Velleman HHPS5 Service manual
Velleman
Legen Heirweg 33
9890 Gavere
Belgium
Internet Site: http://www.velleman.be
E-mail: support@velleman.be
PersonalScope
TM
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HHPS5 - 1999 - ED1
PersonalScope
TM
CONTENTS
CONTENTS
FCC information for the USA ............................... 4
Important............................................................... 5
GENERAL............................................................. 6
Features................................................................. 5
Options.................................................................. 5
Technical specifications......................................... 6
SAFETY and WARNINGS.................................... 7
Symbols displayed on the unit................................ 7
USE......................................................................... 8
Survey of the connections and controls .................. 8
Power supply ......................................................... 9
Survey of the indications on the screen .................10
OPERATION........................................................11
Turning on/off the Personal Scope........................11
Resetting the Personal Scope.................................11
Adjusting the contrast...........................................11
Choice of input.....................................................11
Switching from one readout to another..................12
Measuring probe adjustment.................................13
Auto-setup function ..............................................13
Signal screen ........................................................14
Screen memory.....................................................15
Set-up function keys..............................................15
The markers .........................................................15
Setting up the voltage per division.......................16
Setting up the time base........................................15
Moving the signal in Y-position............................16
Trigger functions..................................................17
Setting up a X10 measuring probe ........................18
MAINTENANCE..................................................18
TROUBLESHOOTING .......................................19
The screen remains blank or there is no signal......19
RMS readout is incorrect ......................................19
No signal on the oscilloscope display....................19
Incorrect frequency readout...................................19
Voltage readout is not correct ...............................19
WARRANTY........................................................19
DIAGRAM............................................................20
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PersonalScope
TM
FCC information for the USA
This equipment has been tested and found to comply with
the limits for a Class B digital device, pursuant to Part 15
of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio communications. However, there
is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or
more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and re-
ceiver.
• Connect the equipment into an outlet on a circuit dif-
ferent from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV techni-
cian for help.
Important
This equipment was tested for FCC compliance under conditions that include the use of shielded test leads between
it and the peripherals. It is important that you use shielded
cables and connectors to reduce the possibility of causing
Radio and Television interference. Shielded probes, suit-
able for the HPS5 oscilloscope can be obtained from
the authorized Velleman dealer.
If the user modifies the HPS5 oscilloscope or its connections in any way, and these modifications are not approved
by Velleman, the FCC may withdraw the user’s right to
operate the equipment.
The following booklet prepared by the Federal Communications Commission may be of help: “How to identify and
Resolve Radio-TV Interference problems”. This booklet is
available from the US Government Printing Office, Washington, DC20402 Stock No. 044-000-00345-4.
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PersonalScope
TM
GENERAL
GENERAL
The Velleman PersonalScope is not a graphical multimeter
but a complete portable oscilloscope at the size and the cost
of a good multimeter. Its high sensitivity - down to 5mV/
div - and extended scope functions make this unit ideal for
hobby, service, automotive and development purposes.
Because of its extreme value for money, the PersonalScope
is well-suited for educational use in schools and colleges.
Suitable for measurements on audio equipment, mains
voltage applications, digital signals, all kind of sensors,
signal analysis in automotive applications, car stereo etc…
It’s ultra fast full auto setup function takes care of all the
necessary settings and makes measuring waveforms very
easy, a feature that will be appreciated both by experts and
novices.
Features
• High contrast LCD with wide viewing angle
• Full auto set up for volt/div and time/div
• Trigger mode: run - normal - once - slope -/+
• True RMS and dB measurements
• Readout: Vdc-Vpp-Vrms-dBm
• x1 and x10 probe calculation option
• Display mode: none - markers - grid - crosshair
• Marker readout: dt - 1/dt (frequency) - dV
• AC/DC input coupling selection
• Automatic zero reference for DC measurements
• Sceen hold fuction
• Auto power off or continuous on
• Low battery detection
• Includes battery charge circuit
Options
• Insulated measurement probe x1 / x10: PROBE60S
• Soft carry case: CHPS5
• Adapter: type PS905 for 230V / PS905USA for 110V
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GENERAL
PersonalScope
Technical specifications
Maximum sample rate 5MHz for repetitive signals (0.5MHz for single shot events)
Input amplifier bandwidth 1MHz ( -3dB at 1V/div setting)
Input impedance 1Mohm // 20pF (standard oscilloscope probe)
Maximum input voltage 100Vpeak (AC + DC)
Input coupling DC, AC and GND (GND for auto zero reference)
Vertical resolution 8 bit (6 bit on LCD)
Linearity
± 1bit
LCD Graphics 64 x 128 pixels, 64 x 96 pixels for signal
dBm measurement (0 dB= 0.775V)
From -73dB tot +40dB (up to 60dB with X10 probe) ±0.5dB accuracy
True-rms AC measurement From 0.1mV to 80V (up to 400Vrms with X10 probe) 2.5% accuracy
Peak peak and DC range 0.1mV to 180V (1mV to 600V met x10 probe) 2% accuracy
Timebase range 20s, 10s, 5s, 2s, 1s, 0.5s, 0.2s, 0.1s, 50ms, 20ms, 10ms, 5ms, 2ms, 1ms, 0.5ms,
0.2ms, 0.1ms, 50us, 20us, 10us, 4us, 2us / div.
Input sensitivity range (at x1) 5mV, 10mV, 20mV, 50mV, 0.1V, 0.2V, 0.4V, 1V, 2V, 4V, 8V, 20V /div.
Probe calibration output Approx. 1KHz / 5Vtt
Supply voltage 9VDC/ min 300mA adapter (unregulated) 12VDC if regulated
Batteries (option) Alkaline type AA or Ni Cd / NiMH rechargeable ( 5 pcs required)
Charge current for rechargeable batteries 90mA
Battery life Up to 20h with Alkaline batteries
Operating temperature
0 to 50°C (32 to 122°F)
Dimensions 105x220x35mm (4.13x7.95x1.38”)
Weight 395g (14oz.) ex. Batteries
TM
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PersonalScope
TM
SAFETY and WARNINGS
SAFETY and WARNINGS
Symbols displayed on the unit
!
Important safety information, see user manual.
Ground level
⇒ The PersonalScope is ideally suited for measurements of category II installations with pollution degree 1 and using a
maximum of 600V, in accordance with the IEC1010-1 norm. The enclosure is UL 94V0 listed
⇒ Consequently, all measurements should be avoided in case of polluted or very humid air. One should also refrain from
measuring conductors or installations that use voltages that exceed 600Vrms above ground level. CAT II indicates
conformity for measurements of domestic installations.
⇒ The maximum input voltage for the connections of the unit stands at 100Vp (AC+DC)
⇒ Do NOT open the enclosure while performing measurements.
⇒ Remove all test leads before opening the enclosure in order to avoid electrical shock.
⇒ Use a measuring probe with an insulated connector ( e.g. type PROBE60S) when measuring voltages exceeding 30V.
!
Remove all non-rechargeable batteries when connecting an AC/DC adapter !
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