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ENGLISH
User's manual
©Copyright HT ITALIA 2005
Release EN 1.00 - 03/10/2005

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Summary of Contents for HT Italia XL424

  • Page 1 ENGLISH User’s manual ©Copyright HT ITALIA 2005 Release EN 1.00 - 03/10/2005...
  • Page 2: Table Of Contents

    XL423 - XL424 INDEX 1. SAFETY PRECAUTIONS AND PROCEDURES ..................2 Preliminary instructions ............................2 During use................................3 After use................................3 Overvoltage categories - definitions........................3 2 GENERAL DESCRIPTION ........................... 4 Introduction ................................4 Functions ................................4 3 PREPARATION FOR USE ........................... 5 Preliminary checks..............................
  • Page 3: Safety Precautions And Procedures

    XL423 - XL424 1. SAFETY PRECAUTIONS AND PROCEDURES This meter has been designed in compliance with EN 61010 directive. For your own safety and to avoid damaging the instrument we suggest you follow the procedures hereby prescribed and to read carefully all the notes preceded by the symbol...
  • Page 4: During Use

    XL423 - XL424 1.2 DURING USE Carefully read the herewith recommendations and instructions: WARNING • Non compliance with warnings and/or instructions may cause damage to the tester or its components or injure the operator. • During a measurement never touch any unused terminal.
  • Page 5: General Description

    2.2 FUNCTIONS This manual is referred to two models: XL423 and XL423. XL423 can recording a single voltage in single phase or three phase plant. XL424 can recording up to 3 voltages simultaneously in single phase or three phase plant.
  • Page 6: Preparation For Use

    XL423 - XL424 3 PREPARATION FOR USE 3.1 PRELIMINARY CHECKS This instrument has been checked mechanically and electrically before shipment. All precautions have been taken to assure that the instrument reaches you in perfect condition. However, it is advisable to carry out a rapid check in order to detect any possible damage, which might have occurred in transit.
  • Page 7: Operating Instructions

    XL423 - XL424 4 OPERATING INSTRUCTIONS 4.1 INSTRUMENT DESCRIPTION LEGEND: 1. Phase Voltage Inputs 2. COM input 3. “STATUS" LED 4. "ALARM" LED 5. RS232 port 6. "START/STOP" key Fig. 1: Instrument description 4.2 KEYBOARD LED “STATUS” blinks every time the START/STOP key is pressed.
  • Page 8: Measuring Procedure

    XL423 - XL424 6 MEASURING PROCEDURE 6.1 USING THE INSTRUMENT IN A SINGLE PHASE PLANT WARNING The Instrument can be used in installation with overvoltage CAT III 600V~ between the inputs and to ground. Do not attempt to take any voltage measurements exceeding the limits indicated in this manual.
  • Page 9 XL423 - XL424 6. During a Recording: • A STATUS LED 3 seconds blinking meaning that the recording is active and the instrument is storing the data. • An ALARM LED 3 seconds blinking means that the batteries are low. During a recording any RS232 communication is possible.
  • Page 10: Using The Instrument In A Three Phase 4-Wires Plant

    XL423 - XL424 6.2 USING THE INSTRUMENT IN A THREE PHASE 4-WIRES PLANT WARNING The Instrument can be used in installation with overvoltage CAT III 600V~ between the inputs and to ground. Do not attempt to take any voltage measurements exceeding the limits indicated in this manual. Exceeding the limits could cause electrical shock or damage to the instrument.
  • Page 11 XL423 - XL424 6. During a Recording: • A STATUS LED 3 seconds blinking meaning that the recording is active and the instrument is storing the data. • An ALARM LED 3 seconds blinking means that the batteries are low. During a recording any RS232 communication is possible.
  • Page 12: Using The Instrument In A Three Phase 3-Wires Plant

    XL423 - XL424 6.3 USING THE INSTRUMENT IN A THREE PHASE 3-WIRES PLANT WARNING The Instrument can be used in installation with overvoltage CAT III 600V~ between the inputs and to ground. Do not attempt to take any voltage measurements exceeding the limits indicated in this manual. Exceeding the limits could cause electrical shock or damage to the instrument.
  • Page 13 XL423 - XL424 5. How to start a Recording: • If no recording was performed or if the recording data was already downloaded to a PC, pressing and keeping the START/STOP key for 3 seconds. The STATUS LED will be lighting for the same time, than will be stable lighting for 1 second and the meter will start the recording.
  • Page 14: Led Messages Description

    XL423 - XL424 7 LED MESSAGES DESCRIPTION For the STATUS and ALARM LEDs messages please refer to the following table: START/STOP Key Light Description Recording process correctly started. Kept pressed 3 STATUS On for 1 second The previous recorded data was...
  • Page 15: Maintenance

    XL423 - XL424 9 MAINTENANCE 9.1 GENERAL INFORMATION This instrument is a precision instrument. Whether in use or in storage, please do not exceed the specifications to avoid any possible damage or danger during use. Do not place this meter in high temperature and/or humidity or expose to direct sunlight. For long term storing, remove the batteries to avoid leakage of battery fluid that can damage the internal components.
  • Page 16: Technical Specifications

    XL423 - XL424 10 TECHNICAL SPECIFICATIONS This product conforms to the prescriptions of the European directive on low voltage 73/23/EEC (LVD) and to EMC directive 89/336/EEC, amended by 93/68/EEC. 10.1 CHARACTERISTICS Accuracy is indicated as [% of reading ]. It is referred to: 23°C ± 5°C with RH <60%.
  • Page 17: Accessories

    XL423 - XL424 10.3 ACCESSORIES Description Code Adhesive Velcro 50 x 70 cm VELCRO Set of 2 Black/Blue alligator clips (XL423 only) KITXL423C Set of 4 Black/Grey/Red/Blue alligator clips (XL424 only) KITXL424C Carrying bag BORSA2000 Management software DATALINK Serial cable...

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