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Training for SECU LIFE ST, 2011

Test Technology for the Most Exacting Demands. Training for SECU LIFE ST, 2011. SECULIFE ST Key Features. Function Menu Drives Test Sequences – with fully automatic or manual mode Automatic Recognition of Connection Errors and Protection Categories CAT I – II

jeremy-potts
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Training for SECU LIFE ST, 2011

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  1. Test Technology for the Most Exacting Demands Training for SECULIFE ST, 2011

  2. SECULIFE ST Key Features • Function Menu Drives Test Sequences – with fully automatic or manual mode • Automatic Recognition of Connection Errors and Protection Categories CAT I – II • Automatic Polarity Reversal of Mains Connection • Backlit LCD shows schematic diagrams for DUT connections • Instrument has multiple Connection Capabilities to accomodate all possible DUTs • Protective Conductor Testing with 200mA, 10A or 25A • Insulation Resistance: 0.05 to 310 MOhm • Leakage Current Measurements: 0.000 …. 120 mA • High Voltage Testing up to 6 kV • Function Test with Power Analysis: Volt, Amp, Watt, VA, PF, Wh • Data Memory for up to 125 tests • Compact – Rugged - Portable

  3. Applicable Standards tested with SECULIFE ST • International Standards Title of Std. Who is responsible • IEC 61010 Safety of Test and Manufacturer Measurement Equipment IEC 60601 Safety of Medical Electrical Manufacturer Equipment Enduser IEC 62353 Recurring Tests and Tests Manufacturer after Repair of Medical Enduser Electrical Equipment Owner IEC 60335 Safety of Household Appliances Manufacturer IEC 60950 Safety of IT Equipment Manufacturer

  4. SECULIFE ST Electrical Safety Tester Lid Push-buttons (left and right) for releasing the lid Optional SECUTEST SI alphanumeric keypad & memory Test socket for connecting the device under test Compartment for probe and accessories Optional Module for high voltage test Push-buttons (left and right) for releasing the handle from its snap-in position Option Applied parts for measuring Medical devices Carrying handle and tilt stand

  5. SECULIFE ST Electrical Safety Tester Scroll buttons for menu and parameter selection Signal lamp for mains connection error Jacks for connecting the probe Jacks for line neutral / protective conductor Button for starting test sequence Help button Function selector switch LCD-Graphical display with backlight Button switching test voltage to the test socket Jacks for Applied-Parts Signal lamp for the function test

  6. Definition of terms • applied parts Type Body contact to body not isolated (from ground) B • applied parts Type Body Float contact to body isolated (from ground) BF • applied parts Type Cardiac Float contact to body isolated (from ground) CF

  7. Definition of terms AAMI or AHA and IEC Lead Labeling and Electrode Placement IEC Lead APPLIED PARTS Electrode Placement AAMI or AHA Lead I On the right leg (inside calf, midway between knee and ankle) H On the left leg (inside calf, midway between knee and ankle) K On the right arm (on the inside) G On the left arm (on the inside) A Right side of the sternum in the 4th intercostal space B Left side of the sternum in the 4th intercostal space C Midway between V2 and V4 D Left midclavicular line in the 5th intercostal space E Anterior axillary line at the same level as V4, midway between V4 and V6 F Left midaxillary line at the same level as V4

  8. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • Setup = Setting of General Test Sequence Variables • Aux = Clamp Current, Clamp Resistance, Temperatur Measurements • V Ω = Voltage with Probe & AC/DC Voltage, Resistance Measurements • I-leakage = Leakage Current Measurements • Iso/HV = Insulation Resistance and High Voltage Testing • PE = Protective Earth or Ground Bond Testing • Auto = This is the actual Testing Mode • Function Test = Test Mode for U & I -- Active P (Watt) – PF – E (kWh)

  9. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • Setup = Setting of General Test Sequence Variables Store : Save after all setting Limit values : Set for limit value normally use default (Background illumination for the LCD, test time) Test Sequence : For setting auto mode Test report : Saved to memory Service : time and date setting, information of tester

  10. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • Aux = Clamp Current, Clamp Resistance, Temperatur Measurements 1. Alternating Current IC with Clip-On Converter Connection Diagram : Test result : Alternating current can be measured in two measuring ranges (1 mA …10 A ~, 1 A … 100 A~) with a clip-on current-voltage converter connected to the 2 and 3 jacks (e.g. the WZ12C).

  11. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • Aux = Clamp Current, Clamp Resistance, Temperatur Measurements 2. Protective Conductor Resistance RPE via Clip-On Meter Connection Connection Diagram : Test result : Protective conductor resistance can be determined with the WZ12C clip-on current transformer. 25 A AC test current (Feature G01 or SECULIFE ST HV only): Use the Z864A shunt in addition to measuring range matching.

  12. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • Aux = Clamp Current, Clamp Resistance, Temperatur Measurements 3. Temperature T with Pt100/1000 Sensor Connection Connection Diagram : Test result : Temperature can be measured within a range of –200 C to +850 C with a Pt100 or Pt1000 sensor (default setting) connected to the PE (1) and N (2) jacks.

  13. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • V Ω = Voltage with Probe & AC/DC Voltage, Resistance Measurements 1. Probe Voltage Uprobe – Max. 300 V Test result : Voltage is measured between the mains PE terminal at the test instrument and the probe. In this case the probe can also be used as a phase finder. For IEC 61010: A selection can be made with the up scroll key as to whether testing will be conducted under normal conditions, or with interrupted protective conductor. For conducting the measurement the DUT must be put into service via key (14).

  14. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • V Ω = Voltage with Probe & AC/DC Voltage, Resistance Measurements 2. Alternating / Direct Voltage UAC/DC – Max. 253 V Test result : Direct, alternating and pulsating voltages of up to 253 V can be measured between the 2 and 3 connector jacks. Furthermore, it is possible to switch between minimum, maximum and momentary measured value via key . This is particularly useful in combinationwith the SECULOAD test adapter for welding equipment (article number Z745V).

  15. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • V Ω = Voltage with Probe & AC/DC Voltage, Resistance Measurements 3. Resistance R Test result : Resistance of up to 150 kohm can be measured between the 1 and 2 connector jacks.

  16. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • I-leakage = Leakage Current Measurements 1. Earth Leakage Current IPE (Feature KA01) Current which flows from the power pack over the insulation to the protective conductor, and thus to earth.

  17. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • I-leakage = Leakage Current Measurements 2. Housing Leakage Current IHL Current which flows from housing parts which are not connected to the protective conductor via an external conductive connection to earth or another part of the housing. Flow of current via the protective conductor

  18. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • I-leakage = Leakage Current Measurements 2. Housing Leakage Current IHL Current which flows from housing parts which are not connected to the protective conductor via an external conductive connection to earth or another part of the housing. Flow of current via the protective conductor

  19. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • I-leakage = Leakage Current Measurements 3. Patient Leakage Current IPL Current which flows from an application part via the patient to earth. This current may be caused by an unintentional interference voltage at the patient, and may flow via the patient and an insulated, floating type F application part to earth. Useful patient current is excluded in both cases.

  20. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • I-leakage = Leakage Current Measurements 4. Patient Auxiliary Current IPA (Feature KA01) Current which flows within the patient between the electrodes of the application part. Use for intended purpose is assumed. Furthermore, the current should not cause any physiological effects. For example, this is the case for input current from amplifiers, or current used for impedance plethysmography.

  21. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • I-leakage = Leakage Current Measurements 5. Residual Current IRC Sum of instantaneous current values which flow via the L and N conductors at the device mains connection (also known as differential current). Residual current is practically identical to fault current in the event of an error. Fault current: Current which is caused by an insulation defect, and which flows via the defective point.

  22. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • I-leakage = Leakage Current Measurements 6. Device Leakage Current ILC per IEC 62353 (VDE 0751-1) Device leakage current is the sum of all leakage currents from the housing, all accessible conductive parts and all application parts to PE. Measurement must be performed for both mains polarities and the largest value is documented.

  23. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • Iso/HV = Insulation Resistance and High Voltage Testing 1. Insulation Resistance RINS. Definition Safety Class I Insulation resistance is measured between short-circuited mains terminals and the protective conductor. Safety Classes II and III Insulation resistance is measured between short-circuited mains terminals and external conductive parts which can be contacted with the probe.

  24. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • Iso/HV = Insulation Resistance and High Voltage Testing 1. Insulation Resistance RINS.

  25. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • Iso/HV = Insulation Resistance and High Voltage Testing 2. Measurement of Equivalent Leakage Current IEL per DIN VDE 0701-0702

  26. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • Iso/HV = Insulation Resistance and High Voltage Testing 3. Measurement of Equivalent Device Leakage Current IEDL (per IEC 62353 (VDE 0751-1)) The patient ports are linked with each other and are connected to the same point on the housing.

  27. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • Iso/HV = Insulation Resistance and High Voltage Testing 4. Equivalent Patient Leakage Current IEPL (IEC 62353 (VDE 0751-1)) Test Setup A high-impedance power supply is connected between each patient port and all exposed metal parts of the housing (which are connected to one another). The mains terminals are short-circuited, and connected to the same point on the housing.

  28. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • PE = Protective Earth or Ground Bond Testing Definition Protective conductor resistance is the sum of the following resistances: • Connector cable or device connector cable resistance • Contact resistance at plug and terminal connections • Extension cable resistance if utilized

  29. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • Auto = This is the actual Testing Mode Measurements in Accordance with National and International Standards with Selector Switch in Auto Position If measurements need to be performed in accordance with given standards which require specific tests, and if results need to be stored and documented with a test report, an automatic test sequence is advisable instead of individual measurements.

  30. SECULIFE ST Electrical Safety Tester Auto Test IEC 62353 Start testing

  31. SECULIFE ST Electrical Safety Tester • FUNCTION SELECTION • Function Test = Test Mode for U & I -- Active P (Watt) – PF – E (kWh) Measurements The function test includes the following measurements: – Voltage ULN between the L and N conductors – Residual current ΔI (corresponds to fault current between L and N) – Load current Ia – Active power P – Apparent power AP (calculated) – Power factor PF (cosφ calculated, display > 10 W) – Electrical energy W – On-time t for ULN at socket (21)

  32. SECULIFE ST additional screen shots

  33. Print direct Each measured value is documented via RS232 Interface

  34. Software and documentation Data management and Report generationwith MS Office PC.doc word/excel

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