遺漏模式可全量程（ppm/LEL/%Volime）檢測可燃性氣體,并可自動調整，可視可聽可感知的報警系統，操作簡單，可一鍵式操作，并可對一氧化碳進行檢測 密閉空間檢測模式可檢測可燃性氣體的泄露，并附高敏感的報警系統，數據下載、最大/最小檢測值顯示 Barhole 模式檢測地下氣體的泄露，再此模式下，檢測到的可燃氣體自動以%Volume顯示檢測結果 一氧化碳檢測模式直接顯示PPM，裝入氧氣傳感器時即可對氧氣進行檢測 清除模式可以測量室內空氣中的甲烷含量 嗅探器模式，通過半導體探針快速的檢測甲烷遺漏量，可視指示器能夠正確指出探針在管道的位置 壓力密封模式 通過背面的傳感器檢測

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	0-100%  LEL	1%	PELLISTOR
CH4	0-100%  Volume	1%	Thermal Conductivity Sensor

GT 40 MEASURING RANGES GT 40 MEASURING RANGES

0 to 10,000 ppm Methane (Semiconductor Sensor)

0 to 100%  LEL Methane

0 to 100%  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