Velleman K7101 Manual de usuario
K7101
H7101IP-1
With thisdevicewires can be very
easilycheckedformainsvoltage.
MAINS VOLTAGE DETECTOR
VELLEMAN NV
Legen Heirweg 33
9890 Gavere
Belgium Europe
www.velleman.be
www.velleman-kit.com
3
With this kit one can easily determine whether a wire is live or not. This kit can be used to detect wiring within walls or breaks
in cabling. A flashing LED shows whether a current is detected, while the speed at which the LED flashes indicates how
close one is to the wiring. For those wanting an audible signal, space is provided on the print for connecting a buzzer type
SV4/12. The small PCB has been specially designed to be incorporated into the separately available casing type G407.
TECHNICAL SPECIFICATIONS
Detection of phase conductor
LED indicator (buzzer as option)
Adjustable detection range (10cm max.)
Range indication
Supply: 9V battery
Dimensions: 56x64mm
Features & Specifications
4
Assembly hints
1. Assembly (Skipping this can lead to troubles ! )
Ok, so we have your attention. These hints will help you to make this project successful. Read them carefully.
1.1 Make sure you have the right tools:
A good quality soldering iron (25-40W) with a small tip.
Wipe it often on a wet sponge or cloth, to keep it clean; then apply solder to the tip, to give it a wet look. This is called ‘thinning’ and will
protect the tip, and enables you to make good connections. When solder rolls off the tip, it needs cleaning.
Thin raisin-core solder. Do not use any flux or grease.
A diagonal cutter to trim excess wires. To avoid injury when cutting excess leads, hold the lead so they
cannot fly towards the eyes.
Needle nose pliers, for bending leads, or to hold components in place.
Small blade and Phillips screwdrivers. A basic range is fine.
For some projects, a basic multi-meter is required, or might be handy
1.2 Assembly Hints :
Make sure the skill level matches your experience, to avoid disappointments.
Follow the instructions carefully. Read and understand the entire step before you perform each operation.
Perform the assembly in the correct order as stated in this manual
Position all parts on the PCB (Printed Circuit Board) as shown on the drawings.
Values on the circuit diagram are subject to changes.
Values in this assembly guide are correct*
Use the check-boxes to mark your progress.
Please read the included information on safety and customer service
* Typographical inaccuracies excluded. Always look for possible last minute manual updates, indicated as ‘NOTE’ on a separate leaflet.
0
.0
0
0
5
R1 : 4M7 (4 - 7 - 5 - B)
R2 : 4M7 (4 - 7 - 5 - B)
R3 : 8K2 (8 - 2 - 2 - B)
R4 : 47K (4 - 7 - 3 - B)
R5 : 470 (4 - 7 - 1 - B)
R6 : 3K3 (3 - 3 - 2 - B)
R7 : 330 (3 - 3 - 1 - B)
R8 : 330 (3 - 3 - 1 - B)
R9 : 27K (2 - 7 - 3 - B)
R10 : 330K (3 - 3 - 4 - B)
R11 : 1M5 (1 - 5 - 5 - B)
R12 : 4M7 (4 - 7 - 5 - B)
R13 : 1K (1 - 0 - 2 -B)
R14 : 10K (1 - 0 -3 - B)
1. Resistors
R...
Construction
C1 : 10nF (103)
C2 : 10nF (103)
C3 : 10nF (103)
c...
3. Capacitors
ZD1 : 3V9
2. Zenerdiode. Watch the
polarity !
CATHODE
ZD...
C4 : 10µF
C5 : 33µF
4. Electrolytic Capacitors.
Watch the polarity !
C...
T1 : BC547
T2 : BC547
T3 : BC547
T4 : BC547
T5 : BC557
5. Transistors
T1
6
Assembly hints
1.3 Soldering Hints :
1- Mount the component against the PCB surface and carefully solder the leads
2- Make sure the solder joints are cone-shaped and shiny
3- Trim excess leads as close as possible to the solder joint
REMOVE THEM FROM THE TAPE ONE AT A TIME !
DO NOT BLINDLY FOLLOW THE ORDER OF THE
COMPONENTS ONTO THE TAPE. ALWAYS CHECK
THEIR VALUE ON THE PARTS LIST!
7
Construction
RV1 : 470
7. Trim potentiometer
RV1
SW1 : 1p
8. Push button
LD1 : 5mm red
6. LED. Watch the polarity!
17mm
8
Connect a 9V battery to the holder.
Stand at a location which is certain to have no mains cabling in the vicinity.
Turn the RV1 potentiometer completely to the left (counterclockwise).
Push on the button. Normally the LED should briefly light up.
Adjust RV1 so that the LED is just about dimmed.
The circuit is now adjusted and in its most sensitive position. If one wishes to decrease the circuit's sensitivity, one must turn
the potentiometer back to the left. The small PCB can be incorporated into the casing type B2646. However, one must then
provide an opening in the covering for the push-button and the LED (see fig.1.0).
Anchor the PCB using two self tapping screws. Finally, cover the push-button with the cap provided.
9. TESTING AND TUNING
Ø
fig. 1.0
Testing and tuning
9
Diagram
10. DIAGRAM
10
11. PCB
PCB
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