HT EQUITEST 5071 User Manual Download

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Versione EN 1.00 - 15/01/2013

EQUITEST 5071

User manual

Summary of Contents for EQUITEST 5071

Page 1: ... Copyright HT ITALIA 2013 Versione EN 1 00 15 01 2013 EQUITEST 5071 User manual ...

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Page 3: ... 2 2 Anomalous situations 16 6 3 LOW 10AE204 Continuity 10A in compliance with IEC EN60204 1 2006 17 6 3 1 Measuring 18 6 3 2 Anomalous situations 20 6 4 LOOP Ra Loop impedance overall earth resistance and phase sequence 21 6 4 1 High resolution impedance measurement 0 1 m 22 6 4 2 P N mode measurement procedure and results 22 6 4 3 P P mode measurement procedure and results 24 6 4 4 P PE mode mea...

Page 4: ...etc and 50V in normal environments since a risk of electrical shock exists Only use original accessories In this manual and on the instrument the following symbols are used CAUTION observe the instructions given in this manual improper use could damage the instrument its components and create dangerous situations for the operator Presence of dangerous voltage 30V electrical shock hazard Double ins...

Page 5: ...ory is 6 7 4 Measured circuits reads Circuits are divided into the following measurement categories Measurement category IV is for measurements performed at the source of the low voltage installation Examples are electricity meters and measurements on primary overcurrent protection devices and ripple control units Measurement category III is for measurements performed inside buildings Examples are...

Page 6: ...ment is delivered undamaged However we recommend rapidly checking it to detect any damage possibly suffered during transport In case anomalies are found immediately contact the Dealer We also recommend checking that the packaging contains all components indicated in 10 4 In case of discrepancy please contact the Dealer In case the instrument should be returned please follow the instructions given ...

Page 7: ... SAVE key 7 ESC key 8 MENU key 9 Rotary selector switch Fig 1 Description of the instrument s front panel 4 2 INPUT AND OUTPUT LEADS CAPTION 1 B1 B2 B3 B4 inputs 2 Input for external 230V 50Hz power supply for functions LOW 10A and LOW 10AE60204 3 Optical serial output for PC connection Fig 2 Description of the instrument s inputs and outputs ...

Page 8: ...4 4 DISPLAY DESCRIPTION The display is a graphic module with a resolution of 128 x 128 dots The first line of the display shows the instrument s date and time In the top right hand corner of the display there is the battery charge indicator LOW 30 11 12 R R mA mA AUTO 0 11 FUNC CAL For the sake of brevity these symbols will be omitted in the following screenshots of this manual 4 5 INITIAL SCREEN ...

Page 9: ... are available Safety Test Memory memory area for saving measuring results Contrast function to adjust display contrast Date Time function to adjust system date time Language function to select system language 5 1 ADJUSTING DISPLAY CONTRAST Proceed as follows 1 Press the MENU key with the selector switch in any position to enter the General Menu 2 Use the F1 key to move the cursor to CONTRAST Conf...

Page 10: ...4 keys to increase or decrease the value of date time 5 Press the ENTER key to confirm The settings made shall remain valid also after switching off the instrument 6 Press the ESC key to exit without saving 5 3 LANGUAGE SETTING Proceed as follows 1 Press the MENU key with the selector switch in any position to enter the General Menu 2 Use the F1 key to move the cursor to LANGUAGE Confirm with ENTE...

Page 11: ...ficiently long measuring time to be able to move the protective conductors while the instrument is carrying out the test in order to find out a possible bad connection RT mode measurement with negative polarity and with the possibility of setting a duration time for testing In this case the operator may set a sufficiently long measuring time to be able to move the protective conductors while the i...

Page 12: ... value indicates that calibration has been carried out FUNC CAL 6 At measurement end the instrument gives out a double sound to indicate that calibration has been correctly carried out The value of calibration is updated and displayed above the F2 key This value shall remain saved also after the instrument has been switched off CAUTION The instrument calibrates the measuring cables only if their r...

Page 13: ... conductive parts of the alligator clips have good contact Press the START STOP key If the instrument shows a resistance value different from 0 00 repeat the calibration operation see 6 1 1 6 Connect the instrument terminals to the ends of the conductor whose continuity you want to test see Fig 4 7 If mode RT or RT is selected use the F3 F4 keys to set the test time 8 Press the START STOP key The ...

Page 14: ... results can be saved by pressing the SAVE key twice see 7 1 RT or RT mode results During the test an audible beep sounds in case the measured resistance value exceeds 99 9 If at the end of the test the maximum RT or RT resistance value measured is lower than 5 the instrument gives out a double sound to signal the positive result of the test The following screen appears on the display LOW 30 11 12...

Page 15: ... FUNC CAL PREVIOUS RESULTS CANNOT BE SAVED In case a resistance higher or equal to 5 but lower than 99 9 is detected at the end of the test the instrument gives out a long sound and the following screen appears on the display LOW 30 11 12 5 17 R R 5 17 5 17 209mA 209mA AUTO 0 11 Resistance higher than 5 Test current FUNC CAL The results can be saved by pressing the SAVE key twice see 7 1 In case a...

Page 16: ...one of these parasite elements is present before measuring and always keep test cables outstretched in order to prevent coil effects CAUTION The instrument performs the test with a current 10A only if resistance is lower than approx 0 45 6 2 1 Measuring 1 Turn the rotary switch to LOW 10A The following screen appears on the display LOW 10A 30 11 12 A RLIM 0 100 2 Use the F3 and F4 keys to set the ...

Page 17: ...t is carrying out the test Never disconnect the instrument s leads during this phase At the end of the test the instrument gives out a double sound to indicate that test has been correctly performed and the following screen appears on the display LOW 10A 31 11 12 0 107 13 4A RLIM 0 100 Measured resistance Test current 6 The displayed results can be saved by pressing the SAVE key twice see 7 1 ...

Page 18: ... display LOW 10A 31 11 12 Symbol indicates a resistance higher than the limit set 0 323 9 12A RLIM 0 100 Test current The displayed results can be saved by pressing the SAVE key twice see 7 1 If the instrument detects a resistance higher than the maximum measurable value it gives out a long sound and the following screen appears on the display LOW 10A 31 11 12 Symbol indicates a resistance higher ...

Page 19: ... the standard average value of 0 017 mm2 m Measurement is carried out by voltammetric method with 4 wires Therefore the calculated value is not influenced by the value of resistance of the measuring cables so it is not necessary to carry out any preventive calibration of the cables used for measuring unlike with function LOW CAUTION Before carrying out the continuity test make sure there is no vol...

Page 20: ...ted selecting the values 0 5 1 1 5 2 5 4 6 10 16mm2 Keep the function keys pressed for a quick setting of the desired values 3 Supply the instrument by connecting it to the 230V 50Hz electric mains see Fig 2 position 2 by means of the cable supplied 4 Connect the connectors of the measuring cables C7000 provided to the instrument s input terminals B1 Black B2 Red B3 Red B4 Black and the alligator ...

Page 21: ...t Never disconnect the instrument s leads during this phase At the end of the test the instrument gives out a double sound to indicate that test has been correctly performed and the following screen appears on the display LOW 10A 31 11 12 0 012 22 7A LEN 10 0 SEC 4 0 Measured resistance Test current 6 The displayed results can be saved by pressing the SAVE key twice see 7 1 ...

Page 22: ...lay LOW 10AE204 30 11 12 Symbol indicates a resistance higher than the limit set 0 323 9 12A LEN 10 0 SEC 4 0 Test current The displayed results can be saved by pressing the SAVE key twice see 7 1 If the instrument detects a resistance higher than the maximum measurable value it gives out a long sound and the following screen appears on the display LOW 10AE204 30 11 12 Symbol indicates a resistanc...

Page 23: ... in the installation point P PE mode the instrument measures the overall earth resistance and calculates the assumed Phase Earth short circuit current This test is usually carried out to evaluate the coordination of the protections against indirect contact by means of an automatic interruption of power supply and to measure the value of Earth resistance RA mode the instrument measures the overall ...

Page 24: ...visit the website www ht instruments com 6 4 2 P N mode measurement procedure and results 1 Select the P N mode using the F1 key 2 Insert the 3 Black Green Blue connectors of the three pin shuko cable or of the separate cables into the relevant instrument input terminals B1 B3 B4 see Fig 7 Fig 8 In case separate cables are used insert alligator clips on the free cable ends Fig 7 Connection for mea...

Page 25: ...ng this phase At the end of the test the instrument gives out a double sound to indicate that test has been correctly performed and the following screen appears on the display Value of Phase Neutral Line impedance expressed in Ohm LOOP 30 11 12 1 07 215A FRQ 50 0HZ VP N 231V VP PE 231V P N Value of the assumed Phase Neutral short circuit current calculated using the formula reported below FUNC Z2 ...

Page 26: ...magnetothermal protections with lower tripping currents In this case carry out the measurement upstreams of the protections When message MEASURING is displayed this indicates that the instrument is carrying out the test Never disconnect the instrument s leads during this phase At the end of the test the instrument gives out a double sound to indicate that test has been correctly performed and the ...

Page 27: ...nt carries out the test checking that the contact voltage found on the system masses with regard to the actual current applied does not exceed the limit value set You may select one of the two possible values 50V default 25V 5 Press the START key once The instrument carries out the test by circulating a current of type 0 Otherwise press the START key twice before the dashes disappear The instrumen...

Page 28: ...ing the formula reported below FUNC Z2 Operating mode N B In TT systems the value of impedance measured by the instrument may only be attributed to the value of overall earth resistance Therefore in compliance with standard CEI 64 8 the measured value may be taken as the value of the system s earth resistance Formula used for calculating the assumed short circuit current PE N CC Z U I where UN Pha...

Page 29: ... contact voltage The instrument carries out the test checking that the contact voltage found on the system masses with regard to the actual current applied by the instrument does not exceed the limit value set for contact voltage You may select one of the two possible values 50V default 25V 5 Press the START STOP key once The instrument carries out the test by circulating a current of type 0 Other...

Page 30: ...formula reported below Operating mode FUNC N B In TT systems the value of overall earth resistance may be considered similar to the value of Phase Earth fault loop impedance measured by the instrument Therefore in compliance with standards the measured value may be taken as the value of the system s earth resistance Formula used for calculating the assumed short circuit current PE N CC Z U I where...

Page 31: ...the test Never disconnect the instrument s leads during this phase At the end of the test the instrument gives out a double sound to indicate that test has been correctly performed and the following screen appears on the display 30 11 12 Phase sequence indication 123 123 FRQ 50 0HZ V1 2 391V V2 3 401V V3 1 399V OK PHASE ROTATION Phase Phase voltage values Correct phase sequence FUNC Operating mode...

Page 32: ... not connected phase to phase LOOP 30 11 12 A Freq 50 0HZ VP N 401V VP PE 230V HIGH VOLTAGE P PE 50V Voltage too high FUNC Z2 UL If the instrument detects that the Phase and Neutral terminals have been exchanged the following message appears on the display Rotate the Shuko plug or check the connection of the separate cables LOOP 30 11 12 A FRQ 50 0HZ VP N 231V VP PE 0V CHANGE P N P PE 50V FUNC Z2 ...

Page 33: ...ductor and of the grounding system LOOP 30 11 12 A FRQ 50 0HZ VP N 1V Vp PE 0V Ut DANGEROUS RA 50V FUNC UL The instrument detects a dangerous Contact Voltage If the instrument detects an Earth resistance so high that the Earth conductor of the grounding system itself may be considered missing the following message appears on the display Check for the efficiency of the PE conductor and of the groun...

Page 34: ...99 9 A FRQ 50 0HZ VP N 1V VP PE 0V P N FUNC Z2 The results can be saved by pressing the SAVE key twice see 7 1 Using modes P PE RA if the instrument detects an impedance higher than 1999 the following screen appears on the display LOOP 30 11 12 Symbol indicates that the value of impedance is higher than the maximum measurable value 1999 A FRQ 50 0HZ VP N 1V VP PE 0V RA 50V FUNC UL The results can ...

Page 35: ...ys the following screen Check that all phases of the electric system being tested have voltage 30 11 12 FRQ 50 0HZ V1 2 407V V2 3 0 V V3 1 407V PHASE DOUBLED PHASE ROTATION Two phases of the three phase system being tested are connected to each other FUNC Using mode if phase sequence is incorrect the symbol 132 is displayed Exchange two phases of the electric system being tested and repeat the tes...

Page 36: ...rs on the display to confirm operation 4 Press the ESC key to exit without saving 7 2 RECALLING AND DELETING DATA FROM THE MEMORY 1 Press the MENU key to access the instrument s general menu Select item SAFETY TEST MEMORY and confirm with ENTER The following screen appears on the display SAFETY TEST MEMORY MEM TYPE REF 001 LOW 001 002 LOW 10A 001 003 LOW E204 002 004 LOOP 003 TOT 004 FREE 995 LAST...

Page 37: ...nstrument and leave it in any reading screen 5 Connect the optical connector of the C2006 cable to the instrument side in the shape of an 8 and the other end to a USB port of the PC 6 Click on key PC InstrumentConnection of the TopView software The following screen appears on the display 7 Use the keys Detect instrument and Autoset until the instrument is detected 8 Click on key Forward and follow...

Page 38: ...s The date time settings remain unchanged only if replacement is carried out within 24 hours Only expert and trained technicians should perform this operation Before carrying out this operation make sure you have disconnected all cables from the input terminals 1 Switch off the instrument using the ON OFF key 2 Remove all the cables from the input terminals 3 Loosen the battery compartment cover f...

Page 39: ... 1m 999 9m Selectable section 0 5 1 1 5 2 5 4 6 10 16mm 2 Copper resistivity 0 017 mm 2 m Measuring mode 4 terminals Power supply 230V AC 50 60Hz Contact voltage Ut Range V Resolution V Accuracy 0 2Ut lim 0 1 0 10 rdg 3digits Ut lim UL 25V or 50V Frequency Range Hz Resolution Hz Accuracy 47 0 63 6 0 1 0 1 reading 1digit LOOP measurement is only active for 50Hz 0 5Hz AC voltage measurement LOOP Mea...

Page 40: ...y Internal power supply 6x1 5V alkaline batteries type AA LR6 AM3 Battery life LOW 80 test LOOP 1000test Ra 1000 test PHASE SEQUENCE 1000 test External power supply 230V 50 60Hz only for continuity test with 10A Display Characteristics Dot matrix graphic module backlit Resolution 128x128pxl Visible area 73mmx73mm 3 x 3in Memory Memory 2MByte non expandable Verification tests max 999 measurements I...

Page 41: ...rs which may become necessary as a consequence of interventions performed by unauthorized personnel Modifications to the instrument performed without the manufacturer s explicit authorization Use not provided for in the instrument s specifications or in the instruction manual The content of this manual cannot be reproduced in any form without the manufacturer s authorization Our products are paten...

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Page 44: ...YAMUM0055HT0 Via della Boaria 40 48018 Faenza RA Italy Tel 39 0546 621002 4 linee r a Fax 39 0546 621144 email ht htitalia it http www ht instruments com ...

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