产品名称：一氧化碳侦测器 GTD-300Tx

一氧化碳侦测器  GTD-300Tx                                                                                                                               产品简介

  *可燃性气体侦测及氧气连续侦测;毒气在与火焰证明结构的危险区域。

*与固定微处理器的自我诊断作用。

*可燃性气体侦测及氧气连续侦测;从低落的毒气到各种各样的侦测原则高感度。

*优良选择性通过适应侦测,氧气&毒气。 

*查出的气体优越表现在TLV之下。

*稳定的质量和产品使用期限的被证明的侦测原则。

*镶入后面光LCD显

*应用磁铁棒调整LCD显示的自动定标和位置设定。

* 2阶段警报。

* 4-20mA DC输出信号。

* RS-485 Modbus通信。

*监测容易配置由连续数据通报。

*只需一名工作者即可设定和维护。

*检测气体: CO一氧化碳

產品規格

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