Advertisement
Advertisement
Table of Contents
Related Manuals for Chauvin Arnoux C.A 6470N TERCA 3
Summary of Contents for Chauvin Arnoux C.A 6470N TERCA 3
- Page 1 C.A 6470N Earth and resistivity tester Overview E N G L I S H...
-
Page 2: Rules For Use
INtrODuCtION This is an overview of the complete C.A 6470N user manual which enables the user to easily find: The rules for using the instrument, The operation of keys and measurement setting configuration, The general configuration of the instrument, ... -
Page 3: Instrument Functions
1. CHArACtErIStICS LAbEL Stick one of the 5 characteristics labels supplied, in the appropriate language, inside the instrument lid. 2. INStrumENt fuNCtIONS The instrument is designed and made for the verification and measurement of the various electrical parameters of earthing installations. As an instrument powered by 8 x 1.2 V rechargeable internal batteries, with a maximum voltage output of 16 V or 32 V, as required, the tester is not dangerous for the user. -
Page 4: Precautions For Use
3 - PrECAutIONS fOr uSE This measuring instrument should be used by personnel trained in the functions of the instrument, as well as in the safety rules and standards applicable to its use. This rule also applies to the use of accessories made by other manufacturers. -
Page 5: Operating Principle
Never dismantle the battery and its cells. Never incinerate or expose to heat sources. Never clean with water or corrosive agents. Never use the battery if it shows signs of leakage or mechanical deterioration. Collect used batteries for recycling within the framework of protection of the environment. ... - Page 6 Activation /deactivation of the secondary key function. The symbol 2nd is displayed on the screen. Setting measurement parameters before measuring: AUTO – 2 wire/4 wire measurement mΩ MANU – 2 wire/4 wire measurement – measurement current flow direction AUTO – U 3 poles MANU –...
- Page 7 OPErAtING mODES The instrument has 3 measurement modes: AutO mode: Measurement is activated by pressing the START/STOP key and measurement frequency selection is automatic. Measurement stops as soon as the results are available on the display. mANuAL mode: Measurement is activated by the START/STOP key and stopped by pressing the START/STOP key again.
- Page 8 INDICAtOrS Of LImItS Of uSE After the measurement has started there are indicators of when: The values R and/or R are too high The measurement current I is too low Measurement instability is high Those conditions that may give uncertain results are indicated on the display of the unit as follows: functions triggering threshold Indication on the display...
-
Page 9: List Of Coded Errors
LISt Of CODED ErrOrS On initial operation, the C.A 6470N automatically runs a self-diagnosis. If a fault appears during self- diagnosis or measurement, the instrument displays a message in the format Err XX. These errors are classified into 3 categories: Not serious Errors 6, 7 and 11 ... - Page 10 GLOSSAry This glossary lists the terms and abbreviations used on the device and its digital display unit. 3 poles: earth resistance measurement with 2 auxiliary electrodes (3P). 4 poles: 4-wire measurement of low earth resistance using 2 auxiliary electrodes (4P). coupling coefficient of earth R with earth R coupling coefficient of earth R...
- Page 11 voltage measured between terminals S and E. voltage measured between terminals S and ES. S-ES uSr: frequency chosen by the user (“user” shortened). ρ soil resistivity measured by the Schlumberger method. ρ soil resistivity measured by the Wenner method. (1): The suffix Act becomes In (for “Input”) when this value is recorded in the device, then read, in order to distinguish between present value and recorded value.
- Page 12 Tel: +86 21 65 21 51 96 - Fax: +86 21 65 21 61 07 SCANDINAVIA - CA mätsystem Ab uSA - Chauvin Arnoux Inc - d.b.a AEmC Instruments Box 4501 - SE 18304 TÄBY 200 Foxborough Blvd. - Foxborough - MA 02035...