General Tools and Instruments PNG2000A - Manual (Page 4)

LOW ALARM: when the gas concentration is between the low
alarm and high alarm point, the detector will give a sound alarm
every 0.5 second and the yellow LED will light.
HIGH ALARM: when the gas concentration is above the high
alarm point, the detector will give a sound alarm every
0.5 second, the red LED and the yellow LED will light.
LOW VOLTAGE: when the battery power is lower than 2.7V, the
detector will give a sound alarm every 30 seconds.
SENSOR FAULT: when the sensor faults, the detector will give a
sound alarm every 1.5 seconds and the yellow LED will light.
6. NOTICES:
• The alarm may be activated if there is smoke, alcohol, perfume or
other volatile items in the vacinity.
• Please activate the product in clean air. If the detector is
activated in a gas concentration above 30%LEL, the detector may
indicate sensor fault. Then you need to reactivate the detector in
clean air.
• Avoid excess shock. Do not place any pressure on the tip.
• Low voltage may affect the sensitivity. Please replace the
batteries as soon as possible when the power is low.
• Don’t store the detector in the environment with caustic gas.
• Please operate according to the operation manual.
DECLARATION:
Specifications and Features are subject to change without notice.
PNG2000A-Manual-FINAL-121807 12/18/07 3:36 PM Pag