GTD-300 - 氣體偵測器 - 瓦斯偵測器(GAS)

氣體偵測器 GTD-300

產品簡介


	氣體偵測器 GTD-300 可燃性氣體偵測及氧氣連續偵測;毒氣在與火焰證明結構的危險區域。與固定微處理器的自我診斷作用。可燃性氣體偵測及氧氣連續偵測;從低落的毒氣到各種各樣的偵測原則高感度。優秀選擇性通過適應偵測,氧氣&毒氣。查出的氣體優越表現在TLV之下。穩定的質量和產品使用期限的被證明的偵測原則。鑲入後面光LCD顯示。應用磁鐵棒調整LCD顯示的自動定標和位置設定。 * 2階段警報。 * 4-20mA DC輸出信號。 * RS-485 Modbus通信。監測容易配置由連續數據通報。只需一名工作者即可設定和維護。

產品規格

SMART & LOCAL DISPLAY TYPE OXYGEN & TOXIC GAS DETECTOR
型號	GTD-300Ex	GTD-300Tx
測量氣體	可燃氣體（液化天然氣，液化石油氣，H 2，甲烷，丁烷及等）	有毒氣體（O2，CO，CL2，NH 3，HCl，HCN，SO 2＆等）
測量類型	擴散型
測量方法	熱絲半導體電池，催化單元，	熱導池電化學電池，半導體電池
測量範圍	0~2000ppm, 0~100% LEL, 0~100% Vol	參考訂購信息
反應時間	< 15sec / 90% scale	<45 sec / 90% scale
精度	±3% / Full scale
參數控制	非侵入式控制磁鐵棒（校準，維修，報警設置）
操作模式顯示	4-LED（電源，2報警，1故障）
測量值顯示	LCD顯示（內置背光2行16字符）
報警信號輸出	250V 1A / 3-SPST繼電器觸點（2-報警，1故障）
輸出信號模擬輸出	測量輸出：4-20毫安DC
	維護輸出：3毫安DC
	校準輸出：2毫安DC
	故障輸出：0毫安DC
	數字輸出：RS-485的Modbus（可選）
有線/距離	電源+信號線：三線（以上CVVSB 1.5sq）/2500米最大。
	RS-485數據通信電纜：1par（UL2919的RS-485）/千米最大值。
導管連接	1/2“和3/4”PF，NPT（3/4“PF標準）
安裝型	2“極安裝，壁掛式安裝，管道安裝
工作溫度	-20﹎ ~ +50﹎
工作濕度	5 ~ 95%.RH (non-condensing)
操作電源	18 ~ 31V DC (24V DC normal) / 250mA max.
尺寸	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)
重量	2.1 kg	2.2 kg
防爆	Flame proof type (Ex d IIC T6)

Specification

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
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