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1615
2) Set the function/range switch to any one of
the AC voltage ranges and read the decibel
measurement on the bottom (red) scale of
the faceplate. Based on the AC voltage range
you selected, you will need to compute the
actual measurement by using the decibel
conversion chart located at the bottom right
of the faceplate.
Important: For absolute decibel measurements,
circuit impedance must be at least 600 ohms. -0-
decibels = 1 milliwatt in a 600 ohm impedance
(equivalent to 0.775 volts across 600 ohms).
9. Household Batteries
Household batteries can be tested in either one
of two ways. For a good/bad check, set the
function/range switch to the 1.5V or 9V BAT
setting depending on which type of battery is to
be tested. Plug the red test lead into the jack
marked " V.Ω.A.". Touch the red (+) lead to the
(+) terminal of the battery and the black (-) lead
to the (-) terminal of the battery. Read the BAT
scale at the very bottom of the scale plate. The
scale will indicate if the battery is good,
questionable or should be replaced. To more
accurately measure the voltage value of
household batteries, set the function/range
switch to 10 DCV and touch the leads to the
battery as before. Read the 0-10 scale to
determine the condition of the battery.
10. Battery and Fuse Replacement
1) Remove the screw in the back cover of the
meter and carefully separate the back cover
from the front.
2) Note the polarity of the battery when
removing it from its compartment and replace.
3) Use F500mA 250V replacement fuses, GB
model GF-0306
4) Carefully replace the back cover and tighten
the screw. Do not overtighten, as this may
strip the threads in the meter housing.
11. Warranty
1 YEAR WARRANTY limited solely to repair
or replacement; no warranty of
merchantability or fitness for a particular
purpose. Product is warrantied to be free
of defects in materials and workmanship
for the normal life of the product. In no
event shall Gardner Bender be liable for
incidental or consequential damage.
12. Correct Disposal of this product
This marking indicates that this
product should not be disposed with
other household wastes throughout
the EU. To prevent possible harm to
the environment or human health
from uncontrolled waste disposal, recycle it
responsibly to promote the sustainable reuse
of material resources. To return your used
device, please use the return and collection
systems or contact the retailer where the
product was purchased. They can take this
product for environmental safe recycling.
GMT-318 0415
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