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Copyright HT ITALIA 2019

Release EN 3.06 - 10/05/2019

ENGLISH

User manual

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Содержание HP002000

Страница 1: ... Copyright HT ITALIA 2019 Release EN 3 06 10 05 2019 ENGLISH User manual ...

Страница 2: ... single rod 12 5 2 4 HOLD 15 5 2 5 MEM 15 5 2 6 Anomalous situations 15 5 3 Current measurement T2000 16 5 3 1 HOLD 16 5 3 2 Anomalous situations 16 5 4 Leakage current measurement T2000 17 5 4 1 HOLD 17 5 4 2 Anomalous situations 17 5 5 Managing the memory 18 5 5 1 Storage of data in the memory 18 5 5 2 Recalling the results on the display 18 5 5 3 Deleting the internal memory 19 5 6 Setting of a...

Страница 3: ...mponents and create dangerous situations for the operator This symbol indicates that the clamp can operate on live conductors Double insulated meter Connection to earth 1 1 PRELIMINARY INSTRUCTIONS This instrument has been designed for use in environments of pollution degree 2 The instrument can be used for Resistance measurements T2000 and T2100 and AC current measurements T2000 on installations ...

Страница 4: ...ON OF MEASUREMENT OVERVOLTAGE CATEGORY Standard IEC EN61010 1 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements defines what measurement category commonly called overvoltage category is 6 7 4 Measured circuits reads Circuits are divided into the following measurement categories Measurement category IV is for measurements performed a...

Страница 5: ...the TRMS value of the quantity being tested With a perfectly sinusoidal wave the two families of instruments provide identical results With distorted waves instead the readings shall differ Average value meters provide the RMS value of the sole fundamental wave TRSM meters instead provide the RMS value of the whole wave including harmonics within the instrument s bandwidth Therefore by measuring t...

Страница 6: ...nd checking that the packaging contains all components indicated in 7 4 In case of discrepancy please contact the dealer In case the instrument should be returned please follow the instructions given in 7 3 2 INSTRUMENT POWER SUPPLY The instrument is supplied by alkaline batteries see 7 2 2 When batteries are flat the flat battery symbol appears on the display Replace insert the batteries by follo...

Страница 7: ... backlight A RS232 Switches to current measuring mode T2000 Switches to RS232 mode T2100 Increases the alarm threshold value for resistance measurements and is used in memory recall mode Switches to resistance measuring mode Decreases the alarm threshold value for resistance measurements and is used in memory recall mode ON OFF Switches the instrument on off bypressing and holding 2s AL Enables di...

Страница 8: ...clamp may be damaged In this case it is necessary to stop measuring This message is displayed when during the initial instrument s calibration process the clamp is opened After the clamp is closed the calibration process starts once again automatically from the beginning This message appears on the display if at the end of the 9 initial steps the instrument indicates the initial calibration proces...

Страница 9: ...es properly 2 Press the ON OFF key to switch on the instrument In a sequence the instrument displays The screen with all existing symbols see Fig 3 left side The screen with the loaded firmware version see Fig 3 central part Carries out the calibration process showing a countdown which starts from CAL 9 and comes down to CAL 0 see Fig 3 right side Fig 3 Sequence of screens upon switching on the in...

Страница 10: ...arried out by the instrument is based is the resistive loop resistance measurement as shown in Fig 6 Fig 6 Measurement of loop resistance The inner part of the instrument is made of 2 jaws one for current and one for voltage The voltage jaws generate a potential E on the loop during resistance R measurement A current I is consequently generated on the loop and is measured by the current jaws Based...

Страница 11: ...rements 3 Open the jaws gently the display will show the screen in Fig 7 and clamp one test loop provided as accessory see Fig 8 Fig 7 Fig 8 Resistance measurement of test loop 4 Check that the test resistance value is equal to 5 0 for test loop of 5 A value measured by the instrument showing a difference of 0 3 with respect to the rated value is acceptable a display of 4 7 or 5 3 ...

Страница 12: ...provides the sum R R1 R0 as measured value 1 in which R1 resistance of the object being tested R0 R2 R3 R4 resistance equal to parallel among resistances R2 R3 R4 CAUTION The relationship 1 is to be considered valid only provided that it is possible to neglect the effect of mutual influence among the rods connected in parallel i e with rods placed at a sufficient distance D between each other wher...

Страница 13: ...stance an auxiliary rod is to be associated having RB resistance and optimal features in terms of earthing e g metal pipe reinforced concrete building etc These rods must be connected by a conductor with an appropriate cross section in order to make RL negligible Fig 10 Assessment of rod resistance based on two point method Under these conditions the resistance measured by the instrument is R RA R...

Страница 14: ...uilding etc whose value can be compared to the value of RA As a first measurement see Fig 11 connect the RA rod to the RB rod and use the instrument to measure the value of resistance R1 Fig 11 Three point method first test R1 As a second measurement see Fig 12 connect the RB rod to the RC rod and use the instrument to measure the value of resistance R2 Fig 12 Three point method second test R2 As ...

Страница 15: ...onships 3 4 and 5 are to be considered valid only provided that it is possible to neglect the effect of mutual influence among the rods connected in series i e with rods placed at a sufficient distance between each other equal to at least 5 times the length of a single rod or 5 times the maximum system diagonal so that they do not influence each other The result of the relationships 3 4 and 5 is R...

Страница 16: ...n the internal memory see 5 5 1 Fig 15 5 2 6 Anomalous situations While measuring the indication OL means that the resistance measured exceeds the maximum value which can be measured by the instrument see Fig 16 Fig 16 The symbol indicates sound function is turned on and the symbol indicates resistance alarm is turned on if the resistance value is higher than the set resistance threshold the alarm...

Страница 17: ...ent measuring mode The screen in Fig 20 is displayed 3 Open the jaws gently and clamp the cable to be measured see Fig 19 then read the displayed result Fig 20 5 3 1 HOLD Shortly pressing the HOLD key activates the HOLD function and freezes the result on the display see Fig 21 To go back to the normal measuring mode press the HOLD key again or press the A or key toquit HOLD and enter resistance or...

Страница 18: ...een in Fig 24 is displayed Fig 24 3 Open the jaws gently and clamp the conductors corresponding to Phase and Neutral of the single phase system or the ground conductor then read the displayed result 5 4 1 HOLD Shortly pressing the HOLD key activates the HOLD function and freezes the result on the display see Fig 25 To go back to the normal measuring mode press the HOLD key again or press the A or ...

Страница 19: ...display 1 Press the ON OFF key to switch on the instrument 2 Press and hold the MEM key 2s to enter the memory recall mode The MR symbol is shown see Fig 29 Fig 29 Recalling result to the display In case there are no data saved in the internal memory the instrument shows the screen in Fig 30 Fig 30 3 Shortly press the A key T2000 RS232 key T2100 or key to respectively increase or decrease the numb...

Страница 20: ...32 5 6 SETTING OF ALARM THRESHOLDS IN RESISTANCE MEASUREMENT 1 Press the ON OFF key to switch on the instrument 2 Press and hold 2s the AL key in order to enter the alarm threshold setting section The screen below is shown Fig 33 Setting of alarm thresholds in resistance measurement 3 Shortly press the A key T2000 RS232 key T2100 or key to respectively increase or decrease the limit value of the a...

Страница 21: ...nect the clamp s serial output to other equipment as this may cause damage to the clamp itself Fig 34 Connecting T2100 to a MASTER instrument 1 Press the ON OFF key to switch on the instrument 2 Press the RS232 key in order to enable the RS232 mode The screen below is shown Fig 35 Enabling RS232 mode 3 Connect the clamp to the MASTER instrument with the cable 4 Follow the instructions contained in...

Страница 22: ...n re booting the instrument Fig 36 Disabling Auto Power OFF function 5 9 DISABLING SOUND FUNCTION 1 Press the ON OFF key 2s to switch off the instrument 2 Press both the ON OFF key and the AL key at the same time 3 The bEEP no message is shown on the display for a few seconds see Fig 37 the instrument automatically switches on in measuring mode and the symbol see Fig 2 part 1 disappears from the d...

Страница 23: ...rform this operation Before carrying out this operation make sure you have disconnected all cables from the input terminals Do not use rechargeable batteries on the instrument 1 Press the ON OFF key 2s to switch off the instrument 2 Remove the battery compartment cover by loosening the relevant screw 3 Remove all batteries and replace them with the same number of batteries of the same type see 7 2...

Страница 24: ...Accuracy is indicated as of reading value referred to the reference conditions Resistance Range Resolution Accuracy 0 010 1 999 0 001 1 5 rdg 0 01 2 00 19 99 0 01 1 5 rdg 0 1 20 0 199 9 0 1 3 rdg 2 200 499 1 5 rdg 5 500 799 10 rdg 10 800 1200 20 rdg 20 If measured resistance is 1200 the display shows OL Resistance measuring frequency 1kHz Measuring range of resistance alarm threshold setting 1 199...

Страница 25: ...y shows symbol Inner consumption 65mA Auto Power OFF after 5 minutes of idleness Display Characteristics 4 LCD decimal sign and point and backlight Memory Memory capacity 99 locations Serial communication T2100 only RS232 interface half duplex baud rate 4800 7 3 ENVIRONMENT 7 3 1 Environmental conditions for use Reference temperature 20 C 3 C 68 F 37 F Operating temperature 0 C 40 C 32 F 104 F All...

Страница 26: ...airs which may become necessary as a consequence of interventions performed by unauthorized personnel Modifications to the instrument performed without the manufacturer s explicit authorization Use not provided for in the instrument s specifications or in the instruction manual The content of this manual cannot be reproduced in any form without the manufacturer s authorization Our products are pat...

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