldering process samyoung s&c co., ltd. http://www..net/ datasheet pdf - http://www..net/
SYH-2R (industrial version) humidity sensor fig. 1 . standard dimension SYH-2R__.i series (unit : mm) 10.00 14.00 < SYH-2R > < SYH-2R c > samyoung s&c co., ltd. http://www..net/ datasheet pdf - http://www..net/
SYH-2R (industrial version) humidity sensor fig. 2 . standard characteristics relative humidity ( %rh ) 10 20 30 40 50 60 70 80 90 100 resistance ( ? ) 1 10 100 1000 10000 SYH-2R fig. 3 . temperature characteristics relative humidity ( %rh ) 10 20 30 40 50 60 70 80 90 100 resistance ( ? ) 1 10 100 1000 10000 05 10 15 20 25 30 35 40 45 50 samyoung s&c co., ltd. # # http://www..net/ datasheet pdf - http://www..net/
SYH-2R (industrial version) humidity sensor fig. 4 . frequency characteristics relative humidity ( %rh ) 10 20 30 40 50 60 70 80 90 100 resistance ( ? ) 1 10 100 1000 10000 100 hz 1 khz 10 khz samyoung s&c co., ltd. # # http://www..net/ datasheet pdf - http://www..net/
SYH-2R (industrial version) humidity sensor fig. 5. packaging tray : 50pcs / tray (pet, 1901406 mm) for SYH-2Rnc (without case) only vinyl pouch : 100pcs / pouch for SYH-2Rc (with case) inlet box : SYH-2Rnc: 20014575 mm, 20 trays (1 ,000 pcs). weight: 0.62kg (approx) SYH-2Rc: 28028055mm, 10 pouches (1,000 pcs). weight: 1.2kg (approx) outlet box : (650360310 mm) SYH-2Rnc: 23 inlet boxes (23k pcs). weight 14.5kg (approx) SYH-2Rc: 12 inlet boxes (12k pcs). weight 14.5kg (approx) samyoung s&c co., ltd. http://www..net/ datasheet pdf - http://www..net/
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