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擴散式防爆型 氣體偵測器
-採用SM技術,體積小,重量輕,費用低。
-內部微電腦處理,數字顯示氣體濃度。
-採用世界標準傳送方式(TRANSMITTER TYPE)。
-最遠傳輸距離可達2000Ｍ。
-防爆型結構，確保安全使用。
-單人就可完成校正及維修工作。
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適用種類 |
LNG，LPG，HC等爆炸性氣體 |
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偵測種類 |
LNG瓦斯，H2氫氣，C2H4沼氣，C2H5O乙醚，C3H8丙烷，H2氫氣，C2H5O乙醚，丙烷 |
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檢測型式 |
擴散式 |
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檢測原理 |
催化性燃燒式，半導體式，紅外線傳導式 |
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量 程 |
0-100%lel / 0-100% VOLUME |
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精 度 |
± 3% 以內 |
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反應時間 |
15秒以內 |
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信號輸出 |
4-20ｍA.DC |
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接線要求 |
3線制 |
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傳輸距離 |
250M以內 |
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操作溫度 |
-20 ~ 50℃ |
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操作溼度 |
5 ~ 95% RH |
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供 電 |
18-31V.DC |
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接口尺寸 |
1/2" or 3/4" PE / NPT |
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產品規格 |
| PRODUCT SPECIFICATION |
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Sensor Type: |
Continuous diffusion |
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Function: |
Transmitter type |
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Service: |
Indoor or outdoor locations
Including hazardous areas |
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Measuring range 1: |
0-2000 ppm
Semiconductor cell |
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Measuring range 2: |
0-100% LEL
Catalytic cell |
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Measuring range 3: |
0-100% Volume
Thermal conductivity cell |
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Sensor life: |
3 to 5 years typical |
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Accuracy: |
± 3% of full scale |
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Response time: |
T90 < 15 sec. With 100% LEL of methane applied |
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Zero drift: |
Less than 3% of full scale per year |
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Electrical Classification: |
Explosion-proof, Ex d IIB T5 |
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Storage Temperature range: |
-30℃ to 60℃ |
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Warranty: |
One year |
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Approval: |
Korea Occupational Safety Association/NEPSI (China) | |
| ENVIRONMENTAL SPECIFICATION |
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Operating Temperature range: |
Electronics -40℃ to 70℃
Standard sensor -50℃ to 80℃
High Temp. sensor -50℃ to 250℃ |
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Storage Temperature range: |
-40℃ to 70℃ |
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Operating Humidity range: |
5 to 100% RH |
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Operating Pressure range: |
ATM. ± 10% |
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MECHANICAL SPECIFICATION |
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Weight: |
500g |
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Material: |
Cast aluminum |
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Mounting Type: |
2" Pipe Mount/Surface Mount |
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ELECTRICAL SPECIFICATION |
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Electrical protection: |
EMI/RFI by EN 50082-1 |
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Input Power: |
24V.DC nominal
18 to 31V.DC / 230mA max. |
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Output Signal: |
4-20mA(600 ohms max. load) |
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Cable Requirements: |
3-wire shield cable. Max distance 2500M |
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Conduit connection: |
1/2" & 3/4" PT & NPT | | |
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TRANSMITTER TYPE COMB. OXYGEN & TOXIC GAS DETECTOR |
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Model |
GTD-100 Series |
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Measuring gas |
Combustible gas
(LNG, LPG, H2, Methane, Butane & etc) |
Toxic gas (O2, CO, CL2, NH3 & etc) |
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Measuring type |
Diffusion type |
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Measuring method |
Hot wire semiconductor cell, Catalytic cell, Thermal conductivity cell |
semiconductor cell, Electrochemical cell |
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Measuring range |
0~2000ppm, 0~100% LEL, 0~100% Vol |
Refer to ordering information |
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Response time |
< 15sec / 90% scale |
< 45sec / 90% scale |
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Accuracy |
±3% / Full scale |
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Output signal |
Analogue output : Measuring output: 4-20 mA DC |
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Cable / Distance |
3 wire (Above CVVSB 1.5sq ) / 2,500m max. |
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Conduit connection |
1/2" & 3/4" PF, NPT (3/4" PF standard) |
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Mounting type |
2" Pole mount, Wall mount, Duct mount |
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Operating temperature |
-20∩ ~ +50∩ |
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Operating humidity |
5 ~ 99%.RH (non-condensing) |
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Operating power |
18 ~ 31V DC (24V DC normal) / 250mA max. |
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Dimensions |
136 x 166 x 95 (W X H X D) |
136 x 176 x 95 (W X H X D) |
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Weight |
1.2 kg |
1.8 kg |
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Approval |
Flame proof type (Ex d IIC T6) |
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