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Table of Contents Section 1 ..............................1 Introduction to Impulse Testing with the MegaPulse PF series tester ............1 Safety Precautions ........................1 Test Personnel ..........................1 Testing Area ..........................1 Safety Techniques ........................2 Safety Markings ...........................2 Using the MegaPulse Impulse Tester ...................3 Section 2 ..............................4 Getting Started ............................4 Unpacking and Inspection ......................4 Packaging ........................4...
Section 1 Introduction to Impulse Testing with the MegaPulse PF series tester The impulse test is designed to simulate impulse surges which occur in everyday life due to nearby lightning strikes, switching transients, and other high-frequency faults on the power distribution network. Impulse testing is the fundamental method for empirical verification of the adequacy of insulation.
Safety Techniques The high voltage circuit of the MegaPulse Defib-5PF-003 can be shut off at any time by turning OFF the rear power switch. Always press TRIGGER to discharge the tester before turning OFF. The MegaPulse tester is provided with a digital VOLTAGE ADJUST knob on the front panel. This should always be adjusted to the minimum position at the start of testing.
Using the MegaPulse Impulse Tester The impulse test involves high voltage and caution should be exercised when using the tester. The RETURN lead is referenced to building ground when properly connected. However, both the OUTPUT and RETURN leads must always be treated as Hazardous whenever the power switch of the MegaPulse is in the ON position.
Check the shipping order against the contents of the container and report any damage or short shipment to Compliance West USA. Please save the shipping carton and packing material for the carrier’s inspection. Our customer support department will assist you in the repair or replacement of your instrument.
AC Line Voltage Requirements AC line voltage requirements for your Tester are noted on the rear panel of the instrument. Do not connect the instrument to a different voltage source. The cord packaged with your MegaPulse Tester is for use in the United States.
Section 3 Specifications and Controls Specifications for the MegaPulse Defib-5PF-003 are listed in the table below and the component designations are shown in Figure 1. Table 1 Defib-5PF-003 Tester Specifications ELECTRICAL Output Voltage: 0 - 5100 V tolerance ±1% Main Capacitance: 32µF ±10%...
The front panel features of the MegaPulse are shown in Figure 2and described in Table 2. The rear panel features of the MegaPulse are shown in Error! Reference source not found. and described in Table 2. Figure 2 MegaPulse Defib-5PF-003 Front Panel...
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Table 2 MegaPulse Defib-5PF-003 Front Panel Features ITEM NAME FUNCTION Adjust the digital voltage set point in the tester. Press the voltage knob to display the voltage set point. This setting will blink for a few VOLTAGE Adjust seconds on the front meter.
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Figure 3 MegaPulse Defib-5PF-003 Rear Panel Table 3 MegaPulse Defib-5PF-003 Rear Panel Feature ITEM NAME FUNCTION INPUT Switch The switch allows the selection of 115V or 230V input The fuse B is to protect the unit when supplying 230V. Fuse B...
Section 4 Operating Instructions The Defib-5PF-003 tester consists of two parts; the pulse generation portion and the measurement portion. Please refer to the general electric circuit shown in Figure 1 to show the function of the Defib-5PF-003. The following procedure will explain how to generate a high voltage pulse with the MegaPulse unit. External Interlock The external interlock is a two position terminal block located on the rear panel.
Voltage Set Point Adjustment NOTE If the front display shows the word “Off” when trying the adjustment, it means the front Voltage knob had been disabled by the testminder software. See section “Front Keyboard and Voltage Knob Enable” To adjust the Voltage Set Point: Press the VOLTAGE Adjust knob one time to enable the adjustment mode, digits for thousands and hundreds will start blinking for a few seconds.
Testing The following procedure will verify that the MegaPulse Defib-5PF-003 tester is working correctly. We recommend that this procedure be conducted periodically to ensure proper operation of the tester. The following items are needed to conduct this procedure: A measuring instrument to monitor the output waveform.
PERSONNEL ONLY. TO AVOID ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN THE CONTAINED IN THE OPERATING INSTRUCTIONS. This section of the manual contains maintenance information for the MegaPulse Defib-5PF-003 impulse tester. A 1-year calibration cycle is recommended to maintain the specifications of the factory. The test equipment required for the performance test is a digital oscilloscope, high voltage oscilloscope probe, digital meter and a high voltage probe.
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Voltage Stop Disable / Keyboard Enable by Keyboard. If the MegaPulse Code 360 tester includes TestMinder option and has the Voltage Stop by the PC command activated, it is possible to disable it using the next keyboard sequence: Note: Disabling Voltage Stop enables the keyboard. Turn OFF the MegaPulse tester.
Section 6 Technical Assistance Technical Assistance from Compliance West USA is available: Phone: (800) 748-6224 Hours: 8:30 AM - 4:30 PM Pacific Time. Also available on our web site at: www.compwest.com Contact: Compliance West USA 650 Gateway Center Way Suite D San Diego, CA 92102 USA.
Appendix A A.1 Commands List All the commands are 4 bytes in size. The first two bytes identify the type of command and the third and fourth bytes are the data for the specific command. For example “1102” select the polarity for the surge test, where “11” is the type of command and “02”...
A.2 Return Numbers The information returned is divided in ten different groups of four bytes. To read each group it is necessary to know the position of each group and count the number of bytes. The positions are: • Group 1 (from 1 to 4 byte) •...
A.4 How to send commands All the commands showed in this document don't have any security redundancy, the user needs to make sure that every command that is sent is received by the MegaPulse unit. We have an in-house sotfware called Testminder and we will use it as an example of how to write your own scripts when you use our command set.
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