Ht-instruments MACROTEST G3 Bedienungsanleitung

 Copyright HT ITALIA 2014 Release EN 1.01 27/03/2014 MACROTESTG3 – COMBIG3 User manual

MACROTESTG3 - COMBIG3 EN - 9 4.3. KEYBOARD DESCRIPTION The keyboard includes the following keys: ON/OFF key to switch on/off the instrument

MACROTESTG3 - COMBIG3 EN - 99 CAUTION The instrument must be used to measure fault loop impedance values at least 10 times higher than the re

MACROTESTG3 - COMBIG3 EN - 100 12.10. VERIFY OF THE PROTECTION AGAINST SHORT CIRCUITS – TEST I2T The I2t parameter represents the specific ener

MACROTESTG3 - COMBIG3 EN - 101 12.11. VERIFICATION OF VOLTAGE DROP ON MAIN LINES Measurement voltage drop as a result of current flow through a

MACROTESTG3 - COMBIG3 EN - 102 Check that the measured value of earth resistance is lower than the maximum limit calculated on the basis of the m

MACROTESTG3 - COMBIG3 EN - 103 If the length of the cables supplied with the instrument is not enough, you can create your own extensions to carr

MACROTESTG3 - COMBIG3 EN - 104 area of the ground system by reducing this distance to once the diagonal of the ground system (see Fig. 38). To

MACROTESTG3 - COMBIG3 EN - 105 increasing "d" rods should be reported in a graph from which, according to the curve obtained, it is pos

MACROTESTG3 - COMBIG3 EN - 106 a) resistance of a vertical rod Rd =  / L where L = length of the element touching the ground b) resistance of

Via della Boaria 40 48018 – Faenza (RA) - Italy Tel: +39-0546-621002 (4 lines) Fax: +39-0546-621144 email: [email protected] http://www.ht-instruments.

MACROTESTG3 - COMBIG3 EN - 10 5. GENERAL MENU Pressing the ENTER key in any condition of the instrument allows to go back to the general menu in

MACROTESTG3 - COMBIG3 EN - 11 5.1.2. Automatic Power OFF for display and key sound Touch the icon. The screen to the side appears on the displ

MACROTESTG3 - COMBIG3 EN - 12 6. OPERATING INSTRUCTIONS 6.1. LOW: CONTINUITY OF PROTECTIVE CONDUCTORS This function is performed in compliance

MACROTESTG3 - COMBIG3 EN - 13 1. Touch the icon. The screen to the side appears on the display. The instrument automatically carries out the te

MACROTESTG3 - COMBIG3 EN - 14 5. Perform, if necessary, the compensation of the measuring leads resistance by connecting the cables or the rem

MACROTESTG3 - COMBIG3 EN - 15 10. At the end of the test, if the value of the measured resistance is higher than the set limit, the screen to t

MACROTESTG3 - COMBIG3 EN - 16 6.2. M: MEASUREMENT OF INSULATION RESISTANCE This function is performed in compliance with standards IEC/EN61557-

MACROTESTG3 - COMBIG3 EN - 17 1. Touch the icon. The screen to the side appears on the display. The instrument automatically carries out the t

MACROTESTG3 - COMBIG3 EN - 18 CAUTION  Disconnect any cable not strictly involved in measurement and especially check that no cable is conn

MACROTESTG3 - COMBIG3 EN - 1 Table of contents: 1. PRECAUTIONS AND SAFETY MEASURES ...

MACROTESTG3 - COMBIG3 EN - 19 6.2.1. Anomalous situations 1. If the instrument measures a resistance higher than the set limit value but for whi

MACROTESTG3 - COMBIG3 EN - 20 6.3. RCD: TEST ON DIFFERENTIAL SWITCHES This function is performed in compliance with standard IEC/EN61557-6 and a

MACROTESTG3 - COMBIG3 EN - 21 Fig. 12: Connection for a 400V + N + PE three-phase system by means of single cables and remote lead Fig. 13: Con

MACROTESTG3 - COMBIG3 EN - 22 1. Touch the icon. The screen to the side appears on the display. Touch the icon to the left to set the RCD ope

MACROTESTG3 - COMBIG3 EN - 23 5. Touch the icon to zero the value in “A” field and use the virtual keyboard to set the value of rated current

MACROTESTG3 - COMBIG3 EN - 24 6.3.1. AUTO mode 9. Press the GO/STOP key on the instrument or the START key on the remote lead. The instrument wil

MACROTESTG3 - COMBIG3 EN - 25 6.3.2. x½, x1, x2, x5 modes 9. Press the GO/STOP key on the instrument or the START key on the remote lead. The in

MACROTESTG3 - COMBIG3 EN - 26 6.3.4. Mode The standard defines, for molded case type STD, the tripping times for RCDs at nominal current. The

MACROTESTG3 - COMBIG3 EN - 27 6.3.5. Test on earth leakage relay RCD The instrument allows performing tests on earth leakage relay RCD with curr

MACROTESTG3 - COMBIG3 EN - 28 6.3.6. Anomalous situations 1. If the voltage between inputs B1 and B4 and inputs B1 and B3 is higher than 265V, t

MACROTESTG3 - COMBIG3 EN - 2 6.9. ΔV%: Voltage drop of main lines ...

MACROTESTG3 - COMBIG3 EN - 29 6. If the instrument detects that the phase and neutral leads are inverted, it does not carry out the test and a sc

MACROTESTG3 - COMBIG3 EN - 30 11 If the instrument detects a voltage Vn-pe > 50V (or the analogue Vn-pe >25V) it provides the warning scree

MACROTESTG3 - COMBIG3 EN - 31 6.4. LOOP: LINE IMPEDANCE/LOOP AND OVERALL EARTH RESISTANCE This function is performed in compliance with standar

MACROTESTG3 - COMBIG3 EN - 32 Fig. 18: P-N/P-PE measurement for 400V+N+PE three-phase systems by means of single cables and remote lead Fig. 1

MACROTESTG3 - COMBIG3 EN - 33 6.4.1. Test types The protection of electrical lines is the essential part of a project so as to guarantee the corr

MACROTESTG3 - COMBIG3 EN - 34 The following table summarizes the possible measures executable depending on the type of system (TT, TN and IT), of

MACROTESTG3 - COMBIG3 EN - 35 This mode performs the impedance measurement and the calculation of prospective short circuit current without apply

MACROTESTG3 - COMBIG3 EN - 36 6. The value of the assumed short-circuit current (Isc) is shown in the upper part of the display, while the Line/

MACROTESTG3 - COMBIG3 EN - 37 6.4.3. Mode kA – Verify of breaking capacity of protection device 1. Select the options “TN, TT or “IT”, “25 or 5

MACROTESTG3 - COMBIG3 EN - 38 5. Press the GO/STOP key or the START key on the remote lead. During this whole stage, do not disconnect the measur

MACROTESTG3 - COMBIG3 EN - 3 1. PRECAUTIONS AND SAFETY MEASURES The instrument has been designed in compliance with directives IEC/EN61557 and I

MACROTESTG3 - COMBIG3 EN - 39 6.4.4. Mode I2t – Verify of protection against short-circuit CAUTION The verify of conductor protection agains

MACROTESTG3 - COMBIG3 EN - 40 4. Touch the icon to zero the value in the In field and use the virtual keyboard to set the value of the RCD rate

MACROTESTG3 - COMBIG3 EN - 41 6. If possible, disconnect all loads connected downstream of the measured point, as the impedance of these users c

MACROTESTG3 - COMBIG3 EN - 42 6.4.5. Mode - Verify of protection coordination 1. Select the options “TN, TT or “IT”, “25 or 50V”, “50Hz or 60H

MACROTESTG3 - COMBIG3 EN - 43 5. Move the slide bar reference by selecting the protection tripping time between the options: 0.1s, 0.2s, 0.4s, 5

MACROTESTG3 - COMBIG3 EN - 44 6.4.6. Verify of protection against indirect contacts (TN system) 1. Select the options "TN", “25 or 50

MACROTESTG3 - COMBIG3 EN - 45 6. If possible, disconnect all loads connected downstream of the measured point, as the impedance of these users c

MACROTESTG3 - COMBIG3 EN - 46 6.4.7. Verify of protection against indirect contacts (IT systems) 1. Select the options "IT", “25 or 5

MACROTESTG3 - COMBIG3 EN - 47 6.4.8. Verify of protection against indirect contacts (TT systems) 1. Select the options "TT", “25 or 5

MACROTESTG3 - COMBIG3 EN - 48 5. Press the GO/STOP key or the START key on the remote lead. During this whole stage, do not disconnect the measur

MACROTESTG3 - COMBIG3 EN - 4 1.2. DURING USE Please carefully read the following recommendations and instructions: CAUTION Failure to compl

MACROTESTG3 - COMBIG3 EN - 49 6.4.9. Impedance measurement by means of the accessory IMP57 Impedance measurements performed with the optional ac

MACROTESTG3 - COMBIG3 EN - 50 4. The symbol indicates the correct connection and recognition of the IMP57 by the instrument. Check the green ST

MACROTESTG3 - COMBIG3 EN - 51 6.4.10. Anomalous situations 1. If the instrument detects an L-N or L-PE voltage higher than the maximum limit (26

MACROTESTG3 - COMBIG3 EN - 52 6. If the instrument detects that the phase and neutral leads are inverted, it does not carry out the test and a sc

MACROTESTG3 - COMBIG3 EN - 53 6.5. SEQ: PHASE SEQUENCE AND PHASE CONCORDANCE TEST This function is performed in compliance with standards IEC/EN6

MACROTESTG3 - COMBIG3 EN - 54 3. Insert the blue and black connectors of the single cables in the corresponding input terminals of the instrument

MACROTESTG3 - COMBIG3 EN - 55 8. At the end of the test, if the detected phase sequence is correct, the instrument displays a screen like the on

MACROTESTG3 - COMBIG3 EN - 56 6.5.1. Anomalous situations 1. If between the test start and the acquisition of the first voltage or between the a

MACROTESTG3 - COMBIG3 EN - 57 6.6. LEAKAGE: LEAKAGE CURRENT MEASUREMENT Using an external clamp, this function allows measuring the leakage curr

MACROTESTG3 - COMBIG3 EN - 58 CAUTION Possible additional earth connections could influence the measured value. In case of real difficulty in re

MACROTESTG3 - COMBIG3 EN - 5 2. GENERAL DESCRIPTION 2.1. FOREWORD If used according to the instructions given in this manual, the instrument you

MACROTESTG3 - COMBIG3 EN - 59 6.7. EARTH: MEASUREMENT OF EARTH RESISTANCE The MACROTESTG3, MOD1, MOD2 models (or COMBIG3 with EARTH function en

MACROTESTG3 - COMBIG3 EN - 60 Fig. 27: Two-wire earth resistance measurement using an auxiliary rod Fig. 28: Two-wire earth resistance measur

MACROTESTG3 - COMBIG3 EN - 61 1. Select the options “TN, TT or “IT”, “25 or 50V”, “50Hz or 60Hz” and the reference voltage in the general settin

MACROTESTG3 - COMBIG3 EN - 62 5. Touch the icon to zero the value in the "A" field and use the virtual keyboard to set the value of f

MACROTESTG3 - COMBIG3 EN - 63 11Drive the auxiliary rods into the ground keeping to the distance instructions provided by the standards (see § 12

MACROTESTG3 - COMBIG3 EN - 64 16For earth resistance measurement in TN systems, in case of positive result (see § 12.11), the screen to the side

MACROTESTG3 - COMBIG3 EN - 65 6.7.2. Earth measurement with optional clamp T2100 This measurement allows evaluating the partial resistances of t

MACROTESTG3 - COMBIG3 EN - 66 1. Select the options “TN, TT or “IT”, “25 or 50V”, “50Hz or 60Hz” and the reference voltage in the general settin

MACROTESTG3 - COMBIG3 EN - 67 5. After the insertion of the value of the first rod it will be not possible to transfer the eventually measrements

MACROTESTG3 - COMBIG3 EN - 68 6.7.3. Anomalous situations in 3-wire and 2-wire earth measurements 1. When starting a measurement, if the instru

MACROTESTG3 - COMBIG3 EN - 6 2.2. INSTRUMENT FUNCTIONS The instrument is equipped with a TFT color LCD display, with capacitive "touch-scree

MACROTESTG3 - COMBIG3 EN - 69 6.8. AUX: MEASURE OF AMBIENT PARAMETERS THROUGH EXTERNAL PROBES By means of external transducers, this function al

MACROTESTG3 - COMBIG3 EN - 70 4. The measured value appears on the display in real time as shown in the screen to the side. Press the SAVE butt

MACROTESTG3 - COMBIG3 EN - 71 6.9. ΔV%: VOLTAGE DROP OF MAIN LINES This feature allows to evaluating the percentage value of voltage drop betwee

MACROTESTG3 - COMBIG3 EN - 72 1. Select the option “50Hz or 60Hz” and the reference Phase-Neutral or Phase-Phase voltage in the general settings

MACROTESTG3 - COMBIG3 EN - 73 5. Touch the icon to zero the value in the “%” field and use the virtual keyboard to set the value of V% in the

MACROTESTG3 - COMBIG3 EN - 74 10Press the GO/STOP key on the instrument to measure the Z2 impedance and complete the V% voltage drop measurement

MACROTESTG3 - COMBIG3 EN - 75 6.9.1. Anomalous situations 1. If the instrument detects an L-N or L-PE voltage higher than the maximum limit (265

MACROTESTG3 - COMBIG3 EN - 76 6. If the instrument detects that the phase and neutral leads are inverted, it does not carry out the test and a sc

MACROTESTG3 - COMBIG3 EN - 77 7. OPERATIONS WITH THE MEMORY 7.1. SAVING MEASUREMENTS The structure of the memory area (999 locations), of "

MACROTESTG3 - COMBIG3 EN - 78 7.2. RECALLING MEASUREMENTS AND DELETING THE MEMORY 1. Touch the icon in the general menu. The screen to the sid

MACROTESTG3 - COMBIG3 EN - 7 3. PREPARATION FOR USE 3.1. INITIAL CHECKS Before shipping, the instrument has been checked from an electric as wel

MACROTESTG3 - COMBIG3 EN - 79 7.2.1. Anomalous situations 1. In case there is no measure saved and the instrument memory is accessed, a screen s

MACROTESTG3 - COMBIG3 EN - 80 8. CONNECTING THE INSTRUMENT TO A PC The connection between a PC and the instrument can be done via a serial port

MACROTESTG3 - COMBIG3 EN - 81 9. MAINTENANCE 9.1. GENERAL INFORMATION  While using and storing the instrument, carefully observe the recommenda

MACROTESTG3 - COMBIG3 EN - 82 10. TECHNICAL SPECIFICATIONS Accuracy is calculated as: ±[%reading + (no. of digits) * resolution] at 23°C, <80%

MACROTESTG3 - COMBIG3 EN - 83 First fault current – IT systems Range [mA] Resolution [mA] Accuracy 0.1  0.9 0.1 (5reading+1digit) 1  999 1

MACROTESTG3 - COMBIG3 EN - 84 Test on RCD without integral current breaking device (with accessory RCDX10) Differential protection type (RCD): A

MACROTESTG3 - COMBIG3 EN - 85 Contact voltage (measured during RCD and Ra test) Range [V] Resolution [V] Accuracy 0  Ut LIM 0.1 -0%, +(5.0 rd

MACROTESTG3 - COMBIG3 EN - 86 10.2. REFERENCE GUIDELINES Safety: IEC/EN61010-1, IEC/EN61557-1, -2, -3, -4, -5, -6, -7, -10 Technical documentatio

MACROTESTG3 - COMBIG3 EN - 87 11. SERVICE 11.1. WARRANTY CONDITIONS This instrument is warranted against any material or manufacturing defect, in

MACROTESTG3 - COMBIG3 EN - 88 12. THEORETICAL APPENDIXES 12.1. CONTINUITY OF PROTECTIVE CONDUCTORS Purpose of the test Check the continuity of:

MACROTESTG3 - COMBIG3 EN - 8 4. NOMENCLATURE 4.1. INSTRUMENT DESCRIPTION CAPTION: 1. Inputs 2. LCD Touch screen display 3. Function keys F1, F2,

MACROTESTG3 - COMBIG3 EN - 89 12.2. INSULATION RESISTANCE Purpose of the test Check that the insulation resistance of the installation complies

MACROTESTG3 - COMBIG3 EN - 90 12.3. CHECKING CIRCUIT SEPARATION Definitions A SELV system is a zero-category system or safety extra low volta

MACROTESTG3 - COMBIG3 EN - 91 EXAMPLE OF SEPARATION TEST BETWEEN ELECTRICAL CIRCUITS Insulation or safety transformer separating the circuits

MACROTESTG3 - COMBIG3 EN - 92 12.4. TEST ON DIFFERENTIAL SWITCHES (RCD) Purpose of the test Checking that the General (G) and Selective (S) and

MACROTESTG3 - COMBIG3 EN - 93 12.5. VERIFY OF THE BREAKING CAPACITY OF PROTECTION DEVICES Purpose of the test Checking that the breaking capacit

MACROTESTG3 - COMBIG3 EN - 94 12.6. VERIFY OF PROTECTION AGAINST INDIRECT CONTACTS IN TN SYSTEMS Purpose of the test The protection against indi

MACROTESTG3 - COMBIG3 EN - 95 Depending on the set values of phase-phase, phase-neutral or phase-PE voltage (see § 5.1.3) and the measured value

MACROTESTG3 - COMBIG3 EN - 96 12.7. VERIFY OF PROTECTION AGAINST INDIRECT CONTACTS IN TT SYSTEMS Purpose of the test Checking that the protectio

MACROTESTG3 - COMBIG3 EN - 97 12.8. VERIFY OF PROTECTION AGAINST INDIRECT CONTACTS IN IT SYSTEMS In IT systems the active parts must be isolated

MACROTESTG3 - COMBIG3 EN - 98 12.9. VERIFY OF PROTECTION COORDINATION L-L, L-N AND L-PE Purpose of the test Test the coordination of protective