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Rishabh Rish Insu 5Dx User Manual

5kv digital insulation tester
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Rish Insu 5Dx
5KV Digital Insulation Tester
User Manual
Release 1.01 - 04/02/16

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Summary of Contents for Rishabh Rish Insu 5Dx

  • Page 1 Rish Insu 5Dx 5KV Digital Insulation Tester User Manual Release 1.01 - 04/02/16...

  • Page 2: Table Of Contents

    Rish Insu 5Dx Table of contents 1 PRECAUTIONS AND SAFETY MEASURES....................2 1.1 Preliminary instructions ..........................2 1.2 During use ..............................3 1.3 After use ............................... 3 1.4 Definition of measurement (overvoltage) category ..................3 2 GENERAL DESCRIPTION ..........................4 2.1 Instrument features ............................4 3 PREPARATION FOR USE..........................4...

  • Page 3: Precautions And Safety Measures

    Rish Insu 5Dx 1 PRECAUTIONS AND SAFETY MEASURES The instrument has been designed in compliance with standards IEC/EN61557 and IEC/EN61010-1 regarding electronic measuring instruments. CAUTION For the operator’s safety and to prevent damaging the instrument, follow the procedures described in this manual and carefully read all notes preceded by the...

  • Page 4: During Use

    Rish Insu 5Dx DURING USE Carefully read the following recommendations and instructions: CAUTION Failure to observe the cautions and/or instructions may damage the instrument and/or its components or generate a danger for the operator. If, during use, the low battery symbol appears on the display, insert the supply cable into the Mains socket to start battery recharge.

  • Page 5: General Description

    Rish Insu 5Dx 2 GENERAL DESCRIPTION The instrument You purchased, if used in compliance with the indications given in this manual, guarantees accurate and reliable measurements and the utmost safety thanks to a development of new conception which ensures double insulation and, consequently, compliance with the requirements of overvoltage category IV.

  • Page 6: Operating Instructions

    Rish Insu 5Dx 4 OPERATING INSTRUCTIONS INSTRUMENT DESCRIPTION CAPTION: 1. Input bushings 2. Mains socket 3. RS232 connector 4. ON/OFF/ key 5. Multifunction arrow keys 6. FUNC/ERASE MEM key 7. MODE/CLEAR SMOOTH key 8. SET/DISPLAY MEM key 9. ESC/RECALL MEM key 10.

  • Page 7: Description Of Display

    Rish Insu 5Dx ESC/RECALL MEM key  used for:  Access to the data saved in the memory (if present)  From a parameter setting screen or memory data display screen, pressing the key once allows returning to the previous screen SAVE key ...

  • Page 8: Description Of Measuring Leads

    Rish Insu 5Dx DESCRIPTION OF MEASURING LEADS CAPTION: 1. Hand protection 2. Safety areas Fig. 2: Measuring leads GUARD LEAD In some cases, measurements could be affected by surface currents. By applying voltage to an insulation to be measured, there may be two distinct currents: one flowing in the test piece, the other flowing on its surface.

  • Page 9: Switch On The Instrument

    Rish Insu 5Dx SWITCH ON THE INSTRUMENT After switch on, the instrument gives a short acoustic signal and, for approximately one second, all segments of the display appear. Then, the instrument shows the firmware version, then it sets to the last measuring mode selected before turning off.

  • Page 10: Insulation Measurement In Fix Mode

    Rish Insu 5Dx INSULATION MEASUREMENT IN FIX MODE This measurement mode, performed in compliance with IEC/ EN61557-2 guideline, allows a quick selection of the test voltage among the values: 250, 500, 1000, 2500, and 5000VDC. CAUTION  The instrument may be used on installations of overvoltage category CAT IV 600V to earth with maximum voltage 600V between inputs.
  • Page 11 Rish Insu 5Dx pressing arrow keys, instrument shows a screen similar to that reported here to the side, which contains the value of the input voltage. Press the MODE/CLEAR SMOOTH key to set one of the following test voltages: 250V, 500V,...
  • Page 12 Rish Insu 5Dx While measuring, it is also possible to display the leakage current, the DAR (Dielectric Absorption Ratio if test duration > 1 minute), the PI (Polarization Index if test duration > 10 minutes) which cyclically show when pressing the arrow keys (see § 11.1) 10.

  • Page 13: Configuration Of The Test Parameters For Fix Mode

    Rish Insu 5Dx 4.8.1 Configuration of the test parameters for FIX mode By cyclically pressing the SET/DISPLAY MEM key, it is possible to select the following parameters:  Minimum value of the insulation (MIN) in a range between 0,01M - MAX ...

  • Page 14: Insulation Measurement In Adjust Mode

    Rish Insu 5Dx INSULATION MEASUREMENT IN ADJUST MODE This function is performed in compliance with IEC/ EN61557-2 guideline. The ADJUST mode allows the fine adjustment of the test voltage between 100 - 5000VDC. CAUTION  The instrument may be used on installations of overvoltage category CAT IV 600V to earth with maximum voltage 600V between inputs.
  • Page 15 Rish Insu 5Dx pressing arrow keys, instrument shows a screen similar to that reported here to the side, which contains the value of the input voltage. Make sure that the set test voltage is the desired one. Should it not be the case, please refer to §...
  • Page 16 Rish Insu 5Dx While measuring, it is also possible to display the leakage current, the DAR (Dielectric Absorption Ratio if test duration > 1 minute), the PI (Polarization Index if test duration > 10 minutes) which cyclically show when pressing the arrow keys (see §11.1)

  • Page 17: Configuration Of The Test Parameters For Adjust Mode

    Rish Insu 5Dx 4.9.1 Configuration of the test parameters for ADJUST mode By cyclically pressing the SET/DISPLAY MEM key, it is possible to select the following parameters:  Minimum value of the insulation (MIN) in a range between 0.01M - MAX ...

  • Page 18: Insulation Measurement In Ramp Mode

    Rish Insu 5Dx 4.10 INSULATION MEASUREMENT IN RAMP MODE This function is performed in compliance with standard IEC/ EN61557-2. The RAMP mode allows choosing among three different types of ramps: RAMP#1 RAMP#2 RAMP#3 For each type of ramp, it is possible to set the duration, the test voltage and the number of times the ramp is repeated (§...
  • Page 19 Rish Insu 5Dx The display shows a screen similar to that reported here to the side, which contains:  The RAMP type selected  The bar graph set to zero  The indication "--- T"  The set test voltage ...
  • Page 20 Rish Insu 5Dx During measurement, the instrument gives a short acoustic signal every second and the display shows a screen similar to that reported here to the side, which contains:  The RAMP function selected  The bar graph proportional to the measured resistance value ...
  • Page 21 Rish Insu 5Dx 10b. Once measurement is complete and any capacitance has been discharged, the instrument shows:  The value of the measured insulation resistance  The value of the actually generated voltage V1  The value of the time relevant to parameter T1 ...

  • Page 22: Configuration Of The Test Parameters For Ramp#1 Mode

    Rish Insu 5Dx 4.10.1 Configuration of the test parameters for RAMP#1 mode By cyclically pressing the SET/DISPLAY MEM key, it is possible to select the following parameters:  Minimum value of the insulation (MIN) in a range between 0.01M - MAX ...

  • Page 23: Configuration Of The Test Parameters For Ramp#3 Mode

    Rish Insu 5Dx 4.10.3 Configuration of the test parameters for RAMP#3 mode By cyclically pressing the SET/DISPLAY MEM key, it is possible to select the following parameters:  Minimum value of the insulation (MIN) in a range between 0.01M - MAX ...
  • Page 24 Rish Insu 5Dx If, upon pressing the START/STOP key (with nominal test voltage set to  1000V  load resistance 5M), capacitance at input leads -Rx, +Rx is > allowable limit capacitance, the instrument gives a long acoustic signal and displays the screen reported here to the side for 3 seconds.
  • Page 25 Rish Insu 5Dx If there are no data saved in the instrument’s memory, upon pressing the ESC/RECALL MEM key, the instrument gives a long acoustic signal and displays the screen reported here to the side for 3 seconds. Afterwards, instrument returns to the initial screen.

  • Page 26: Management Of Memory Data

    Rish Insu 5Dx 5 MANAGEMENT OF MEMORY DATA SAVE MEASUREMENTS After performing a measurement, press the SAVE key. The display shows a screen similar to that reported here to the side, which contains:  The number of the memory location in which the measure will be saved ...

  • Page 27: Recall Measurements

    Rish Insu 5Dx RECALL MEASUREMENTS Press the ESC/RECALL MEM key. The display shows a screen similar to that reported here to the side, which contains:  The number of the last memory location used  The value of parameter P Press the arrow keys to select the memory location whose content is to be displayed.

  • Page 28: Maintenance

    Rish Insu 5Dx 8 MAINTENANCE GENERAL INFORMATION 1. The instrument You purchased is a precision instrument. During use and storage, carefully observe the recommendations listed in this manual in order to prevent possible damage or dangers during use 2. Do not use the instrument in environments with high humidity levels or at high temperatures.

  • Page 29: Technical Specifications

    Rish Insu 5Dx 9 TECHNICAL SPECIFICATIONS Accuracy is indicated as [% rdg + (dgt number * resolution)] at 23 ± 5°C,< 80%HR Vdc Voltage Range Resolution Accuracy Protection against overloads (2.0rdg+2 dgt) 10 - 600V CAT IV 600V to earth...

  • Page 30: Reference Guidelines

    Rish Insu 5Dx Capacitance measurement Range Resolution Load resistance Test voltage (Vn) Accuracy 1nF - 999nF Vn  5000V 1.00F - 5.00F 0.01F 1nF - 999nF Vn  2500V 1.00F - 9.99F 0.01F  5M (10rdg+5dgt) 10.0F - 19.9F 0.1F 1nF - 999nF Vn ...

  • Page 31: Environment

    Rish Insu 5Dx Battery life: >1000 Test @ 5kV on 5M (Test time: 5sec, delay between 2 test: 25sec) according to IEC/EN61557-2. (§ 6.7) Auto Power OFF: after 5 min of idleness Display Characteristics: LCD with backlight with 3 contemporary readings:...

  • Page 32: Service

    Rish Insu 5Dx 10 SERVICE 10.1 SERVICE OPERATION If the instrument does not operate properly, before contacting the After-sales Service, please check the conditions of battery and cables and replace them, if necessary. Should the instrument still operate improperly, check that the product is operated according to the instructions given in this manual.

  • Page 33: Theoretical Appendix

    Rish Insu 5Dx 11 THEORETICAL APPENDIX 11.1 POLARIZATION INDEX (PI) PI is the ratio of Insulation Resistance values measured after 1 minute and after 10 minutes. The DC test voltage is present during the whole period of the measurement (an Insulation Resistance measurement is also running).

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