Time Electronics
1053 Decade Inductance Box
Technical Manual
V1.1 25/01/11 Time Electronics Ltd
Botany Industrial Estate, Tonbridge, Kent, TN9 1RH
Tel: +44(0)1732 355993 Fax: +44(0)1732 770312
Email: mail@TimeElectronics.co.uk
Web Site: www.TimeElectronic s .com
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Contents
C ontents ................................................................................................................... 2
1. S pecifications ................................................................................................... 3
2. Opera tion of the 1053 ...................................................................................... 4
3. Guarantee & S ervicing ..................................................................................... 5
Manuel Technique (Francais) ................................................................................. 6
1. Caractéristiques Techniques .......................................................................... 7
2. Fonctionnement ............................................................................................... 8
3. Garantie et Entretien ........................................................................................ 9
Technis ches Handbuch (Deutsch)....................................................................... 10
1. S pezifikation ................................................................................................... 11
2. E infuhrung ...................................................................................................... 12
3. Garantie und Service ..................................................................................... 13
Manual Técnico (Italiano) ..................................................................................... 14
1. S pecifiche ....................................................................................................... 15
2. Funzionamento ............................................................................................... 16
3. Garanzia e Assistenza Tecnica ..................................................................... 17
All Time Electronics' instruments are subject to continuous development and improvement and in
consequence may incorporate minor detail changes from the information contained herein.
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1. Specifications
Inductance Range: 1mH to 10H (4 decades)
Accuracy @ 1kHz: ± 3% of setting
End Resistance: <0.2Ω
End Inductance: <1uH
Max. Current per decade: 30mA (1mH), 70mA (10m H ),
100mA (100mH), 150mA (1H)
Average resistance per step: 0.1Ω (1mH), 0.5Ω (10mH),
280 (100mH), 250 (1 H)
Typical ‘Q’ Factor at 1kHz: 75 (1mH), 175 (10mH),
280 (100mH), 250 (1H)
Max. Voltage: 30V AC RMS (non switching)
(Subject to max current rating)
Dimensions: 24.5L x 6.2W x 10H (cm)
Weight: 0.8kg
Operating Temperature: -10ºC to +50ºC
Operating Humidity: < 90% (- 10ºC to + 50ºC)
Construction: The case is of robust metal construction
finished in two-tone blue and black.
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2. Operation of the 1053
The 1053 is a compact, robust and accurate decade inductance box suitable for filter
design, experimental, substitution and D.C. converter design.
Its custom wound, high permeability ferrite cores ensure insignificant influence from
external magnetic fields and maximum stability.
The required inductance is set by four dials, divided into decade values.
For example - to set 4 .582H
• 1H dial to 4
• 100mH dial to 5
• 10mH dial to 8
• 1mH dial to 2
Connection to the box is via 4 mm safety terminals. Two connections a red and a
black connect to the inductance and the grey terminal connects to the case for
screening purposes.
Note: Remember that all inductance boxes have a residual inductance, i.e.
even when the dials are set to zero there is still an inductance value across
the output. If you are making precision measurements or recalibrating the
instrument, this residual value must be measured and subtracted from all
measurements.
DO NOT CONNECT TO AN A.C. SUPPLY ABOVE 30V RMS.
Clean only with a damp cloth. Use water only. Do not use ammonia or spirit
based cleaners.
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3. Guarantee & S ervicing
Guarantee Period.
This unit is guaranteed against defects in materials and workmanship for a period of
one year from its delivery to the customer.
We maintain comprehensive after sales facilities and the unit can, if necessary be
returned to us for servicing. During this period, Time Electronics Ltd will, at its
discretion, repair or replace the defective items. For servicing under guarantee, the
instrument type and serial number must always be quoted, together with details of any
fault and the service required. The purchaser of the instrument must prepay all shipping
charges. Time Electronics Ltd will pay return shipping charges.
This guarantee is void if servicing has been attempted by an unauthorised person or
agent. If, during the guarantee period, failure is due to misuse or abuse of the unit, the
repair will be put in hand without delay and charged unless other instructions are
received.
Please note that if you require a new UKAS Certificate during the warranty period, this
will be charged at the current rate on our price list.
Service after Guarantee Period.
Even after the guarantee period has expired, Time Electronics Ltd., can still service
your instrument. As the manufacturer, we have the specialised knowledge needed to
keep your instrument in peak condition and we also maintain a comprehensive spare
parts service.
Please enclose details of the service required and your full company details including a
contact name when returning for servicing.
Returning Instruments.
When returning instruments please ensure that they have been adequately packed,
preferably in the original packing supplied. Time Electronics Ltd will not accept
responsibility for units returned damaged. Please ensure that all units have details
of the service required and all relevant paperwork.
Send the instrument, shipping charges paid to:-
Time Electronics Ltd
Botany Industrial Estat e, Tonbr i dg e, K ent, TN9 1RH
Tel: +44(0)1732 355993 Fax: +44(0)1732 770312
Email: mail@TimeElectronics.co.uk
Web Site: www.TimeElectronics.com
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Disposal of your old equipment
1. When this crossed-out wheeled bin symbol is attached to a product it means the
product is covered by the European Directive 2002/96/EC.
2. All electrical and electronic products should be disposed of separately from the
municipal waste stream via designated collection facilities appointed by the
government or the local authorities.
3. The correct disposal of your old appliance will help prevent potential negative
consequences for the environment and hum an health.
4. For more detailed information about disposal of your old appliance, please contact
your city office, waste disposal service or return to Time Electronics.
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