遗漏模式可全量程（ppm/LEL/%Volime）检测可燃性气体,并可自动调整，可视可听可感知的报警系统，操作简单，可一键式操作，并可对一氧化碳进行检测 密闭空间检测模式可检测可燃性气体的泄露，并附高敏感的报警系统，数据下载、最大/最小检测值显示 Barhole 模式检测地下气体的泄露，再此模式下，检测到的可燃气体自动以%Volume显示检测结果 一氧化碳检测模式直接显示PPM，装入氧气传感器时即可对氧气进行检测 清除模式可以测量室内空气中的甲烷含量 嗅探器模式，通过半导体探针快速的检测甲烷遗漏量，可视指示器能够正确指出探针在管道的位置 压力密封模式 通过背面的传感器检测
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GT 40 TECHNICAL SPECIFICATIONS 40 TECHNICAL SPECIFICATIONS
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Size: 11.4 x 3.7 x 1.7 in / 290 x 95 x 43 mm
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Weight: 1.7 lbs / .78 kg with probe and batteries
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Temp: 4ºF-104ºF/-20ºC to +40ºC
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Humidity: 0-98% non condensing
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Alarms: High visibility LEDs on both sides of instrument
85 db audible alarm
All alarms user programmable via password protected menu
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Battery: 3 C batteries –LR14 alkaline or rechargeable
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Battery Life: Minimum 8 hours continuous alkaline or rechargeable
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Enclosure: High impact polycarbonate ABS blend
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Rating: IP 54
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Approvals: UL 913 Class I, Div 1, Groups C, D
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IECEx: Ex iad IIB T3
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Warranty: 2 years
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GT 40 SERIES SENSOR SPECIFICATIONS
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GAS
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RANGE
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INCREMENTS
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SENSOR TYPE
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02
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0-25%
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0.1%
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Electrochemical
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CO
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0-2000ppm
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1ppm
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Electrochemical
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H2S
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0-100ppm
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1ppm
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Electrochemical
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Dual Tox (CO/H2S)
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0-2000ppm /0-100ppm
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1ppm
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Electrochemical
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CH4
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0-10,000ppm
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1ppm
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MOS
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CH4
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0-100% LEL
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1%
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PELLISTOR
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CH4
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0-100% Volume
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1%
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Thermal Conductivity Sensor
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GT 40 MEASURING RANGES GT 40 MEASURING RANGES
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0 to 10,000 ppm Methane (Semiconductor Sensor)
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0 to 100% LEL Methane
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0 to 100% Volume Gas Methane
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0 to 25% Oxygen (O2)
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0 to 2000 ppm Carbon Monoxide (CO)
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0 to 100 ppm Hydrogen Sulphide (H2S)
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0 to 60 in. (0 to 150 mBar) Water Gauge
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