Operating Instructions METRATESTER 5+3P Workshop Test Panel for Testing Devices per DIN VDE 0701-0702 and DIN VDE 0104 3-349-414-03 5/6.
1 NETZ-VDE switch (mains-VDE) 2 Measuring selector switch: L1-L2-L3 3 Connector socket/terminal for DUT phase conductor (parallel to test sockets) 4 Connector socket/terminal for DUT protective conductor (parallel to test sockets) 5 Connector socket/terminal for conductive parts of the DUT for testing for the absence of voltage in accordance with DIN VDE 0701–0702, and for contact current measurement for protection class II devices 6 Measuring function selector switch for METRATESTER 5+ 7 Contact surface fo
Table of Contents Page 1 Applications .................................................................................................................... 4 2 Safety Precautions ......................................................................................................... 4 3 Standard Equipment and Accessories ............................................................................ 6 4 Connecting the Test Case to the Mains and Testing the Mains Connection ..........................
11.5 Fuse Replacement .......................................................................................................................... 25 11.6 Return and Environmentally Sound Disposal ..................................................................................... 25 12 Repair and Replacement Parts Service Calibration Center and Rental Instrument Service ........................................................26 13 Product Support .........................................................
Observe the following safety precautions: • • Measurements within electrical systems are prohibited! The test case may only be connected to 230/400 V mains system with 50 Hz and a 16 A fuse via the 5-pole (23) or 3-pole (22) mains cable. In order to avoid undesired shutdown in the event of a defective device under test, the mains outlets should be separately fused if at all possible! A defect in the DUT may trip the mains power RCD (residual current circuit breaker), and thus cause a service interruption.
Meaning of Symbols on the Instrument ! Warning concerning a source of danger (attention: observe documentation!) EC label of conformity This device may not be disposed of with the trash. Further information regarding the WEEE mark can be accessed on the Internet at www.gossenmetrawatt.com by entering the search term WEEE.
When connected via the 5-pole CEE mains plug (23), indicator lamps L1, L2 and L3 (19) must light up. When connected via the earthing contact mains adapter (22), only indicator lamp L1 should light up. Mains polarity is tested for this type of connection, i.e. if lamp L1 does not light up, the polarity of the earthing contact plug must be reversed in the mains outlet. If this is not the case, immediately disconnect the test case from the mains.
5 Connecting the DUT to the Test Case It is absolutely mandatory to execute the tests in the order in which they are specified here! 1 Visual inspection 2 Measurement of protective conductor resistance for protection class I devices 3 Measurement of insulation characteristics if technically feasible, i.e.
5.2 Protection Class II and III Devices Either Connect the DUT, for example to the earthing contact outlet, or to the connector sockets in the case of loose wire ends. To Accessible Metal Parts Mains Connection Sockets Switch the DUT on! 5.
5.4 Stationary Devices for Protective Conductor Testing via the Supply Mains To Mains Protective Conductor Either Mains Connection Sockets Switch the DUT on! 5.
5.6 Extension Cables with the VL2 E Accessory Either VL2 E Test Adapter 5.
6 Testing Devices in Accordance with DIN VDE 0701-0702 Always measure protective conductor resistance first for safety class I devices under test. Measurement of insulation resistance, equivalent leakage current and protective conductor current is not possible without a properly functioning protective conductor. This measurement is of special importance because a defective or reversed protective conductor may represent a hazard for the user! 6.
! Attention! The connector cable must be shaken back and forth, section by section over its entire length, during measurement (for permanently installed devices only insofar as the connector cable is accessible during repair, modification or testing).
Limit Values per DIN VDE 0701-0702, Part 1: 2008 Device Type Limit Values Min. Display Value Protection class I devices 1M 1.15 M Protection class I devices with heating elements 0.3 M 1) 0.38 M Protection class II devices 2.0 M 2.25 M Protection class III and battery powered devices 1000 /V and 250 k 1) If the limit value is fallen short of, an equivalent leakage current measurement must be performed and passed. Note: “OL” at the display means measured value > 20 M.
6.3 Measuring Protective Conductor Resistance 6.3.1 Equivalent Leakage Current In accordance with DIN VDE 0701-0702:2008, protective conductor resistance must be measured after the performance of the insulation resistance measurement. We recommend equivalent leakage current measurement. The limit value is: • 3.5 mA for protection class I devices whose exposed conductive parts are connected to the protective conductor.
6.3.2 Differential Current Measurement for Protection Class I Devices This test must be executed for all devices for which it is not possible to measure insulation resistance at all safety relevant parts (practically all DUTs with electrically actuated switches and relays), or where there is any doubt regarding measurement with insulation voltage, for example at electronic devices.
6.4 Measuring Contact Current 6.4.1 Contact Current Measurement – Differential Current This test must be executed for all protection class II devices, as well as protection class I devices with exposed conductive parts which are not connected to the protective conductor (practically all DUTs with electrically actuated switches and relays). If the DUT is equipped with a non-polarized mains plug, the test must be performed with the mains plug poled in both directions. Connection per section 5.1.
➭ Connect a measurement cable with test probe to the socket/terminal (5), and contact all exposed conductive parts at the DUT, or all conductive parts which are not connected to the protective conductor at protection class I devices. ➭ Set the measuring function selector switch (6) at the METRATESTER 5+ test instrument to the “IA 2 m” position and read the contact current value in mA from the display at the test instrument. The limit value is 0.5 mA.
7 Testing Extension Cables with the VL2 E Accessory Testing in accordance with the wiring diagram in section 5.6 7.1 DIN VDE Tests for Extension Cables Always set the NETZ-VDE switch (1) to “VDE” for these tests. Protective Conductor Resistance Measurement Perform test as described in section 6.1. The probe cable (21) is connected to the SI socket in the VL2 E test adapter. Insulation Resistance Measurement The rotary selector switch remains in position 1. Perform test as described in section 6.2.
The display can settle in within a range of 0 Ohm (if all cores are short-circuited) up to, for example, infinity (in the event of overload) if one core is interrupted. Due to good insulation assured by undamaged cables, a test value of 10 MOhm with a tolerance of 20% has been established for this rational test procedure. All values within a range of 8 to 12 MOhm thus indicate that the test has been passed. In the event of an error, the actual defect, i.e.
The following limit values are indicated: Measurement Fault Condition per Standard Protective conductor resistance Insulation resistance Continuously Lit Red Error Lamp Display of Limit Values Continuous Buzzing (beeper) RSL > 0.3 1) > 0.3 — RSL > 1 2) >1 Heater 3): RISO < 0.3 M < 0.5 M PCI: RISO < 1.0 M < 2.0 M — PCII: RISO < 2.0 M — < 2.0 M — — — > 7.0 mA 4) IA > 0.25 mA > 0.25 mA — IA > 0.5 mA > 0.5 mA IDiff 3.
10.2 METRATESTER 5+ Test Instrument Measuring Qty. Measuring Range Resolution Uno-load Protective conductor resistance 0 19.99 10 m < 20 V — Insulation resistance 0.05 19.99 M 10 K 600 V Approx. 100 k < 10 mA > 1 mA Equivalent leakage current, 0 19.99 mA 10 A 28 V 2 k < 20 mA — Contact current 0 1.999 mA (verification of absence of voltage by means of current measurement) Differential current 0,01 19.
Influencing Quantities and Influence Error Influencing Quantity / Sphere of Influence Designation Influence Error per DIN VDE % of the measured values 0404 Change of position E1 — Change to test equipment supply voltage E2 2.
Electrical Safety Protection class Nominal line voltage Test Voltage Measuring category Pollution degree Safety shutdown II 230 V Mains + PE (mains) + 2 mA socket for testing for absence of voltage at test socket, connector sockets for phase and protective conductors, as well as clip: 3 kV mains to PE (mains) + 2 mA socket 1.
11 Maintenance – Calibration 11.1 Housing Maintenance No special maintenance is required. Keep outside surfaces clean and dry. Use a slightly dampened cloth for cleaning. Avoid the use of solvents, cleansers and abrasives. Note! If the test case has not been used for a long period of time, the switches may demonstrate increased contact resistance depending upon storage conditions. If this is the case, actuate the switches several times. 11.
12 Repair and Replacement Parts Service Calibration Center * and Rental Instrument Service If required please contact: GMC-I Service GmbH Service Center Thomas-Mann-Str. 20 90471 Nürnberg, Germany Phone +49 911 817718-0 Fax +49 911 817718-253 E-mail service@gossenmetrawatt.com This address is only valid in Germany. Please contact our representatives or subsidiaries for service in other countries.
13 Product Support If required please contact: GMC-I Messtechnik GmbH Product Support Hotline Phone +49 911 8602-112 Fax +49 911 8602-709 E-mail support@gossenmetrawatt.
Edited in Germany • Subject to change without notice • PDF version available on the Internet GMC-I Messtechnik GmbH Südwestpark 15 90449 Nürnberg • Germany Phone: +49 911 8602-111 Fax: +49 911 8602-777 e-mail: info@gossenmetrawatt.com www.gossenmetrawatt.