Previous Next

氣體偵測器-GTD-3000Ex

GTD-3000Ex


氣體偵測器

可燃性氣體偵測器

產品簡介:

 氣體感測器 GTD-3000Ex
 用隔爆型結構
▷連續檢測爆炸危險區域可燃氣體
▷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
▷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)
-T盧布:黃色LED
▷氣體感測器校準和維護由一人


 產品規格:

型號

GTD-3000Ex

測量氣體

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

測量類型

擴散式

測量原理

觸煤燃燒

熱線半導體

熱傳導

測量範圍

0~100% LEL

0~2,000ppm

0~100% Vol

回應時間

< 15sec / 90% scale

精度

±3% / Full scale

參數控制

非開蓋型控制磁棒 ( 校正、維修、警報設置 )

工作模式顯示

4個 LED ( 電源,2警報,1故障 )

測量值顯示

液晶顯示器 ( 內置背光2行16個字元 ) / OLED ( 可選 )

警報輸出

2@30VDC,0.5A@125VAC/3-SPST relay contact

輸出信號

模擬輸出:
測量信號:4-20mA DC
校正信號:3mA DC
故障信號:0mA DC
Digital:RS-485 Modbus ( 可選 )

材料

Housing:ALDC, SUS316 ( Option )
Sensor : SUS316

電氣連接

Standard: PF 3/4” Option: NPT 1/2” NPT3/4”
M20*1.5P,M25*1.5P

安裝方式

壁掛室、管道式

工作溫濕度

-20℃ ~ +60℃ / 5 ~ 99%.RH ( non-condensing )

尺寸和重量

156(W) x 186(H) x 110(D)mm / 1.8kg

 

 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 
 

    * GTD-3000Ex 型錄檔案請至 資料下載