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Summary of Contents for General NGD269
- Page 1 COMBUSTIBLE GAS LEAK DETECTOR WITH DIGITAL LEVEL READOUT USER MANUAL NGD269 Read this manual carefully and thoroughly before using the product.
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Page 2: Table Of Contents
• Detects the presence of most combustible gases without measuring or displaying their concentration. The unit’s analog bar graph, and the speed and tone of its audible alarm, enable the NGD269 to pinpoint the location of a gas leak by comparing its responses to gas exposure at different points. -
Page 3: Safety Instruction
PRODUCT OVERVIEW Fig. 1 shows the key components of the NGD269. Fig. 2 shows a typical readout in detection mode. Use Fig. 1 to familiarize yourself with the position and function of all components before moving on to the safety, setup and operating instructions. -
Page 4: Setup Instructions
CHARGE THE BATTERY Before using the NGD269 for the first time, charge the battery by plugging one end of the included charger into a 110VAC power source and the other end into the battery charging jack on the left side of the unit (Fig. 1, Callout 7). During charging, it is normal for the back of the unit to feel warm. -
Page 5: Measuring Ch 4 , C 3 H 8 And H 2
%LEL (lower explosive level) and %Vol (percentage by volume). To make it easier to detect gas leaks in any setting, the NGD269 allows you to make the gas concentration of the working environment the measurement baseline. To do so, press the Zero button. -
Page 6: Step 3. Set And Save Calibration Points
However, if any value in the right column with an asterisk is very different from its benchmark value, ERROR! will appear at the bottom of the screen to indicate that calibration of the target gas at the current concentration has failed. In this case, General suggests that you use a different cylinder of reference gas and try again. -
Page 7: Operating And Maintenance Guidelines
SENSOR FAIL! The sensor has an average useful life of two years. • Using spare parts from an unknown source, or a battery charger other than the one supplied voids the NGD269’s one-year limited warranty. Attempting to disassemble or repair the instrument also voids the warranty. -
Page 8: Warranty Information
Any implied warranties arising from the sale of a General product, including but not limited to implied warranties of merchantability and fitness for a particular purpose, are limited to the above. General shall not be liable for loss of use of the product or other incidental or consequential damages, expenses, or economic loss, or for any claim of such damage, expenses, or economic loss.
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