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Diode test /
Set the selector switch to "
black test lead to the "COM" socket and the red test
lead to the V/Ω/TEMP/CAP socket. Connect the test
Measuring range
• Flow current: approx. 25 µA, return flow voltage:
approx. 2.8 V.
Continuity test
Set the selector switch to "
black test lead to the "COM" socket and the red test
lead to the V/Ω/TEMP/CAP socket. Connect the test
leads to the test circuit. With a resistance below 70 Ω,
a signal is audible.
WARNING! Risk of injury! Important:
Ensure no voltages are present and dis-
charge condensers on the measuring circuit.
Measuring range
-20 to 0 °C
0 to 400 °C
400 to 1000 °C
Frequency
Select the selector switch to "Hz". Connect the black
test lead to the "COM" socket and the red test lead to
the V/Ω/TEMP/CAP socket. Connect the test leads to
the test circuit. Read off measured result from the dis-
play.
Measuring range
20 kHz
• Sensitivity: 200 mV
• Max. input voltage 10 Vrms
Cleaning and maintenance
Cleaning
If the product has become dirty from daily use, it can
be cleaned with a damp cloth and some mild house-
hold detergent. Never use aggressive cleaners or sol-
vents for cleaning.
Maintenance
The product does not require any particular mainte-
nance when operated in accordance with the instruc-
tions for use.
Changing the batteries
A battery change is required when the battery symbol
appears in the display. The test leads must be discon-
nected from product before changing the battery!
– Remove the two screws on the rear side, open the
battery cover and remove discharged batteries.
Inset new batteries (1 × 9 V Power Pack 6F22).
Replace battery cover and re-tighten.
NOTICE! Risk of product damage! Use
only the specified batteries!
NOTICE! Risk of environmental damage!
Batteries do not belong in the household
waste! Please observe the statutory dis-
posal regulations!
/ •))". Connect the
Resolution
1 mV
/ •))". Connect the
Resolution
1 °C
Resolution
10 Hz
leads to the test object. Red test lead = anode, black
test lead = cathode. The forward bias drop is dis-
played.
Accuracy
Forward bias
Measuring
Function
range
•))
The integrated buzzer reports continu-
ity to 70 Ω
• Measuring circuit voltage: approx. 2.8 V.
Temperature
Select the selector switch to "TEMP/ °C". Insert the
temperature probes provided in the "COM" and V/Ω/
TEMP/CAP sockets. Touch the object to be tested
with the measuring tips. Read off measured result
from the display.
Accuracy
± 5 % + 5 digit
± 2 % + 3 digit
± 1 % + 3 digit
Accuracy
± 1.5 % + 10 digit
Changing the fuse
To change the fuse, remove the test leads from the
product beforehand and loosen the screws on the
rear side (two at bottom and one at top). Carefully
remove the rear side of the casing and replace fuse
with fuse of the same type (fuse F 10 A / 1000 V). Re-
tighten the product.
The F200 mA fuse is self-resetting and is thus a main-
tenance-free fuse.
NOTICE! Risk of product damage! Use
only the specified fuses!
5 year guarantee
Testboy products are subject to strict quality control.
However, if a malfunction should occur in daily use,
we grant a warranty of 5 years (only valid together
with the invoice). Fabrication or material faults are
remedied by us free of charge if the product is
returned to us unopened and without third-party inter-
vention. Damage caused by dropping or incorrect
handling is excluded from the warranty.
Please contact:
Testboy GmbH
Beim Alten Flugplatz 3
D-49377 Vechta
Tel: +49 (0)4441 89112 10
Fax: +49 (0)4441 84536
Email: support@testboy.de
GB
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