Rishabh Rish Insu 5Dx User Manual Download Page 1

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Release 1.01 - 04/02/16

Rish Insu 5Dx

5KV Digital Insulation Tester

User Manual

Summary of Contents for Rish Insu 5Dx

Page 1: ...Release 1 01 04 02 16 Rish Insu 5Dx 5KV Digital Insulation Tester User Manual ...

Page 2: ... the test parameters for ADJUST mode 16 4 10 Insulation measurement in RAMP mode 17 4 10 1 Configuration of the test parameters for RAMP 1 mode 21 4 10 2 Configuration of the test parameters for RAMP 2 mode 21 4 10 3 Configuration of the test parameters for RAMP 3 mode 22 4 11 Enable Disable of SMOOTH function 22 4 12 Anomalous situations 22 5 MANAGEMENT OF MEMORY DATA 25 5 1 Save measurements 25 ...

Page 3: ...re used CAUTION it is necessary to consult the instruction manual to find the type of potential danger and the actions to be taken Observe the instructions reported in the manual An improper use could damage the instrument and lead to dangerous situations for the operator DC voltage or current AC voltage or current Dangerous voltages risk of electric shocks Instrument with double insulation 1 1 PR...

Page 4: ...eneral requirements defines what is intended for measurement category commonly known as overvoltage category In 6 7 4 Measuring circuits it reads Circuits are divided into the following measurement categories Measurement category IV is for measurements performed at the source of a low voltage installation Examples are electric counters and measurements on primary devices protecting against overcur...

Page 5: ...he dealer Moreover we recommend checking that the package contains all parts listed in 9 4 Should you find any discrepancy please contact the dealer Should it become necessary to return the instrument please follow the instructions reported in 10 3 2 POWER SUPPLY The instrument is power supplied through internal batteries which are recharged from the mains by means of a battery charger integrated ...

Page 6: ...ns which are described in detail below ON OFF key used for Switch on off the instrument Switch on the display s backlighting for 20 seconds short pressing of the key with the instrument already on FUNC ERASE MEM key used for Select the desired function Delete the measurements saved during the display of memory data MODE CLEAR SMOOTH key used for Change the internal modes if there are more availabl...

Page 7: ...e to the parameters START STOP key used for Start and or stop a measurement Table 1 Description of function keys 4 3 DESCRIPTION OF DISPLAY Symbol Description Display group 1 shows Insulation resistance Dielectric leakage current PI Polarization Index DAR Dielectric Absorption Ratio Capacitance Display group 2 shows Nominal test voltage Generated test voltage Display group 3 shows the duration tim...

Page 8: ...ce such as the insulation resistance is very difficult as the value of the currents considered may be very low When measuring to prevent making mistakes it is therefore necessary to take the following precautions CAUTION Keep the measuring leads suspended above the path or anyway make sure the leads do not make contact in more of one point While measuring high resistances the area around the measu...

Page 9: ...ument shows the firmware version then it sets to the last measuring mode selected before turning off 4 7 1 Configuration of the test parameters for FIX mode If no test is being carried out the instrument automatically turns off after approximately 5 minutes after the last time a key was pressed To reactivate the instrument it is necessary to turn it on again by pressing the relevant key ...

Page 10: ...damaged Always connect the measuring leads to the instrument and to the alligator clips with the accessories disconnected from the system It is recommended to hold the alligator clip respecting the safety area marked by the hand protection see 4 4 Fig 4 Instrument connection 1 Turn on the instrument by press ON OFF key 2 Press the FUNC ERASE MEM key to select the FIX mode 3 The display shows a scr...

Page 11: ...he conductor being tested the conductor could remain live at a dangerous voltage because of possible stray capacitances in the circuit tested Never insert the power cord into the Mains socket 9 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 FIX selected mode The bargraph propor...

Page 12: ...surement is complete and any capacitance has been discharged the instrument shows The value of the measured insulation resistance The value of the generated voltage The duration of the test If the measured resistance value is not between the MIN MAX limits previously set the instrument shows NOT OK the alarm bell and gives a long acoustic signal see 4 10 1 12 Once measurement is complete it is als...

Page 13: ...N 10T Test time value in a range between 00min 05sec 99min 59 sec b Press the arrow keys to change the value of the parameters a long pressing of the keys allows a rapid change of the values c Press the MODE CLEAR SMOOTH key to remove the limit values set for the parameters The display shows the message no to indicate that there is no limit set d After setting press the SAVE key to save the change...

Page 14: ...s connect the measuring leads to the instrument and to the alligator clips with the accessories disconnected from the system We recommend holding the alligator clip respecting the safety area marked by the hand protection see 4 4 Fig 5 Instrument connection 1 Turn on the instrument by pressing the relevant key 2 Press the FUNC ERASE MEM key to select the ADJUST mode 3 The display shows a screen si...

Page 15: ...m the conductor being tested the conductor could remain live at a dangerous voltage because of possible stray capacitances in the circuit tested Never insert the power cord into the Mains socket 9 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 ADJUST function selected The bar g...

Page 16: ...surement is complete and any capacitance has been discharged the instrument shows The value of the measured insulation resistance The value of the generated voltage The duration of the test If the measured resistance value is not between the MIN MAX limits previously set the instrument shows NOT OK the alarm bell and gives a long acoustic signal see 4 9 1 12 Once measurement is complete it is also...

Page 17: ...to 5000V Test time value in a range between 00min 05sec 99min 59 sec b Press the arrow keys to change the value of the parameters a long pressing of the keys allows a rapid change of the values c Press the MODE CLEAR SMOOTH key to remove the limit values set for the parameters The display shows the message no to indicate that there is no limit set Only when setting the value of the test voltage by...

Page 18: ...arts from 0V which is kept for a time T0 reaches the value V1 in a time interval T keeps to value V1 for a time T1 and finally returns to 0 with possible discharge of the residual voltage CAUTION The instrument may be used on installations of overvoltage category CAT IV 600V to earth with maximum voltage 600V between inputs Do not connect the instrument to installations with voltages exceeding the...

Page 19: ...nput voltage 5 Insert the measuring leads into the relevant input leads of the instrument Rx Rx and GUARD if necessary see 4 5 and Fig 6 CAUTION Make sure that there is no voltage at the ends of the measuring points before connecting them to the measuring leads 6 Connect the alligator clips to the part of the system to be tested 7 Press the START STOP key to perform measurement CAUTION The display...

Page 20: ...ied from the mains The battery symbol steadily illuminated or flashing if batteries are flat or are being recharged The timer symbol The two flash symbols to indicate a dangerous voltage The message MEASURING While measuring it is also possible to display the leakage current the capacitance the number N of the cycle the instrument is performing which cyclically show when pressing the arrow keys 9 ...

Page 21: ... 2 4 10 3 11 Once measurement is complete it is also possible to display the leakage current the capacitance the number N of cycles in which the set ramp was repeated which cyclically show when pressing the arrow keys CAUTION If the measured resistance value 5 0M the screen displaying the capacitance shows three hyphens to indicate that it was impossible to measure the capacitance and the CAUTION ...

Page 22: ... to exit without saving and return to the previous screen 4 10 2 Configuration of the test parameters for RAMP 2 mode a 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 maximum value of the insulation MAX in a range between MIN 10T Value of the starting voltage V0 in a range between 100...

Page 23: ...f the keys allows a rapid change of the values c Press the MODE CLEAR SMOOTH key to remove the limit values set for the parameters The display shows the message no to indicate that there is no limit set When setting the value of voltage V0 of time T0 of time interval ΔT of voltage V1 of time T1 and of the number N of cycles by pressing the MODE CLEAR SMOOTH key the default values are set respectiv...

Page 24: ... here to the side for 3 seconds Afterwards the instrument returns to the initial screen 4 If upon pressing the START STOP key with 2500V nominal test voltage set 5000V and load resistance 5M the 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 Afterwards the instrument returns...

Page 25: ...e side for 3 seconds Afterwards the instrument returns to the initial screen 7 If there are no memory cells available to save the measurement results upon pressing the SAVE key the instrument gives a long acoustic signal and displays the screen reported here to the side for 3 seconds Afterwards the instrument returns to the initial screen 8 The above mentioned anomalous situations cannot be saved ...

Page 26: ... MEM key to go back to the previous screen without saving data in the memory 5 2 DELETE MEASUREMENTS 1 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 2 Press the FUNC ERASE MEM key the instrument displays a screen similar to that reported here to the side which sho...

Page 27: ...key again to exit memory management 6 RESET OF INSTRUMENT 1 Turn on the instrument by pressing the relevant key 2 Press and hold the SET DISPLAY MEM key After approximately 10 seconds the instrument is reset and turns off 7 CONNECTION OF THE INSTRUMENT TO PC The connection between the PC and the instrument is obtained by means of a serial port and the C232NG1 cable supplied with the software pack ...

Page 28: ... is necessary to recharge the battery CAUTION Only expert and trained technicians should perform maintenance operations Before carrying out this operations make sure you have disconnected all cables from the input terminals 1 Fit the power cord in the Mains socket see Fig 1 part 2 with no measurements performed by the instrument 2 The symbol is shown at display to indicate the running of rechargin...

Page 29: ...d Capacitive 1nF Outside range indicated by IEC EN61557 Resistance measurement Operating Accuracy compliance with conditions of IEC EN61557 1 Range Test voltage Resolution Accuracy 0 01M 0 19M 100V 1 rdg 12 rdg 7dgt 0 20M 199G 100V 12 rdg 3dgt if nA Voltage Test Rmis 5 20 rdg 3dgt if nA Voltage Test Rmis 5 0 20M 499G 250V 0 20M 999G 500V 0 20M 1 99T 1000V 0 20M 4 99T 2500V 0 20M 9 99T 5000V Load C...

Page 30: ...0 01 5 rdg 3dgt if nA Voltage Test Rmis 5 20 rdg 3dgt if nA Voltage Test Rmis 5 Load capacitance 1nF 9 1 REFERENCE GUIDELINES Instrument safety IEC EN61010 1 IEC EN61557 1 IEC EN61557 2 Measuring accessory safety IEC EN 61010 031 2002 A1 2008 EMC IEC EN61326 1 Technical documentation IEC EN61187 Insulation double insulation Protection IP40 open case IP53 closed case according to IEC EN60529 Pollut...

Page 31: ...itions for use Reference temperature 23 5 C 73 41 F Operating temperature 0 to 40 C 32 104 F Allowable relative humidity 80 Rh Storage temperature 10 to 60 C 14 140 F Storage humidity 80 Rh This instrument complies with the requirements of European Directive on low voltage 2006 95 EC LVD and of Directive EMC 2004 108 EC This instrument satisfies the requirements of European Directive 2011 65 EU Ro...

Page 32: ...k that the product is operated according to the instructions given in this manual Should the instrument be returned to the After sales Service or to a Dealer transport will be at the Customer s charge However shipment will be agreed in advance A report will always be enclosed to a shipment stating the reasons for the product s return Only use original packaging for shipment any damage due to the u...

Page 33: ...ral applicable values PI value Insulation conditions 1 0 Dangerous from 1 0 to 2 0 Not acceptable from 2 0 to 4 0 Good 4 0 Excellent 11 2 DIELECTRIC ABSORBTION RATIO DAR DAR is ratio of insulation resistance values measured after 30s and after 1 minute The DC test voltage is present during the whole period of the test also an Insulation Resistance measurement is continually running At the end the ...

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