氣體偵測器-GTD-300

GTD-300


氣體偵測器

氣體偵測器

 產品簡介:

 氣體偵測器 GTD-300
*可燃性氣體偵測及氧氣連續偵測;毒氣在與火焰證明結構的危險區域。
*與固定微處理器的自我診斷作用 。
*可燃性氣體偵測及氧氣連續偵測;從低落的毒氣到各種各樣的偵測原則高感度 。
*優秀選擇性通過適應偵測,氧氣&毒氣。
*查出的氣體優越表現在TLV之下。
*穩定的質量和產品使用期限的被證明的偵測原則。
*鑲入後面光LCD顯示 。
*應用磁鐵棒調整LCD顯示的自動定標和位置設定。
*2階段警報。
*4-20mA DC輸出信號 。
*RS-485 Modbus通信 。
*監測容易配置由連續數據通報 。
*只需一名工作者即可設定和維護 。


 產品規格:

型    號

GTD-300Ex

GTD-300Tx

測量氣體

可燃氣體
(液化天然氣,液化石油氣,H 2,甲烷,丁烷及等)

有毒氣體
(O2,CO,CL2,NH3,HCl,HCN,SO 2&等)

測量類型

擴散型

測量方法

熱絲半導體電池,催化單元,

熱導池電化學電池,半導體電池

測量範圍

0~2000ppm, 0~100% LEL, 0~100% Vol 

參考訂購信息

反應時間

< 15sec / 90% scale

<45 sec / 90% scale

精    度

±3% / Full scale

參數控制

非侵入式控制磁鐵棒(校準,維修,報警設置)

操作模式顯示

4-LED(電源,2報警,1故障)

測量值顯示

LCD顯示(內置背光2行16字符)

報警信號輸出

250V 1A / 3-SPST繼電器觸點(2-報警,1故障)

輸出信號模擬輸出

測量輸出:4-20毫安DC

 

維護輸出:3毫安DC

 

校準輸出:2毫安DC

 

故障輸出:0毫安DC

 

數字輸出:RS-485的Modbus(可選)

有線/距離

電源+信號線:三線(以上CVVSB 1.5sq)/2500米最大。

 

RS-485數據通信電纜:1par(UL2919的RS-485)/千米最大值。

導管連接

1/2“和3/4”PF,NPT(3/4“PF標準)

安裝型

2“極安裝,壁掛式安裝,管道安裝

工作溫度

-20 ~ +50

工作濕度

5 ~ 95%.RH (non-condensing)

操作電源

18 ~ 31V DC (24V DC normal) / 250mA max.

尺寸

GTD-300Ex (Comb.) 152 x 168.5 x 109(W X H X D)

 

GTD-300Tx (Toxic.) 152 x 188.5 x 109 (W X H X D)

重量

2.1 kg

2.2 kg

防爆

Flame proof type (Ex d IIC T6)

 

 Specification:

SMART & LOCAL DISPLAY TYPE OXYGEN & TOXIC GAS DETECTOR

Model

GTD-300Ex

GTD-300Tx

Measuring gas

Combustible gas
(LNG, LPG, H2, Methane, Butane & etc)

Toxic gas
(O2, CO, CL2, NH3, HCL, HCN, SO2 & etc)

Measuring type

Diffusion type

Measuring method

Hot wire semiconductor cell,
Catalytic cell,
Thermal conductivity cell

Electrochemical cell, semiconductor cell

Measuring range

0~2000ppm, 0~100% LEL, 0~100% Vol 

Refer to ordering information

Response time

< 15sec / 90% scale

<45 sec / 90% scale

Accuracy

±3% / Full scale

Parameter controls

Non intrusive control with Magnet
bar (calibration, maintenance, alarm setting)

Operation mode display

4-LED (Power, 2-alarm, 1-Trouble)

Measuring value display

LCD display (Built in Back light 2-Line, 16 characters)

Alarm signal output

250V 1A / 3-SPST Relay contact (2-Alarm, 1-Trouble)

Output signal

                    Analogue output : Measuring output: 4-20 mA DC

 

                  Maintenance output: 3 mA DC

 

              Calibration output: 2 mA DC

 

      Fault output: 0 mA DC

 

                   Digital output : RS-485 Modbus (option)

Cable / Distance

Power + signal cable: 3 wire (Above CVVSB 1.5sq) / 2,500m max.

 

RS-485 data communication cable: 1par (UL2919 RS-485)   / 1,000m max.

Conduit connection

1/2" & 3/4" PF, NPT (3/4" PF standard)

Mounting type

2" Pole mount, Wall mount, Duct mount

Operating temperature

-20﹎ ~ +50﹎

Operating humidity

5 ~ 95%.RH (non-condensing)

Operating power

18 ~ 31V DC (24V DC normal) / 250mA max.

Dimensions

GTD-300Ex (Comb.) 152 x 168.5 x 109(W X H X D)

 

GTD-300Tx (Toxic.) 152 x 188.5 x 109 (W X H X D)

Weight

2.1 kg

2.2 kg

Approval

Flame proof type (Ex d IIC T6)

 

 Features:

* Continuous detection of combustible, oxygen & toxic gas in hazardous area with flame proof structure
* Self diagnosis function with built-in Microprocessor
* Detection of combustible, oxygen & toxic gas from low to high concentration owing to various detection principle            
* Excellent selectivity by adapting detection principle only for oxygen & toxic gas       
* Superior performance for detecting gas below TLV
* Stable quality and proved detection principle for service life
* Built-in Back light LCD display                 
* Auto calibration and program setting with magnet bar and LCD display          
* 2 stages Alarm, 1 Trouble display and relay output              
* 4-20mA DC output signal                  
* RS-485 Modbus communication
* Easy configuration of monitoring by Serial data communication         
* Calibration and maintenance by one worker
 

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