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氫氣探測(cè)器GTD-300Ex 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: 丙烷、H2氫氣、LPG、LNG、瓦斯、
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<="" span="">
<45 sec 90% scale<="" span="">
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