GTD-200Ex - 氣體偵測器 - 瓦斯偵測器(GAS) - 名發科技

氣體偵測器 GTD-200Ex

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

適用種類

可燃性氣體

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
　

Specification

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)

　

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
　

型錄