GTD-3000Ex - 氣體偵測器 - 瓦斯偵測器(GAS) - 名發科技

氣體偵測器 GTD-3000Ex

產品簡介

 

 

 

 

 

 

 氣體偵測器 GTD-3000Ex
用隔爆型結構▷連續檢測爆炸危險區域可燃氣體
與▷自診斷功能內置微處理器
▷檢測氣體從低到高的濃度,由於各種檢測原理
▷質量穩定,已探明的檢測原理的使用壽命
▷內置的背光LCD或OLED顯示屏
▷自動校準和程序設置有磁棒
▷2級警報,1-故障顯示和繼電器觸點輸出
▷的4-20mA DC輸出信號
監測通過RS-485的Modbus▷易於配置隔離串行數據通信(選配)
▷隨著警報單元
- 正常:綠色LED
- 報警:紅色LED,蜂鳴器(95 dB)的
-T盧布:黃色LED
▷校準和維護由一人

 

 


 

產品規格

型         號

GTD-3000EX

偵測種類

可燃性氣體,LNG,LPG,H2,甲烷,丁烷和等

測量類型

擴散型

測量方法

熱絲半導體電池熱導

偵測範圍

00%LEL0〜2,000ppm0〜100%VOL

反應時間

<10秒

      

±1.5%

參數控制

磁鐵棒調整(校準,維修,報警設置)

操作模式顯示

4-LED(電源,2級警報)

測量值顯示

LCD顯示(內置背光2行16字符)/ OLED

報警信號輸出

250V1A/3-SPST繼電器觸點(2級報警)

輸出信號

4-20mADC

維護信號

3毫安DC

校準信號

3毫安DC

故障信號

0毫安DC

數字輸出

RS-485的Modbus / POE

電        纜

電源+信號電纜:3線>1.5sq(AWG16)
RS-485數據通信電纜:1對(UL2919 RS-485)

導管連接

G. RC。 NPT 1/2“和3/4”(G3/4“:標準)

安裝方式

壁掛式

工作溫度

-20℃〜+ 60℃

工作濕度

5〜99%RH

操作電源

18〜31V DC(24V DC正常)/250毫安

外形尺寸

156 X186 X110(寬x高x深)毫米

重        量

1.8kg

認證防爆型

( CE ) Ex d型IIC T6,IP65


 

Specification

 

INTELLIGENT & LOCAL DISPLAY TYPE GAS DETECTOR GTD-3000Ex

Model

GTD-3000Ex

Measuring gas

Flammable gases (LNG, LPG, H2, Methane, Butane & etc)

Measuring type

Diffusion type

Measuring method

Catalytic cell  /  Hot wire semiconductor cell  /  Thermal conductivity cell

Measuring range

 0~100% LEL /              0~2,000ppm            /            0~100% Vol

Response time

10 sec

Accuracy

±1.5% / Full scale

Parameter control

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

Operation mode display

4-LED (Power, 2-stage alarm, 1-trouble)

Measuring value display

LCD display (Built in back light  2-Line, 16 characters) / OLED Tpye (Option)

Alarm signal output

250V 1A / 3-SPST relay contact (2-stage alarm, 1-trouble)

Output signal

Analog : Measuring signal : 4-20mA DC

            Maintenance signal : 3mA DC

            Calibration signal : 3mA DC

            Fault signal : 0mA DC

Digital : RS-485 Modbus(Option)

Cable

Power + Signal cable : 3-wire 1.5sq (AWG16)

RS-485 data communication cable : 1 pair (UL2919 RS-485)

Conduit connection

G. Rc. NPT 1/2" & 3/4" (G 3/4" : standard)

Mounting type

2" Pole mount, Wall mount, Duct mount

Operating temperature

-20 ~ +60

Operating humidity

5 ~ 99%.RH (non-condensing)

Operating power

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

Dimensions

156 x 186 x 110 (W x H x D)mm

Weight

1.8kg

Approval

Explosion proof type (Ex d IIC T6, IP65) KCs

Explosion proof type (Ex d IIC T5 Gb) NEPSI

CE (EN 50270:2006)


 

Features

▷ pressure continuously to detect combustible gas installations in explosion hazardous areas as explosion-proof construction
▷ Built-in self-diagnostic function is applied to the microprocessor
▷ measuring a combustible gas of high concentration to a low concentration in a variety of detection principles applied
▷ stable quality and proven detection principle applies to life
▷ with a built-in Back-Light LCD or OLED display
▷ magnetic bar using LCD or OLED display and a 1: 1 program in the remote calibration and interactive
▷ 2 단 alarm and one fault indication and relay contact output
▷ 4-20mA DC output signal
▷ easy to build a monitoring system with RS-485 Modbus Serial Communication
▷ calibration and maintenance by the operator 1


 

型錄