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产品描述：
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、zui大/zui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.
技术参数：
| GT 40 TECHNICAL SPECIFICATIONS 40 TECHNICAL SPECIFICATIONS |
| Size: 11.4 x 3.7 x 1.7 in / 290 x 95 x 43 mm |
| Weight: 1.7 lbs / .78 kg with probe and batteries |
| Temp: 4ºF-104ºF/-20ºC to +40ºC |
| Humidity: 0-98% non condensing |
| Alarms: High visibility LEDs on both sides of instrument 85 db audible alarm All alarms user programmable via password protected menu |
| Battery: 3 C batteries –LR14 alkaline or rechargeable |
| Battery Life: Minimum 8 hours continuous alkaline or rechargeable |
| Enclosure: High impact polycarbonate ABS blend |
| Rating: IP 54 |
| Approvals: UL 913 Class I, Div 1, Groups C, D |
| IECEx: Ex iad IIB T3 |
| Warranty: 2 years |
| GT 40 SERIES SENSOR SPECIFICATIONS | |||
| GAS | RANGE | INCREMENTS | SENSOR TYPE |
| 02 | 0-25% | 0.1% | Electrochemical |
| CO | 0-2000ppm | 1ppm | Electrochemical |
| H2S | 0-100ppm | 1ppm | Electrochemical |
| Dual Tox (CO/H2S) | 0-2000ppm /0-100ppm | 1ppm | Electrochemical |
| CH4 | 0-10,000ppm | 1ppm | MOS |
| CH4 | 0-* LEL | 1% | PELLISTOR |
| CH4 | 0-* Volume | 1% | Thermal Conductivity Sensor |
| GT 40 MEASURING RANGES GT 40 MEASURING RANGES |
| 0 to 10,000 ppm Methane (Semiconductor Sensor) |
| 0 to * LEL Methane |
| 0 to * Volume Gas Methane |
| 0 to 25% Oxygen (O2) |
| 0 to 2000 ppm Carbon Monoxide (CO) |
| 0 to 100 ppm Hydrogen Sulphide (H2S) |
| 0 to 60 in. (0 to 150 mBar) Water Gauge |
| 定货号 | 产品名称 | 规格配置 |
| MM-14385-00 | GT44可燃气体检测仪 | 主机（含三量程可燃气传感器），可弯曲采样探针，用户手册，手提箱 |
| MM-14385-98 | 67294充电电池 | 3个/包 |
| MM-14385-99 | 67134标准充电器 |
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