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![](https://ae01.alicdn.com/kf/HTB1fgFTiYZnBKNjSZFGq6zt3FXaf/40-640ppm.jpg) ![](https://ae01.alicdn.com/kf/HTB1SkHwyVmWBuNjSspdq6zugXXa3/40-640ppm.jpg) ![](https://ae01.alicdn.com/kf/HTB1kFodiPQnBKNjSZSgq6xHGXXaP/40-640ppm.jpg) ![](https://ae01.alicdn.com/kf/HTB1_IAOy1uSBuNjSsziq6zq8pXah/40-640ppm.jpg) aHR0cDovL2ZyZWVzaGlwLmNvLmty![](https://ae01.alicdn.com/kf/HTB1fgFTiYZnBKNjSZFGq6zt3FXaf/40-640ppm.jpg) ![](https://ae01.alicdn.com/kf/HTB1SkHwyVmWBuNjSspdq6zugXXa3/40-640ppm.jpg) ![](https://ae01.alicdn.com/kf/HTB1kFodiPQnBKNjSZSgq6xHGXXaP/40-640ppm.jpg) ![](https://ae01.alicdn.com/kf/HTB1_IAOy1uSBuNjSsziq6zq8pXah/40-640ppm.jpg) ![](https://ae01.alicdn.com/kf/HTB1VbMvy1OSBuNjy0Fdq6zDnVXaT/40-640ppm.jpg)
- ¸ðµ¨ ¹øÈ£: GD-7291
- LCD È¸é ¿É¼Ç: ¾øÀ½
- °¡½º À¯Çü: Methane and Propane
- DIY ¿ëÇ°: ŸÀϸµ
- ºê·£µå À̸§: az
- ±Ù¿ø: CN (Á¤Ç°)
- Sensitivity:: 40ppm (Methane & Propane)
- Auto Power Off:: 10 minutes from power on
- Warm up time:: < 60 seconds
- Power supply:: 4pcs 1.5V AA batteries (preferably alkaline type) or 9V adaptor
- Probe length/Size:: 447mm /175 x 70 x 38mm
- Range:: 40 to 640ppm (Methane & Propane)
- Sensor:: Semiconductor
- Response Time:: < 10 seconds
- Operation Temperature Range:: -5 ~ 45degree C
- Indicator:: Intermittent beep (Acoustic) / LED (Visual)
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![](https://ae01.alicdn.com/kf/HTB1kapFi7omBKNjSZFqq6xtqVXaI.jpg) ![](https://ae01.alicdn.com/kf/HTB1a9tIzhWYBuNjy1zkq6xGGpXac.jpg) ![](https://ae01.alicdn.com/kf/HTB130Xbzb9YBuNjy0Fgq6AxcXXaZ.jpg) ![](https://ae01.alicdn.com/kf/HTB1fvCOqNuTBuNkHFNRq6A9qpXam.jpg) ![](https://ae01.alicdn.com/kf/HTB1smVyzkSWBuNjSszdq6zeSpXaK.jpg)
Á¶°Ç ÆǸŠ![](https://ae01.alicdn.com/kf/HTB1iJGGgviSBuNkSnhJq6zDcpXaD.jpg)
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