MS1100

Update : 2010.05.15 PRODUCT INFORMATION Sensor for Air quality control VOCs Sensor ◑ General - for the detection of Formaldehyde Toluene, Organic Solvent - Semi conductor type, It is applied detection of VOCs gases (toluene, formaldehyde, benzene, ect.) ◑ Application : Ventilator, Air cleaner, Hood. ◑ Operation range - Working temperature : -10℃ ~ 50℃ - Working humidity : below saturation point - Storage temperature : -20℃ ~ 80℃ ◑ Products characteristics Product code Package S11 Characteristics Wide detection of VOCs gases Application : Air cleaner, Hood <& 11 > Worm-up time, PH 5min 350㎽ 3 Output data Analogue (1 ~ 5Volt) Basic circuit Module &S11 Standard, Op-amp amplifying -P 1XX Relay output : fixed concentration Analogue (0.5 ~ 5Volt) Relay : Hi(4V), Low(0V) 5min 380㎽ 1. Sensitivity Characteristic Slope (β = Rs,gas / Rs,air) 0.60 0.55 MS1100 VOC-SEN-02, 10.04.23 1.0 0.9 Sensitivity(Rs,gas/Rs,air) Sensitivity(Rs,gas/Rs,air) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 1 10 Formaldehyde Benzene Toluene 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 Alcohol Methane Tobacco 100 1 10 100 1000 Concentration, ppm Concentration, ppm 2. Basic Measuring Circuit Stability Vcc Vcc : Circuit Voltage(5V) Rs : Sensor Resistance VH : Heater Voltage(5V) RL : Load Resistance 5 Output Voltage[ Volt ] ① ● Long Term Stability 4 3 2 1 RL=2㏀ Rs=4㏀ ③ Sensor Rs ● ○ VH VR rL ② ● (RL=VR+rL) GND Vout ● ○ ④ 0 20 40 60 Time[days] 80 100 http://www.Datasheet4U.com Upda...