Ht-instruments HT78 Uživatelský manuál

© Copyright HT ITALIA 2010 Release EN 1.00 - 22/02/2010 ENGLISH User manual

HT78 EN - 94.3. HOW TO PERFORM THE MEASUREMENTS 4.3.1. AC Current measurement CAUTION Do not perform any AC current measurement on circuit

HT78 EN - 104.3.2. Leakage current measurement on Single phase system CAUTION Do not perform any AC current measurement on circuit with nom

HT78 EN - 114.3.3. Leakage current measurement on Three phase system CAUTION Do not perform any AC current measurement on circuit with nomi

HT78 EN - 125. MAINTENANCE 5.1. GENERAL INFORMATIONS 1. This clamp is an accured instrument. Whether in use or in storage, please do not excee

HT78 EN - 136. TECHNICAL SPECIFICATIONS 6.1. CHARACTERISTICS Accuracy is indicated as [% rdg + (number of dgt) * resolution] referred to: 23°C(

HT78 EN - 146.2. ENVIRONMENTAL CONDITIONS 6.2.1. Climatic conditions Reference temperature: 23 ± 5°C ; (73°F± 41°F) Operating temperature: 0

HT78 EN - 157. SERVICE 7.1. WARRANTY CONDITIONS This equipment is guaranteed against material faults or production defects, in accordance with

HT78 EN - 1Table of contents: 1. SAFETY PRECAUTIONS AND PROCEDURES ...2 1.1. Prelimin

HT78 EN - 21. SAFETY PRECAUTIONS AND PROCEDURES This meter complies with IEC/EN61010-1. For your own safety and in order to avoid damaging the

HT78 EN - 31.2. BEFORE USE Always keep to the instructions contained in this manual: CAUTION Non compliance with the warnings and/or the ins

HT78 EN - 42. GENERAL DESCRIPTION HT78 meter can performs the herewith features: • AC TRMS current measurement up to 3000A • AC leakage curr

HT78 EN - 53. PREPARATION FOR USE 3.1. INITIAL The meter has been checked from a mechanical and electrical point of view before shipment. Eve

HT78 EN - 64. OPERATING INSTRUCTIONS 4.1. INSTRUMENT DESCRIPTION 4.1.1. Front panel LEGEND: 1. Inductive clamp jaw 2. Holes for carrying

HT78 EN - 74.2. DESCRIPTION OF PARTS 4.2.1. Range and ON/OFF selector Rotate the function selector from “OFF” position to any other position

HT78 EN - 84.2.6. DC analogical output The meter is designed with a DC voltage analogical output depending on the measured current value and c