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氣體偵測器-GTD-200Ex

GTD-200Ex


氣體偵測器

可燃性氣體偵測器

產品簡介:

 防爆型氣體偵測器 GTD-200Ex
-防爆結構,安裝在氣體洩漏地帶,連續偵測氣體洩漏情況。
-產品性能穩定,壽命長,靈敏度高,選擇性強,性能好。
-內置微型處理具有偵測,校正,檢查模式轉換功能,根據不同的工作狀態,輸出相應的信號。
-液晶顥示,以數字方式顯示偵測到的氣體洩漏程度及工作狀況。
-4-20mA標準輸出信號,備有RS485接口。
-根據現場實際情況,可選擇各種附件,(如過濾器,檔泥板,遮雨板 )。
-磁棒還距設定,檢查結構。
-利用催化燃燒式,熱傳導式,燃燒型半導體式,非分散式紫外線檢查原理,偵測最低濃度至最高濃度的所有可燃性氣體。


 產品規格:

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

 

 產品規格:

PRODUCT SPECIFICATION

Sensor Type:

Continuous Diffusion

Function:

Local LCD Display type
Intelligent set-up function
Transmitter type

Service:

Indoor or outdoor locations
Including hazardous areas

Measuring range1:

O-2000 ppm
Semiconductor cell

Measuringrange2:

0-100% LEL
Catalytic cell

Measuring range3:

0-100% Volume
Thermal conductivity cell

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)

 

 產品規格:

ENVIRONMENTAL SPECIFICATION

Operating Temperature
range:

Electronics -40℃ TO 70℃
Standard sensor -50℃ to 80℃
High Temp sensor -50℃ to 250℃

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
18 to31V DC /230mA max

Output signal:

4-20mA(600 ohms max load)
Malfunction           2mA
Setup mode          2mA
Calibration            0mA

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

 

 Features:

- 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
 

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