產品簡介:
型 號 |
防爆型氣體偵測器 GTD-200Ex |
適用種類 |
可燃性氣體 ,LNG, LPG, H2氫氣, 甲烷,甲醇,甲醛,矽甲烷,乙酸乙酯,乙醚,乙炔,丙烷,丙烯酸丁酯,丙酮,丁烷,正己烷,硫化氫,酒精,甲苯,油氣,三氯乙烯,氯化氫,鹽酸..等 |
檢測型式 |
擴散式 |
檢測原理 |
催化燃燒式 / 半導體式 / 紅外線傳導式 |
量 程 |
0-100%leLEL / 0 - 100% VOL |
反應時間 |
在20秒以內 |
精 度 |
最大誤差 ± 3% 以內 |
顯示方式 |
Back light 內置型 2-Linc/16charactoro LCD數位顯示 |
警報設置 |
磁棒的校正(可根據使用情況自行設置) |
標定二作 |
磁棒的校正 |
操作溫度 |
-20 ~ 50℃ |
操作溼度 |
10 ~ 90% RH |
警報輸出 |
模式輸出( 0 mA DC & 2 maA DC ) |
檢查輸出 |
模式輸出( 0 mA DC & 2 maA DC ) |
接線要求 |
CVVS & CVVSB 0.75sq x 3Wires sliu |
傳輸距離 |
2000m |
供 電 |
DC 24V± 10% 200 mA mox |
接口尺寸 |
1/2" or 3/4" PE / NPT |
防爆等級 |
Ex d llC T5 |
PRODUCT SPECIFICATION |
|
Sensor Type: |
Continuous Diffusion |
Function: |
Local LCD Display type |
Service: |
Indoor or outdoor locations |
Measuring range1: |
O-2000 ppm |
Measuringrange2: |
0-100% LEL |
Measuring range3: |
0-100% Volume |
Sensor life: |
3 to 5 years typical |
Accuracy: |
±3% of full scale |
Response time: |
T90 < 15sec. With 100% LEL methane applied |
Zero drift: |
Less than 3% of full scale per year |
Electrical Classification: |
Explosion-proof , Ex d llC T6 |
Warranty: |
One year |
Approval: |
Korea Occupational safety Association/NEPSI (China) |
ENVIRONMENTAL SPECIFICATION |
|
Operating Temperature |
Electronics -40℃ TO 70℃ |
Storage Temperature range: |
-40℃ to 70℃ |
Operating Humidity range: |
5 to 100% RH |
Operating Humidity range: |
ATM. ± 10% |
MECHANICAL SPECIFICATION |
|
Weight: |
2.5kg |
Material (housing): |
Cast aluminum |
Material (sensor): |
SUS 304 |
Mounting Type: |
2" Pipe Mount / Surface Mount |
ELECTRICAL SPECIFICATION |
|
Input power: |
24V DC nominal |
Output signal: |
4-20mA(600 ohms max load) |
Alarm signal: |
2 × SPDT |
Cable Requirements: |
3-wire shield cable Max distance 2500M |
Digital communication: |
RS-485 MODBUS Stop Bits : 1 |
Baud Rate: |
9600 |
Parity: |
Even |
Date Bits: |
8 |
- Smart-Type Gas Detector, having a Built-In Micro Processor - Continuous Measuring of Combustible Gas and Vapours - Excellent Measurement Sensitivity and Stability - Integral alarm and fault relays - Calibration, Maintenance & Normal Measurement Modes - Display Gas Name, Range, Units & Operation mode - RS-485 output, MODBUS RTU protocol - 2-Line/16 Characters LCD display that Indicates the Density of Leaked Gas in Field, having Built -in Black Light - Magnetic Non-intrusive Interface - Magnetic Interface to configure Alarm - 3-wires Connection - 4-20 mA Signal output - Calibration by One Person and Easy maintenance |
可燃性氣體,係指丙烯晴、丙烯醛、乙炔、乙醛、氨、一氧化碳、乙烷、乙胺、乙苯、乙烯、氯乙烷、氯甲烷、氯乙烯、環氧乙烷、環氧丙烷、氰化氫、環丙烷、二甲胺、氫、三甲胺、二硫化碳、丁二烯、丁烷、丁烯、丙烷、丙烯、溴甲烷、苯、甲烷、甲胺、二甲醚、硫化氫及其他爆炸下限在百分之十以下或爆炸上限與下限之差在百分之二十以上之氣體。 |
* GTD-200Ex 型錄檔案請至 資料下載 。