| 价格： | 定量： | >1 |
有毒气体探测器
* Continuous detection of combustible, oxygen & toxic gas in explosion hazardous area with flame proof structure
* Self diagnosis function with built-in Microprocessor
* Excellent selectivity by adapting detection principle only for oxygen & toxic gas
* Superior performance for detecting gas below TLV
* Multi functions and high quality with low cost of ownership
* Built-in Back light LCD display
* Auto calibration and program setting with magnet bar and LCD display
* 4-20mA DC output signal
* Calibration and maintenance by one worker
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TRANSMITTER & LOCAL DISPLAY TYPE COMB. OXYGEN & TOXIC GAS DETECTOR
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Model
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GTD-2000 Series
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Measuring gas
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Combustible gas
(LNG, LPG, H2, Methane, Butane & etc) |
Toxic gas (O2, CO, CL2, NH3 & etc) |
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Measuring type
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Diffusion type
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Measuring method
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Hot wire semiconductor cell, Catalytic cell, Thermal conductivity cell
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semiconductor cell, Electrochemical cell |
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Measuring range
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0~2000ppm, 0~100% LEL, 0~100% Vol
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Refer to ordering information |
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Response time
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< 15sec / 90% scale
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< 45sec / 90% scale |
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Accuracy
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±3% / Full scale
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Parameter controls
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Non intrusive control with Magnet bar (calibration, maintenance, alarm setting) |
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Operation mode display
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1-LED (Power)
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Measuring value display
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LCD display (Built in Back light 2-Line, 8 characters)
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Output signal
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Analogue output : Measuring output: 4-20 mA DC
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| Maintenance output: 3 mA DC | ||
| Calibration output: 2 mA DC | ||
| Fault output: 0 mA DC | ||
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Cable / Distance
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Power + signal cable: 3 wire (Above CVVSB 1.5sq ) / 2,500m max. |
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Conduit connection
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1/2" & 3/4" PF, NPT (3/4" PF standard)
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Mounting type
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2" Pole mount, Wall mount, Duct mount
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Operating temperature
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-20∩ ~ +50∩
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Operating humidity
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5 ~ 99%.RH (non-condensing)
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Operating power
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18 ~ 31V DC (24V DC normal) / 250mA max.
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AC 110/220V(Option)
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Dimensions
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136 x 166 x 110 (W X H X D) |
136 x 176 x 110 (W X H X D) |
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Weight
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1.5 kg
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2.1 kg |
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Approval
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Flame proof type (Ex d IIC T6)
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