TGS203

www.DataSheet4U.com PRODUCT INFORMATION TGS 203 - Carbon Monoxide Sensor Specifications 1. Structure and Dimensions Please refer to the technical drawing shown in Figure 1. Specifications for component parts subject to Table I below. 2. Materials Part numbers are as indicated in the technical drawing of Figure 1. 1 # 1 2 Part Stainless Steel Gauze Activated Charcoal Filter Cover Material Stainless Steel SUS 304 (60 mesh) 20 ~ 40-mesh 2 3 Polyamide resin reinforced with glass fiber Metal oxide semiconductor Double layer of 100-mesh stainless steel gauze SUS 316 Paladium-Iridium alloy wire Diameter: 0.09mm Polyethylene terephthalate reinforced with glass fiber Nickel plated brass ring Nickel 4 5 6 7 8 9 Cross section of internal sensing element 3 4 5 Sensor Element Flame-Proof Cover 6 Coil 7 Base 8 9 Ring Pin 3. Explosion Proof A spark inside the cover cannot ignite a gas leak outside of the cover. 4. Mechanical Strength Connecting Strength Using applied pressure, a ring is affixed to the base for the purpose of holding the flame proof cover in a fixed position. Withdrawal Force The pins can withstand a withdrawal force of more than 5 kgs applied in the direction of the pins. Figure 1 www.DataSheet4U.com 5. Sensitivity Characteristics Item Sensor Resistance Change Ratio of Sensor Resistance Sensor Resistance Gradient Symbol Rs Condition CO at 100ppm Rs (H2 at 1000ppm) Rs (CO at 100ppm) log (Rs in 100ppm CO/Rs in 300ppm CO) log (100ppm CO/300ppm CO) Specifi...