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Summary of Contents for Peak Atlas SCR100
- Page 1 Atlas SCR Thyristor and Triac Analyser Model SCR100 User Guide © Peak Electronic Design Limited 2004 In the interests of development, information in this guide is subject to change without notice - E&OE electronic design ltd...
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Page 2: Table Of Contents
Atlas SCR User Guide September 2004 – Rev 1 Want to use it now? We understand that you want to use your Atlas SCR right now. The unit is ready to go and you should have little need to refer to this user guide, but please make sure that you do at least take a look at the notices on page 4! Contents... -
Page 3: Introduction
Atlas SCR User Guide September 2004 – Rev 1 Introduction The Atlas SCR is a capable instrument designed specifically for the analysis of SCR (Thyristor) and Triac devices. Summary Features: • Automatic component identification. • Automatic pinout identification. • Displays actual trigger (gate) current classification. •... -
Page 4: Safety Considerations
Atlas SCR User Guide September 2004 – Rev 1 Safety Considerations WARNING: This instrument must NEVER be connected to powered equipment/components or equipment/components with any stored energy (e.g. charged capacitors). Failure to comply with this warning may result in personal injury, damage to the equipment under test, damage to the Atlas SCR and invalidation of the manufacturer's warranty. -
Page 5: Analysing Components
Atlas SCR User Guide September 2004 – Rev 1 Analysing Components The Peak Atlas SCR is designed to analyse discrete, unconnected, unpowered components. This ensures that external connections don’t influence the measured parameters. The three test probes can be connected to the component any way round. -
Page 6: Scrs
Atlas SCR User Guide September 2004 – Rev 1 Silicon Controlled rectifiers (SCRs) The Atlas will analyse almost any SCR, with the proviso that a gate trigger current of more than 90mA is not required. The three test clips can be connected to SCR detected the device under test any way round. -
Page 7: Triacs
Atlas SCR User Guide September 2004 – Rev 1 Triacs The Atlas will analyse almost any Triac, with the proviso that a gate trigger current of more than 90mA is not required. The three test clips can be connected to the device under test any way round. -
Page 8: Notes On Scrs (Thyristors) And Triacs
Atlas SCR User Guide September 2004 – Rev 1 Notes on SCRs and Triacs Silicon Controlled Rectifiers SCR Turn-On SCRs (Thyristors) act as a controlled diode. They block reverse current at all times, and they conduct in the forward direction only when triggered by a pulse of current to the control (gate) terminal. - Page 9 Atlas SCR User Guide September 2004 – Rev 1 Notes on SCRs and Triacs Triacs Triacs are a well established technology, designed specifically for the solid- state control of AC loads. They offer bi-directional load current switching (for both half cycles of the mains supply) and also bi-directional gate current capability to trigger the device.
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Page 10: Gate Sensitivity
Atlas SCR User Guide September 2004 – Rev 1 Gate Sensitivity The Peak Atlas SCR attempts to trigger the device under test at eight discrete gate currents, in ascending order. Trigger test level 1 100µA First test Trigger test level 2 500µA... -
Page 11: Care Of Your Atlas Scr
New batteries can be purchased from many retailers and directly from Peak Electronic Design Ltd or an authorised agent. Battery types: Suitable battery types include 23A, V23A, GP23A, MN21 or a good quality 12V alkaline equivalent as used in many test instruments and automotive remote key fobs. -
Page 12: Self Tests
Atlas SCR User Guide September 2004 – Rev 1 Self Test Procedure Each time the Atlas SCR is powered up, a self test procedure is performed. In addition to a battery voltage test, the Atlas measures the performance of many internal functions such as the voltage and current sources, amplifiers, analogue to digital converters and test lead multiplexers. -
Page 13: Appendix A - Accessories
Other probe types are available for your Atlas SCR to allow for the easy testing of a variety of component packages. Fitting is easy because these accessories are terminated in the standard Atlas SCR probe connectors. All accessories are available from Peak Electronic Design Limited or an authorised agent. Page 13... -
Page 14: Appendix B - Technical Specifications
September 2004 – Rev 1 Appendix B - Technical Specifications All values are at 25°C unless otherwise specified. Parameter Minimum Typical Maximum Note Peak test current into S/C 100mA 120mA Peak test voltage across O/C 12.0V 12.5V Gate trigger current range (I 0.1mA... -
Page 15: Warranty Information
Warranty Information Peak Satisfaction Guarantee If for any reason you are not completely satisfied with the Peak Atlas SCR within 14 days of purchase you may return the unit to your distributor. You will receive a refund covering the full purchase price if the unit is returned in perfect condition.
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