Projecta DT830B Bruksanvisning

Projecta Multimeter DT830B

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DIGITAL
MULTIMETER
P/No. DT830B
BATTERY & FUSE
The low battery symbol ‘ ‘ will be displayed when
the internal 9V battery is low (<7.5V), indicating that
the battery should now be replaced. If the meter does
not function on the DCA range, the internal 500mA
fuse may have blown. To replace the battery or fuse,
remove the test leads from the meter and remove the
two screws from the rear cover. Replace the battery
or fuse and then reassemble.
WARRANTY STATEMENT
Applicable only to product sold in Australia
Brown & Watson International Pty Ltd of 1500 Ferntree Gully Road, Knoxfield,
Vic., telephone (03) 9730 6000, fax (03) 9730 6050, warrants that all products
described in its current catalogue (save and except for all bulbs and lenses
whether made of glass or some other substance) will under normal use and
service be free of failures in material and workmanship for a period of one (1)
year (unless this period has been extended as indicated elsewhere) from the
date of the original purchase by the consumer as marked on the invoice. This
warranty does not cover ordinary wear and tear, abuse, alteration of products
or damage caused by the consumer.
To make a warranty claim the consumer must deliver the product at their cost
to the original place of purchase or to any other place which may be nominated
by either BWI or the retailer from where the product was bought in order that
a warranty assessment may be performed. The consumer must also deliver the
original invoice evidencing the date and place of purchase together with an
explanation in writing as to the nature of the claim.
In the event that the claim is determined to be for a minor failure of the product
then BWI reserves the right to repair or replace it at its discretion. In the event
that a major failure is determined the consumer will be entitled to a replacement
or a refund as well as compensation for any other reasonably foreseeable loss or
damage.
This warranty is in addition to any other rights or remedies that the consumer
may have under State or Federal legislation.
IMPORTANT NOTE
Our goods come with guarantees that cannot be excluded under the Australian
Consumer Law. You are entitled to a replacement or refund for a major failure
and compensation for any other reasonably foreseeable loss or damage. You
are also entitled to have the goods repaired or replaced if the goods fail to be of
acceptable quality and the failure does not amount to a major failure.
TRANSISTOR CHECK
1. Set the Function switch to the ‘hFE’ setting.
2. Turn the meter ‘ON’
3. Connect the component leads of the transistor to the
correct pins of the transistor jack (Emitter, Base &
Collector) depending on whether it is a NPN or PNP
type; you may need the component specification
sheets to help you identify this.
4. The meter will display the hFE measurement.
MEASURING RESISTANCE
1. Connect the RED test lead to the ‘V mA’ jack and Ω
the BLACK test lead to the ‘COM’ jack
2. Set the Function switch to the correct ‘ ’ range.Ω
3. Turn the meter ‘ON’
4. Connect the test probes across the Resistance to
be measured. Ensure that the component or circuit
under test in not energised.
MEASURING DC CURRENT
(UP TO 10A)
1. Connect the RED test lead to the ‘10ADC’ jack and
the BLACK test lead to the ‘COM’ jack
2. Set the Function switch to the ‘10A’ setting.
3. Turn the meter ‘ON’
4. Connect the test probes so that the meter
becomes part of the circuit to be measured.
Ensure that the circuit load is less than 10Amps or
the meter will be damaged.
DIODE CHECK
1. Connect the RED test lead to the ‘V mA’ jack and Ω
the BLACK test lead to the ‘COM’ jack
2. Set the Function switch to the ‘ ‘ setting.
3. Turn the meter ‘ON’
4. Connect the test probes across the diode, Positive
probe (RED) to the ‘anode’ and Negative probe
(BLACK) to the ‘Cathode’.
5. If the diode is functioning the meter should display
the diode forward Voltage drop, usually between
500–700mV.
LOAD
IS293
Issue 2 24/2/15
WARNINGS
Do not exceed the meter’s voltage or current limits.
Use caution when testing voltages higher than 50VAC
or 110VDC.
Do not use if the meter or test leads are damaged.
Remove test leads before replacing the battery or fuse.
NOTE: The DT830B should be stored below 60°C
SPECIFICATIONS
Polarity: Auto indication (-)
Voltage: DCV: 200mV, 2000mV, 20V, 200V
& 1000V
ACV: 200V & 750V (45-450Hz)
Current: DCA 200 A, 2000 A, 20mA, µ µ
200mA & 10A
Resistance: 200Ohm, 2000Ohm, 20kOhm
& 200kOhm
Dry cell battery check: 1.5V (AAA, AA, C & D) & 9V
Diode test: 1mA current for forward Vdrop
Transistor test: hFE (0-1000) @ 3.2Vce
Accuracy: < ± 1.0% full scale reading
Battery: 9V Dry Cell
Internal Fuse: M205 (F500mA)
Low battery warning: 7.5V
Size: 126mm X 69mm X 24mm
Weight: 115g
OPERATING INSTRUCTIONS
Controls
The ‘ON/OFF’ switch is used to turn the meter ‘ON’.
To conserve battery power, always turn the meter
‘OFF’ when not in use.
The parameter to be measured is selected using the
rotary ‘Function’ switch.
For accuracy make sure the correct range is used.
When the display shows ‘1’ this indicates an
over-range reading, use the next highest range.
Connecting Test Leads
There are three connection jacks, marked:
1. 10ADC
2. VΩmA
3. COM
The BLACK test lead should be placed in the
‘COM’ jack.
For most measurements, except current over
200mA the RED test lead should be placed in the
‘VΩmA’ jack.
For current over 200mA but less than 10A the RED
test lead should be placed in the ‘10ADC’ jack.
MEASURING DC VOLTAGE
1. Connect the RED test lead to the ‘V mA’ jack and Ω
the BLACK test lead to the ‘COM’ jack
2. Set the Function switch to the correct ‘DCV’ range.
3. Turn the meter ‘ON’
4. Connect the test probes across the Voltage to be
measured.
MEASURING AC VOLTAGE
1. Connect the RED test lead to the ‘V mA’ jack and Ω
the BLACK test lead to the ‘COM’ jack
2. Set the Function switch to the correct ‘ACV’ range.
3. Turn the meter ‘ON’
4. Connect the test probes across the Voltage to be
measured.
BATTERY CHECK (DRY CELL,
1.5V & 9V)
1. Connect the RED test lead to the ‘V mA’ jack and Ω
the BLACK test lead to the ‘COM’ jack
2. Set the Function switch to the ‘ ‘ setting.
3. Turn the meter ‘ON’
4. Connect the test probes across the terminals of
the battery to be measured, red probe to the (+)
terminal of the battery.
5. The meter will apply a small load to the battery and
display the current in mA (if the reading is close to
or above the following values, the battery is in good
condition:
– 1.5V battery (AAA,
AA, C, D) 4.0mA
– 9V battery 25mA
MEASURING LOW DC CURRENT
(<200MA)
1. Connect the RED test lead to the ‘VΩmA’
jack and the BLACK test lead to the ‘COM’ jack
2. Set the Function switch to the correct
‘DCA’ range.
3. Turn the meter ‘ON’
4. Connect the test probes so that the meter
becomes part of the circuit to be measured.
If the load current is higher than 200mA the
internal fuse will blow.
LOAD
LOAD
LOAD

Produktspecifikationer

Varumärke: Projecta
Kategori: Multimeter
Modell: DT830B

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