Ht-instruments HT7051 Manual de usuario

 Copyright HT ITALIA 2012 Release EN 2.02 - 04/05/2012 ENGLISH User manual

HT2055 EN - 95 INITIAL OPERATIONS WITH HT2055M UNIT Press the or function keys to display the below screens relative to the Step Voltage, Cont

HT2055 EN - 105.1.3 Synchronization Selecting this option will allow to upload different data from the station unit to the meter unit. The possible

HT2055 EN - 115.1.4 Default settings This section permits to restore the default value (factory) of measurement parameters and limits set on the in

HT2055 EN - 126 INITIAL OPERATIONS WITH HT2055S UNIT Press the or function keys to display the below screens relative to the earth/resistivity

HT2055 EN - 136.1.2 Setting output power This section permits to set the output power of current generator by selecting the percentages: 10%, 25%,

HT2055 EN - 146.2 ADJUST CONTRAST OF DISPLAY 1. Press the key. The following screen is shown: 2. Use the  or  keys to reduce or increase th

HT2055 EN - 157 HOW TO PERFORM THE MEASUREMENTS 7.1 THEORY OF STEP/CONTACT VOLTAGE MEASUREMENTS An earth electrode / grid depleted into ground has

HT2055 EN - 167.2 STEP/CONTACT VOLTAGE MEASUREMENT The measurements of step/contact voltage are performed by a voltmeter with an internal resistan

HT2055 EN - 17 Fig. 17: Circuit scheme for step voltage measurement Fig. 18: Circuit scheme for contact voltage measurement Generation of test

HT2055 EN - 185 Press TEST key to activate the operation. The value of generated current is displayed. Check this value. CAUTION  The output p

HT2055 EN - 1Table of Contents: 1 PRECAUTIONS AND SAFETY MEASURES ... 2

HT2055 EN - 19 Perform step/contact voltage measurements 8 Use or keys and select the CONTACT VOLT or STEP VOLT measurements on the meter unit

HT2055 EN - 20 Synchronization between the units after the test (recommended) If the meter and station units were synchronized during the measure

HT2055 EN - 21 7.3 EARTH RESISTANCE MEASUREMENT The earth resistance measurement is performed by the HT2055S station unit only by using the standa

HT2055 EN - 22 5 Use or keys and select the EARTH RE measurement on the station unit. The following screen is displayed: Fig. 25: Main scree

HT2055 EN - 237.4 GROUND RESISTIVITY MEASUREMENT For the ground resistivity measurement the test current is injected through two current probes (

HT2055 EN - 24 CAUTION  When starting test the unit performs a preliminary check of the resistance values of current probe (Rc) and voltage prob

HT2055 EN - 258 OPERATION WITH MEMORY The measurement results, including associated parameters, can be saved inside the internal memories of stati

HT2055 EN - 26Measurement structure No.: 1 Number of measurements associated to the selected location No.: 1 [13] Number of measurements in the

HT2055 EN - 278.3 DELETE SAVED RESULTS The following operations are available:  Deletion of all memory  Deletion of data in single selected l

HT2055 EN - 289 CONNECTION OF THE INSTRUMENT TO PC The saved data can be transferred to PC by using the TeraView software provided with instrument

HT2055 EN - 21 PRECAUTIONS AND SAFETY MEASURES The instrument has been designed in compliance with standards IEC/EN61557-1 and IEC/EN61010-1 regard

HT2055 EN - 298. Select the “Config  COM Port…” command and click on the “AutoFind” button to start the automatic detection of the instrument (see

HT2055 EN - 3010 MAINTENANCE CAUTION  During use and storage, carefully observe the recommendations listed in this manual in order to prevent p

HT2055 EN - 3111 TECHNICAL SPECIFICATIONS The accuracy is calculated as [% rdg + (number of dgt) * resolution] at reference condition indicated in

HT2055 EN - 3211.1 GENERAL CHARACTERISTICS Station unit HT2055S Power supply: 110V (±10%) or 230V AC (±10%), 50/60Hz Max. power consumption: 750

HT2055 EN - 3311.2 ENVIRONMENT Reference temperature: 10°C ÷ 30°C ; 50°F ÷ 86°F Reference humidity: 35% ÷ 65%RH Operating temperature: 0°C ÷ 40°

HT2055 EN - 3412 SERVICE 12.1 WARRANTY CONDITIONS This instrument is warranted against any material or manufacturing defect, in compliance with the

HT2055 EN - 31.2 DURING USE Carefully read the following recommendations and instructions: CAUTION Failure to observe the warnings and/or instru

HT2055 EN - 42 GENERAL DESCRIPTION The instrument HT2055 you purchased grants accurate and reliable measurements as well as the utmost safety provi

HT2055 EN - 53 PREPARATION FOR USE 3.1 INITIAL INSPECTIONS Before shipment, the instrument’s electronics and mechanics were inspected. All possibl

HT2055 EN - 64 DESCRIPTION OF PARTS 4.1 HT2055S STATION UNIT DESCRIPTION Fig. 1: HT2055S unit description CAPTION: 1 Protection fuse on mains

HT2055 EN - 74.2 DESCRIPTION OF TEST LEADS 4.2.1 Front view Fig. 2: HT2055M unit front view description CAPTION: 1 ESC key to return at previo

HT2055 EN - 84.2.3 Backside view Fig. 4: HT2055M unit backside view description CAPTION: 1 Battery compartment cover 2 Safety information lab