TQC LD7290 User manual

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UV POCKET FLASHLIGHT
LD7290
1SAFETY PRECAUTIONS
WARNING: The light from this flashlight is very powerful and should not be
shone directly into anyone's eyes, as this may cause short term blindness. If the
beam does shine in your eyes, close them and look away immediately.
2PRODUCT DESCRIPTION
Small, light weight, UV pocket flashlight powered by an ultra-high output 390-
410nm UV LED. This TQC UV pocket flashlight is used to detect contaminations that react under UV-
illumination and cannot be seen with naked eye such as some organic fats, alkaline contaminants etc. Ideal to
inspect the cleanliness of steel prior to painting.
2.1 Specifications
Light Source : LED
Chip : 1x Edixeon UV LED
Batteries : 3xAAA alkaline batteries
Net. weight : 76 grams excl. batteries
Wavelength : 395-410 NM
Beam distance : 50 meters
Burning time : 170 hours
IP No. : IP67
Contacts : Hard gold-plated contacts
Size : 32 x 126mm
3WHAT’S IN THE BOX?
UV pocket flashlight
3 x AAA alkaline battery
Wrist strap
Pouch
4PERFORM A MEASUREMENT
4.1 installing the batteries
Hold the aluminium casing firmly in one hand and
turn the end cap in a counter clockwise direction
until fully unscrewed (see figure) Pull the end cap
away from the casing and this will reveal the battery
cartridge. Place each battery in turn within the
cartridge ensuring that the polarity marks (+ and -)
on the battery match that of the cartridge. With all
LD7290

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batteries installed replace the cartridge in to the casing and turn the end cap in a clockwise direction until fully
tightened. The flashlight is now ready to use.
IMPORTANT: please make sure the batteries are installed correctly otherwise battery damage may occur,
possibly resulting in a explosion. Never try to recharge batteries or use new and used batteries together. Always
change all the batteries at the same time and only use high quality ones. Be careful not to touch the gold
contacts at the end of the battery cartridge or rest them against anything conductive as this could cause short
circuit. If you do not intend to use the flashlight for a long period of time, remove the batteries to prevent them
leaking and damaging the flashlight.
4.2 operating the flashlight
To switch on the flashlight simply press the end cap switch until it engages, then release. To switch the
flashlight off, press the end cap switch once again until it disengages, then release.
5DISCLAIMER
The right of technical modifications is reserved.
The information given in this manual is not intended to be exhaustive and any person using the product for any
purpose other than that specifically recommended in this manual without first obtaining written confirmation
from us as to the suitability of the product for the intended purpose does so at his own risk. Whilst we
endeavour to ensure that all advice we give about the product (whether in this manual or otherwise) is correct
we have no control over either the quality or condition of the product or the many factors affecting the use and
application of the product. Therefore, unless we specifically agree in writing to do so, we do not accept any
liability whatsoever or howsoever arising for the performance of the product or for any loss or damage (other
than death or personal injury resulting from our negligence) arising out of the use of the product. The
information contained in this manual is liable to modification from time to time in the light of experience and
our policy of continuous product development.