Ht-instruments SIRIUS87 Bedienungsanleitung Seite 1

 Copyright HT ITALIA 2012 Release EN 1.04 - 11/09/2012 SIRIUS 87 User manual

SIRIUS 87 EN - 8 3.5. SET LANGUAGE AND MEASUREMENT UNIT Is possible to set the language and the distance measurement unit (in earth resistivity)

SIRIUS 87 EN - 9 4. DESCRIPTION OF THE ROTARY SWITCH FUNCTIONS 4.1. LOW: CONTINUITY TEST OF EARTH CONDUCTORS WITH 200MA The measurement is per

SIRIUS 87 EN - 10 4.1.1. Mode "CAL" 1. Select mode CAL by means of the FUNC key. 2. Connect the black and blue cables to the instrument

SIRIUS 87 EN - 11 CABLES USED FOR THE TEST Before each measurement always make sure that the calibration is referred to the cables in use. Durin

SIRIUS 87 EN - 12 4.1.2. Continuity measurement mode "AUTO", "R+TIMER", "R-TIMER" 1. Select the desired mode by m

SIRIUS 87 EN - 13 4.1.2.1. Mode "AUTO"  At the end of the test, if the average resistance value Ravg results to be lower than 5 the

SIRIUS 87 EN - 14 4.1.3. Anomalous cases during "AUTO", "R+TIMER", "R-TIMER" tests  In case a value of Ravg or R

SIRIUS 87 EN - 15 4.2. M: INSULATION RESISTANCE MEASUREMENT The measurement is performed according to IEC/EN61557-2 and VDE 0413 part 1. CAU

SIRIUS 87 EN - 16 4.2.1. Procedure to measure insulation resistance in any modes 1. Select the desired mode by means of the FUNC key. 2. Connec

SIRIUS 87 EN - 17 4.2.1.1. Mode "MAN" 6. Press the START/STOP key. The instrument effects the test lasting:  Minimum 6 seconds in

SIRIUS 87 EN - 18 4.2.1.2. Mode "TIMER" 6. Use the following keys to set the duration time of the test: Press this key to increase t

SIRIUS 87 EN - 19 4.2.2. Special cases which may occur during the tests "MAN", "AUTO", "TIMER"  In case a value o

SIRIUS 87 EN - 20 4.3. RCD RCD : TESTS ON RCDS TYPE A OR AC The test is effected according to IEC/EN61557-6, EN61008, EN61009, EN60947-2 B 4.2

SIRIUS 87 EN - 21  Mode Ut (the instrument effects the test with a leakage current equal to half the value of the selected rated current and cal

SIRIUS 87 EN - 22 d) The instrument effects the test at In 180°. Follow the same procedure as described under c). e) The instrument effects th

SIRIUS 87 EN - 23 4.3.1. Measurement procedure for RCD test valid for all the working modes 1. Select the desired mode by means of the FUNC ke

SIRIUS 87 EN - 24 4.3.1.1. Mode "MAN x½" 4.  Press the START/STOP key once. The instrument carries out the test injecting a curren

SIRIUS 87 EN - 25 4.3.1.2. Mode "MAN x1, x2, x5" 4.  Press the START/STOP key once. The instrument carries out the test injecting

SIRIUS 87 EN - 26 4.3.1.3. Mode "AUTO" 4. Press the START/STOP key: The instrument carries out the following six tests with different

SIRIUS 87 EN - 27 4.3.1.4. Mode "RAMP " 4.  Press the START/STOP key once. The instrument carries out the test injecting a curren

SIRIUS 87 EN - 1 Table of contents: 1. SAFETY PRECAUTIONS AND PROCEDURES ... 31.1. Preli

SIRIUS 87 EN - 28 4.3.1.5. Mode "Ut" 4.  Press the START/STOP key once: the instrument carries out the test.  If the RCD does NO

SIRIUS 87 EN - 29 4.3.3. Anomalous cases which may occur during the RCD tests in any working mode  Should the instrument detect that the phase

SIRIUS 87 EN - 30  If the instrument detects that the earth cable (green) is not connected, the screen alongside is displayed for 5 seconds the

SIRIUS 87 EN - 31  During the ramp test if the RCD trips to separate the circuit at a tripping current higher than In (Type AC) or 1.4 In (

SIRIUS 87 EN - 32  In case the instrument is unable to generate the current because the fault loop presents a too high resistance, the instrume

SIRIUS 87 EN - 33 4.4. LOOP : LOOP IMPEDANCE, FAULT CURRENT AND PHASE SEQUENCE TEST Turn the switch on LOOP position. Switch on the instrum

SIRIUS 87 EN - 34 4.4.1. High resolution Impedance measurement (0.1m) SIRIUS 87 is connectable to an external optional accessory (IMP57) useful

SIRIUS 87 EN - 35 4. Connect the shuko plug into a 230V 50Hz socket or the crocodiles to the conductors of the three-phase system (see see Fig.

SIRIUS 87 EN - 36 4.4.3. Mode "P-P" 1. Select P-P mode by means of the FUNC key. 2. If possible disconnect all low impedance loads dow

SIRIUS 87 EN - 37 4.4.4. Mode "P-PE" 1. Select P-PE mode by means of the FUNC key. 2. Connect the 3 black, blue and green connectors o

SIRIUS 87 EN - 2 7. INSTRUMENT CONNECTION TO A PC ... 648. MAINTENANCE ...

SIRIUS 87 EN - 38 5.  Press the START/STOP key once. The instrument carries out the test injecting a current in phase with positive half wav

SIRIUS 87 EN - 39 4.4.5. Mode " " 1. Connect the three black, red and green connectors of the untied cables in the corresponding input

SIRIUS 87 EN - 40 4.4.6. Anomalous cases which may occur during LOOP tests in any working mode  Should the instrument detect that the phase and

SIRIUS 87 EN - 41  If the instrument detects that the earth cable (green) is not connected, the screen alongside is displayed for 5 seconds then

SIRIUS 87 EN - 42  If the instrument finds a network frequency out of range it does not permit to effect the tests and displays the message alo

SIRIUS 87 EN - 43 4.4.7. Anomalous cases which may occur during phase sequence tests  In case that every delta voltages result to be lower th

SIRIUS 87 EN - 44  If one cable is not connected to the network or one phase is absent, the instrument displays the screen alongside  0 V 

SIRIUS 87 EN - 45 4.5. Ra15mA : GLOBAL EARTH RESISTANCE MEASUREMENT Turn the switch on Ra15mA position. Switch on the instrument. 1. Conn

SIRIUS 87 EN - 46 3. The key ULt permits to select one of the following limit values for the contact voltage (which can be shown cyclically whe

SIRIUS 87 EN - 47 4.5.1. Anomalous cases which may occur during RA15mA tests  Should the instrument detect that the phase and/or neutral cable

SIRIUS 87 EN - 3 1. SAFETY PRECAUTIONS AND PROCEDURES The instrument is conforms with safety standards IEC/EN61557 and IEC/EN61010-1 relating to

SIRIUS 87 EN - 48  If the instrument detects that the earth cable (green) is not connected, the screen alongside is displayed for 5 seconds the

SIRIUS 87 EN - 49  If under P-PE mode the instrument caries out the test and detects a global earth resistance to higher than 1999, the screen

SIRIUS 87 EN - 50 4.6. EARTH : EARTH RESISTANCE AND SOIL RESISTIVITY MEASUREMENT Turn the switch on EARTH  position. Switch on the instrume

SIRIUS 87 EN - 51 4.6.1. Measurement procedure for "2P" test mode 1. Select "2P" earth measurement mode by means of the F1 k

SIRIUS 87 EN - 52 When the environmental conditions preclude the “3P” measurement mode, as for example in the city center, In TT plants is possib

SIRIUS 87 EN - 53 4.6.1.1. Earth resistance measurement from a socket On TT installations it’s possible to take an earth measurement with a simpl

SIRIUS 87 EN - 54 4.6.2. Measurement procedure for "3P" test mode The measurement is taken according to what prescribed for VDE 0413,

SIRIUS 87 EN - 55 Note: If START/STOP key was kept pressed, the instrument takes more consecutive tests. 5. When a new value is acquired the in

SIRIUS 87 EN - 56 4.6.3. Measurement procedure for "" test mode The earth resistivity is a very useful parameter, its value could hel

SIRIUS 87 EN - 57  At the end of the test the instrument displays the values alongside.  36.5 m 2 0.93  CAUTION The d

SIRIUS 87 EN - 4 1.2. DURING USE Carefully read the following recommendations and instructions: CAUTION No compliance with the CAUTIONs and/

SIRIUS 87 EN - 58 4.6.4. Anomalous cases which may occur during EARTH  tests  If the voltmetric circuit (red and green cables) is interrupted,

SIRIUS 87 EN - 59  If the instrument measures an interfering voltage higher than 30V on the amperometric circuit, it doesn’t perform the test an

SIRIUS 87 EN - 60 5. OPERATION WITH MEMORY 5.1. SAVING RESULTS If the results relative to the tests effected are to be stored you can proceed as

SIRIUS 87 EN - 61 5.2. RECALL RESULT AT DISPLAY If you want to recall the stored test results proceed as follows: 1. Press the RCL/ESC key.

SIRIUS 87 EN - 62 5.3. CLEAR MEMORY If you want to cancel the stored tests results proceed as follows: 1. Press the RCL/ESC key. The instrument

SIRIUS 87 EN - 63 6. RESET OF THE INSTRUMENT BEFORE OF A RESET PROCEDURE DOWNLOAD THE STORED TESTS ON A PC 6.1. RESET PROCEDURE 1. Press at

SIRIUS 87 EN - 64 7. INSTRUMENT CONNECTION TO A PC The connection between PC and instrument is realized through the serial port and optical se

SIRIUS 87 EN - 65 8. MAINTENANCE 8.1. GENERAL 1. The tester you have purchased is a precision instrument. Strictly follow the instructions for u

SIRIUS 87 EN - 66 9. TECHNICAL SPECIFICATIONS 9.1. TECHNICAL FEATURES Accuracy is indicated as [% reading + (number of digits) * resolution]. It

SIRIUS 87 EN - 67 - Tripping time (tN) Measuring range (ms) Resolution (ms) Accuracy ½ IN, IN 1999 2 IN 1200 general 1250 selecti

SIRIUS 87 EN - 5 2. GENERAL DESCRIPTION Dear Customer, we thank you for your patronage. The instrument you have just purchased will grant you acc

SIRIUS 87 EN - 68 - Global earth resistance (Ra15mA) Measuring range () Resolution () Accuracy 1  1999 1 (5% rdg + 3 dgt) Test current 15mA

SIRIUS 87 EN - 69 9.2. ENVIRONMENT 9.2.1. Environmental working conditions Reference temperature: 23° ± 5°C (73°F ± 41°F) Working temperature:

SIRIUS 87 EN - 70 10. SERVICE 10.1. WARRANTY CONDITIONS This instrument is guaranteed against any defect in material and manufacturing in complia

SIRIUS 87 EN - 71 11. APPENDIX 11.1. LOW: CONTINUITY MEASUREMENT ON PROTECTIVE CONDUCTORS Purpose of the test is to check the continuity of: a)

SIRIUS 87 EN - 72 ALLOWABLE VALUES The guidelines do not give any indication on the maximum resistance values which cannot be overcome, in order

SIRIUS 87 EN - 73 EXAMPLE OF INSULATION MEASUREMENT ON AN INSTALLATION OPENOPENOPENOPEN OPENSWITCH ASWITCH B SWITCH CSWITCH DSWITCH E Insulatio

SIRIUS 87 EN - 74 Switch situation Point under test Measurement result Judgment on the installation 1 Turn the switch A, l D and E of

SIRIUS 87 EN - 75 11.3. CHECK OF CIRCUIT SEPARATION PURPOSE OF THE TEST Purpose of the test is to be effected in case the protection is realized

SIRIUS 87 EN - 76 EXAMPLE OF CHECKING THE SEPARATION AMONG ELECTRICAL CIRCUITS ...and among those others circuits…and Earth installationBetwe

SIRIUS 87 EN - 77 11.4. WORKING TEST OF RCDS (RCD, RCD/DC, RCD S, RCD/DC S) Purpose of the test is to check if general and selective RCDs have b

SIRIUS 87 EN - 6 2.2. INSTRUMENT DESCRIPTION 123 DISP RCL ESC SAVE CLR START STOP FUNC Un/In DIST S  UL  CAPTION: 1. Display 2.

SIRIUS 87 EN - 78 Among the test results of the RCD tripping time also the earth resistance value Ra is displayed in , this value for the TN and

SIRIUS 87 EN - 79 11.6. MEASUREMENT OF SHORT CIRCUIT FAULT IMPEDANCE (ZPN, ZPP) Purpose of the test is to check that the tripping power of the RC

SIRIUS 87 EN - 80 11.8. EARTH RESISTANCE MEASUREMENT IN TT SYSTEMS Purpose of the test is to check that the RCD is coordinated with the earth res

SIRIUS 87 EN - 81 11.9. EARTH RESISTANCE MEASUREMENT, VOLTAMPEROMETRIC METHOD Method for small earth plant Let a current circulate between the e

SIRIUS 87 EN - 82 11.10. EARTH RESISTIVITY MEASUREMENT Purpose of the test is to measure the resistivity value of the ground in order to define

SIRIUS 87 EN - 83 Curve 1: as  decreases only in depth, it’s possible to use only a rod in depth. Curve 2: as  decreases only until the dept

NOTE ________________________________________________________________________ ____________________________________________________________________

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

SIRIUS 87 EN - 7 3. PREPARATION FOR USE 3.1. INITIAL CHECKS This instrument has been checked mechanically and electrically prior to shipment. An