一氧化碳偵測(cè)器  GTD-300Tx                                                                                                                               產(chǎn)品簡(jiǎn)介

  *可燃性氣體偵測(cè)及氧氣連續(xù)偵測(cè);毒氣在與火焰證明結(jié)構(gòu)的危險(xiǎn)區(qū)域。

*與固定微處理器的自我診斷作用。

*可燃性氣體偵測(cè)及氧氣連續(xù)偵測(cè);從低落的毒氣到各種各樣的偵測(cè)原則高感度。

*優(yōu)良選擇性通過(guò)適應(yīng)偵測(cè),氧氣&毒氣。 

*查出的氣體優(yōu)越表現(xiàn)在TLV之下。

*穩(wěn)定的質(zhì)量和產(chǎn)品使用期限的被證明的偵測(cè)原則。

*鑲?cè)牒竺婀釲CD顯

*應(yīng)用磁鐵棒調(diào)整LCD顯示的自動(dòng)定標(biāo)和位置設(shè)定。

* 2階段警報(bào)。

* 4-20mA DC輸出信號(hào)。

* RS-485 Modbus通信。

*監(jiān)測(cè)容易配置由連續(xù)數(shù)據(jù)通報(bào)。

*只需一名工作者即可設(shè)定和維護(hù)。

*檢測(cè)氣體: CO一氧化碳

產(chǎn)品規(guī)格

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<="" font=""> 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

型錄