User manual

OPERATING INSTRUCTIONS
VERSION 05/12
DDS-FUNCTION GENERATOR
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SFG-2004
SFG-2007
SFG-2010
SFG-2020
SFG-2104
SFG-2120
AFG-2112
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AFG-3051
AFG-3081
AFG-2005
AFG-2012
AFG-2025
AFG-2105
AFG-2125
INTENDED USE
Depending on the model, the DDS function generator generates signals from 100 mHz up
to 20 MHz with different waveforms as well as adjustable amplitudes. The display shows the
functions. Due to the digital synthesiser the output signals are highly precise and frequency-
stable. A frequency counter for measuring external signals is integrated in models of the 2100
series.
The measuring is conducted via BNC-connectors.
The maximum measuring voltage indicated on the device must never be exceeded. Use divider
probes if necessary.
The device should only be connected to and operated on an earthed socket (Schuko socket)
of the public AC power supply.
Any use other than that described above could lead to damage to this product and involves the
riskofshortcircuits,re,electricshock,etc.
Theproductmustnotbemodiedorconverted,andthecasingmustnotbeopened.
Measurement in a dump location or outdoors or under ambient environment conditions is not
permitted. Unfavourable ambient conditions are:
Wet conditions or high air humidity -
Dustandammablegases,vapoursorsolvent, -
Thunderstormsorsimilarconditionssuchasstrongelectrostaticeldsetc. -
Always observe the safety notes included in these operating instructions.
This quick guide explains safety measures to make working with the device as safe as possible.
The individual functions of the device are described in more detail in the enclosed operating
manual.
SAFETY INSTRUCTIONS
Read the operating instructions carefully and especially observe the safety
information. If you do not follow the safety instructions and information
on proper handling in this manual, we assume no liability for any resulting
personal injury or damage to property. Such cases will invalidate the warranty/
guarantee.
Persons / Producta)
Theunauthorised conversion and/or modicationof the productis inadmissible•
because of safety and approval reasons (CE).
The construction of the product corresponds to protection class 1. Only a correct •
earthed mains socket (115 / 230 V/AC) of the public power supply should be used.
Measuring devices and devices connected to the power supply should be kept out •
of reach of children. Be thus especially careful when children are around.
First, connect the BNC-output of the measuring line to the generator, then connect •
the probe to the electric circuit to be measured. When the measuring is completed,
please disconnect the measuring contacts rst before disconnecting the BNC
output of the probe from the generator.
Take particular care when dealing with voltages exceeding 25 V/AC or 35 V/DC! •
Even at such voltages you can receive a life-threatening electric shock when you
come into contact with electric wires.
Prior to each measurement, check your instrument and its measuring leads for •
damage. Never carry out any measurements if the protecting insulation is defective
(torn, ripped off etc.)
To avoid an electric shock, make sure not to touch the connections/measuring •
points to be measured neither directly nor indirectly during measurement.
Never touch the probes outside of the marked handling area during a measurement. •
There is the risk of a fatal electric shock.
Do not use the device shortly before or after a thunderstorm (lightning! / high-•
energyovervoltages!).Makesurethatyourhands,shoes,clothing,theoor,the
measuring device and/or measuring lines, the circuits and also parts of it are
always dry.
Donotusetheproductwithinroomsorinbadambientconditionswhereammable•
gases, vapours or explosive dust may be present or are present.
Avoid operation near:•
strongmagneticorelectromagneticelds -
transmitter aerials or HF generators, -
Since this could affect the measurement. -
Onlyusemeasuringlinesorequipmentharmonisedwiththespecicationsofthis•
oscilloscopes for measuring. Only dual or specially insulated measuring equipment
may be used (e.g. fully insulated BNC adapters, etc.)
If you have reason to assume that safe operation is no longer possible, disconnect •
the device immediately and secure it against inadvertent operation. It can be
assumed that safe operation is no longer possible if:
the device is visibly damaged, -
the device no longer works -
the unit was stored under unfavourable conditions for a long period of time or -
if it has been subjected to considerable stress in transit. -
Never switch the device on immediately after having taken it from a cold to a warm •
environment. Condensation that forms might destroy your device. Allow the device
to reach room temperature before switching it on.
Never disassemble the product! There is a risk of a fatal electric shock.•
Do not carelessly leave the packaging material lying around since this may become •
a dangerous toy for children.
The product is only suited for dry indoor rooms (not bathrooms or similar damp •
interiors). The device must not get wet or damp. There is a risk of a fatal electric
shock.
On industrial sites the accident prevention regulations of the association of the •
industrial workers’ society for electrical equipment and utilities must be followed.
Handle the product with care. It can be damaged through impact, blows, or •
accidental drop, even from a low height.
Please also observe the attached detailed operating instructions.•
Miscellaneousb)
Consult an expert when in doubt about operation, safety or connection of the •
device.
Maintenance, modications and repairs areto be performed exclusively by an•
expertorataqualiedshop.
If you are not sure about the correct connection or use, or if questions arise which are not
covered by these operating instructions, please do not hesitate to contact our technical support
oranotherqualiedspecialist.
Voltcraft®, Lindenweg 15, D-92242 Hirschau, Tel. [phone].
This device left the factory in perfect condition in terms of safety engineering. We kindly request
the user to observe the safety instructions and warnings contained in the enclosed operating
instructions, so this condition is maintained and safe operation is ensured. The following
symbols must be observed:
An exclamation mark in a triangle indicates important information in these operating
instructions that has to be observed.
The lightening symbol in a triangle warns against an electric shock or the impairment
of the electrical safety of the appliance.
Thesymbolisusedtoindicatewherespecichintsandinformationonhandlingshould
be given.
This product has been CE certied and meets the necessary European
guidelines.
Only for dry indoor use.
Earth conductor, protection class 1. This screw/connector must not be loosened.
Earth potential
Reference earth chassis