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1、 Specification : PS02C-PWM SP-PS02C-E01 1 Rev. Date Contents Authorization Management 1. Scope This Specfication establishes the configuration, performance, test and acceptance requirement for Dust Sensor Model PS02C-PWM. 2. Configuration The configuration and connector pin allocation are shown in t
2、he attached drawing Fig1. 3. Sensor Performance This sensor is to create Digital(Low Pulse) output to Particulate Matters. Low Pulse Occupancy time is in proportion to Particulate Matters concentration. The output from P1 is for Particulate Matters whose size is around 1 micro meter or larger. P1 Ou
3、tput characteristics is shown in the attached drawning Fig.2, when tested in standard condition stipulated below. 4. Marking for Lot Number Indicate the model number, date of manufacture on PCB by silk screening Issued 2003.01.03 NIDS Inc. Rev.1 Product Dust Sensor Design Check Approve Rev. 2 Rev. 3
4、 Rev. 4 Model PS02C-PWM 1/3 1/3 1/3 Rev. 5 H t t p : / / w w w . b s t s e n s o r . c o m 1 8 9 2 9 3 8 4 4 5 4 Specification : PS02C-PWM SP-PS02C-E01 2 5. Specification 6. Test No List Test condition Standard Samples : :n Defective : C 1 Drop Drop it unintensionally from 70cm height down to the ha
5、rd wooden board for 3 times at random. No damage, No breakage, NO failure on electrical characteristics n=2,C=0 2 Leave in the atmosphere 609095%RH for 1000 hours n=4,C=0 3 Storage Leave in the atmosphere -30 for 500 hour n=4,C=0 4 Heat Cycle Repeat 10 times in the following cycle. After leaving in
6、the atmosphere of 25 for 30minutes, move it into the atmosphere of + 70 within 10 seconds. Further, return to the atmosphere of 25 after 30minutes. n=4,C=0 5 Heat Shock Repeat 10 times in the following cycle. After soaking in the atmosphere of 5 for 5 minutes, move to the liquid of + 70 within 10 se
7、conds. Further, return to the liquid of 5 after 30minutes. OutputUpperX1.3 LowerX0.7Output (Within 30% at the original value) n=4,C=0 No List Condition 1 Supply Voltage DC 5V 10% (CN1: Pin1=GND, Pin3= +5V) 2 Power Consumption 90mA 3 Operating Condition Range - 10 45, 95%RH maximum (Without dew conde
8、nsation) 4 Recommended Storage Condition - 30 60 5 Dimension W 59 X H45 X D20 (mm) 6 Weight Approx. 30g 7 Detectable Particle Size Approx. 1 (minimum) 8 Detectable Range of ConcentrationParticle Counter-1 : 0.1 2.0mg/m3 9 Output Method Negative Logic, Digital Output Hi: 4.5V, Low: 0.7V (As Input imp
9、edance), Op-Amp output, Pull-Up Resistor : 10 10 Time For Stabilization 1 minute after power turned on Specification : PS02C-PWM SP-PS02C-E01 3 6 H2S endurance Leaving it in the atmosphere of H2S 1015ppm2595%RH for 300 hours n=4,C=0 7 SO2 endurance Leaving it in the atmosphere of SO2 255ppm2595%RH f
10、or 300 hours n=4,C=0 8 High Temperature .& Humidity Leaving it in the atmosphere of 6090%RH for 300 hours n=4,C=0 9 ON-OFF Apply the power on-off test for 500 hour s in the atmosphere of 409095%RH. On time : 5 minutes / Off time : 5 minutes n=4,C=0 10 Mechnacal shock 105510Hz/1minute, overall amplit
11、ude 1.5, X,Y,Z direction for 2 hours OutputUpperX1.3 LowerX0.7Output (Within 30% at the original value) n=4,C=0 11 Open-Short Keep the mutual terminals of electric parts in short circuit, or keep the terminals opened, and supply the electric current to it. 12 Tracking Fall 200 drops of the 5% soluti
12、on of saltwater on the printed board for 30 seconds interval. Not to cause smoke or fire n=1,C=0 n=1,C=0 7. Life expectancy The light emitter is continuously turned on for 7 years minimum. 8. Standard Sensor We hold sensor and ,lower limit. Sensor as standard against which evry unit of sensor to be
13、set its characteristics in between upper and lower limit characteristics curve. Those standard sensor and sensor are to be tested, calibrated periodically. 9. Instruction for operation / Caution 1) Setting position : Use it on the vertical position ( Whithin 3) 2) Cigarette tar and dust on lens shou
14、ld affect the sensitivity of sensor. Specification : PS02C-PWM SP-PS02C-E01 4 10. Standard Test Method Burn a cigarette in an ambient of temperature 23 7 to generate cigarette smoke in the room. Then extinguish them after fully burned out, use air purifier (with HEPA filter) to less the concentratio
15、n of smokes. Check the sensor output variation in accordance with fluctuation of concentration. Sensor output characteristics should be set in set in between standard sensor and sensor. Particle counter is to be referred for the smoke concentration rate. - Cigarette : 1piece cigarette (KOREA Brand :
16、 THIS ) - Particle counter : SIBATA Co,.Ltd Model : LD-3 or GT-331 (particle size level : 1 minimum) - Smoke generator : Automatic smoke suction machine (Order made) - Room capacity : 20 30 m3 - Stirring : Stir by electric fan. During the measurement, collect dusts by air purifier, and decrease the
17、concentration rate of cigarette smoke. - Sensor setting location : Center of the room, 4080 cm height from the floor level. - Rated input voltage : DC5V + 2% 11. This specification is subject to change for improvement, without prior notice. Specification : PS02C-PWM SP-PS02C-K01 5 Fig. 1 : Picture o
18、f Product Fig. 2 : Characteristics Curve Fig.3 : Signal Information - Pulse Width = 10 90ms Fig.4 : Dimension ( Refer. To Page 6) Output (Voltage) Output (Voltage) 0.7 V 0.7 V 4.6 V 4.6 V Low Pulse Occupancy Time / Unit Time (%) Low Pulse Occupancy Time / Unit Time (%) Low concentration Low concentration High concentration High concentration 0.00.51.01.52.0 0 5 10 15 20 Lower Limit Average Upper Limit PS02C (P1) - Characteristics Low Pulse Occupancy Time ( % ) Dust Concentration (mg/M 3) Dimension : PS02C-PWM SP-PS02C-E01 6