Ht-instruments М75 Manuel d'utilisateur

 Copyright HT ITALIA 2013 Release EN 3.00 - 03/04/2013 M72 – M73 – M 74

M72 - M73 - M74 - M75 EN - 84.6. HOLD, MAX/MIN/AVG, PEAK± The following functions are available for measurements of AC and DC voltage, AC curre

M72 - M73 - M74 - M75 EN - 94.7. V HZ: DC/AC VOLTAGE AND FREQUENCY MEASUREMENT CAUTION The maximum input voltage is 550+10%V. Don’t tr

M72 - M73 - M74 - M75 EN - 10 8. Example of display of DC voltage. The minimum reading limit of DC voltage is 1.2V. Lower input values are di

M72 - M73 - M74 - M75 EN - 114.7.1. Anomalous cases which may occur during V Hz measurements 1. The maximum input voltage is 550+10%V. I

M72 - M73 - M74 - M75 EN - 124.8. A HZ: DC/AC CURRENT AND FREQUENCY MEASUREMENT Fig. 4: Connection of the instrument’s terminals during A Hz

M72 - M73 - M74 - M75 EN - 13 8. Example of AC current displaying. The minimum limit of AC current is: 1.0mV x transduction ratio of the clam

M72 - M73 - M74 - M75 EN - 144.8.1. Anomalous cases which may occur during A Hz measurements 1. If the detected current value exceeds t

M72 - M73 - M74 - M75 EN - 154.9.  : RESISTANCE MEASUREMENT AND CONTINUITY TEST CAUTION Before taking resistance measurements make sur

M72 - M73 - M74 - M75 EN - 16 Fig. 6: Connection of the instrument’s terminals during calibration procedure 3. Press MODE/PEAK for more th

M72 - M73 - M74 - M75 EN - 174.10. : PHASE SEQUENCE AND PHASE CONFORMITY MEASUREMENT CAUTION The maximum input voltage is 550+10%V. Do

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M72 - M73 - M74 - M75 EN - 18 CAUTION For a correct functioning of mode 1W it’s necessary that the star centre of the three-phase triad

M72 - M73 - M74 - M75 EN - 19 CAUTION During measurement:  GO must be always kept pressed or its surface must be always touched (only

M72 - M73 - M74 - M75 EN - 204.10.1. Anomalous cases which may occur during tests 1. If you wait more than 10 seconds between the first measu

M72 - M73 - M74 - M75 EN - 214.11. LAN: CABLING TEST (M75) CAUTION Before taking any measurement make sure that the circuit under test i

M72 - M73 - M74 - M75 EN - 22 7. If cabling is not correct, a screen like this is displayed (NOT OK). Referring to this example, “FAULT 1/4”

M72 - M73 - M74 - M75 EN - 234.11.3. Cabling errors detected by the instrument Cabling errors Description Visualization Mapping OPEN P

M72 - M73 - M74 - M75 EN - 244.12.  0.2A: CONTINUITY TEST ON EARTH CONDUCTORS (M72, M74, M75) The measurement is performed with a test curren

M72 - M73 - M74 - M75 EN - 259. The continuity test is performed by supplying a current higher than 200mA if the resistance value is lower than

M72 - M73 - M74 - M75 EN - 26 1. By pressing MODE/PEAK select CAL 2. Any addition or replacement of cables, extensions and croco clips nul

M72 - M73 - M74 - M75 EN - 274.12.2. Anomalous cases which may occur during  0.2A tests 1. If the following condition occur: RMEASURED -

M72 - M73 - M74 - M75 EN - 1Table of contents 1. SAFETY PRECAUTIONS AND PROCEDURES ...

M72 - M73 - M74 - M75 EN - 284.13. M: INSULATION MEASURE (M72, M74, M75) The measurement is performed according to IEC/EN61557-2 and VDE 0413

M72 - M73 - M74 - M75 EN - 29 CAUTION The message “Measuring” on the display means that the instrument is measuring or discharging even

M72 - M73 - M74 - M75 EN - 304.14. RCD: TESTS ON AC TYPE RCDS (M73, M74, M75) The test is performed in compliance with EN61008, EN61009, EN609

M72 - M73 - M74 - M75 EN - 316. Keep GO pressed for at least one second to perform the leakage current measurement in phase with the positive se

M72 - M73 - M74 - M75 EN - 32 2. If during measurement a lower input voltage than 110V is detected, the instrument does not perform the te

M72 - M73 - M74 - M75 EN - 334.15. RA : MEASUREMENT OF GLOBAL EARTH RESISTANCE (M73, M74, M75) CAUTION  Disconnect all loads connecte

M72 - M73 - M74 - M75 EN - 347. Keep pressed GO for at least one second, the instrument performs the measurement CAUTION The message “

M72 - M73 - M74 - M75 EN - 354.15.1. Anomalous cases which may occur during Ra tests 1. If during measurement the RCD protecting the li

M72 - M73 - M74 - M75 EN - 36 4. If during measurement an excessive contact voltage is detected (higher than 50V) the instrument does not

M72 - M73 - M74 - M75 EN - 374.16. AUTO: AUTOMATIC CYCLE OF MEASUREMENTS (M74, M75) This function permits to test an electrical plant in a comp

M72 - M73 - M74 - M75 EN - 21. SAFETY PRECAUTIONS AND PROCEDURES This instrument complies with safety Standards IEC/EN61557-1 and IEC/EN61010-1

M72 - M73 - M74 - M75 EN - 38 7. During measurements, at the end of each test, the partial values are displayed for 5 seconds, then the instr

M72 - M73 - M74 - M75 EN - 395. MAINTENANCE 5.1. GENERAL This is a precision instrument. Strictly follow the instructions for use and storage re

M72 - M73 - M74 - M75 EN - 406. TECHNICAL SPECIFICATIONS Accuracy is indicated as [%reading + (digit number*resolution)] at: 23°C±5°C, <70%HR

M72 - M73 - M74 - M75 EN - 41M: Insulation resistance 250, 500VDC (M72, M74, M75) Range Resolution Accuracy Overload protection 0.00  19.99M

M72 - M73 - M74 - M75 EN - 426.1. REFERENCE GUIDELINES Safety: IEC/EN61010-1, IEC/EN61557-1-2-3-4-6-7 Insulation: double insulation Pollution

M72 - M73 - M74 - M75 EN - 437. SERVICE 7.1. WARRANTY CONDITIONS This instrument is guaranteed against material or manufacturing defects, in acc

YAMUM0026HT0 Via della Boaria 40 48018 – Faenza (RA) - Italy Tel: +39-0546-621002 (4 linee r.a.) Fax: +39-0546-621144 email: [email protected] Web: ww

M72 - M73 - M74 - M75 EN - 31.2. DURING USE CAUTION An improper use may damage the instrument and/or its components or injure the operat

M72 - M73 - M74 - M75 EN - 42. GENERAL DESCRIPTION Dear Customer, the instrument you have purchased, whether used according to the instructions

M72 - M73 - M74 - M75 EN - 53. PREPARATION FOR USE 3.1. PRELIMINARY CHECKS This instrument was checked both mechanically and electrically prior

M72 - M73 - M74 - M75 EN - 64. OPERATING INSTRUCTIONS 4.1. INSTRUMENT DESCRIPTION CAPTION: 1. Inputs 2. LCD Display 3. ON/OFF key 4. MODE/PEAK

M72 - M73 - M74 - M75 EN - 74.2. SWITCH ON THE INSTRUMENT When the instrument is turned on, it emits a brief sound and all display segments