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Huazheng Electric Manufacturing HZ-20AS, Руководство пользователя

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22

After the warranty period, maintenance and commissioning will charge the appropriate fees.

9.3

Batteries are consumable products and are not covered under warranty.

9.4

One of the following conditions is not subject to warranty:

9.4.1

The user disassembles the instrument or alters the technological structure of the instrument.

9.4.2

Serious damage to the instrument due to user custody or improper use.

9.4.3

Damages due to other causes of users.

Содержание HZ-20AS

Страница 1: ...HZ 20AS Portable Lighting Arrester Tester USER MANUAL Huazheng Electric Manufacturing Baoding Co Ltd ...

Страница 2: ...tant 1 2 Overview 2 3 Functions And Fearutres 2 4 Technical Index 3 5 Measurement And Compensation Principle 4 6 Functions Of Panel Aand Components 6 7 Operating Instructions 9 8 Test Wiring 19 9 After sales Service 21 ...

Страница 3: ...2 3 Charging indicator During charging the indicator is red and after charging it is green 2 4 When charging the charger should be inserted into the AC220V power supply and then the charging output plug will be inserted into the instrument for charging Otherwise the charger may not work properly 3 Before using the instrument must be Reliable grounded 4 Correct wiring according to different testing...

Страница 4: ...nterference signal 3 4 The floating point fast Fourier algorithm is adopted to realize high precision analysis of the fundamental wave harmonic voltage and current signal 3 5 Using the industrial grade 5 6 inch 640 480 dot matrix high brightness color LCD screen it displays clearly and provides friendly man machine interface For some important operation and parameter settings it displays the tips ...

Страница 5: ...er display low power alarm long idle reminder and backlight automatic regulation 3 14 Built in real time clock can display the current time and date and automatically record the test date and time 3 15 The test data storage is divided into native storage and U Disk storage The native storage can store 100 test data and those date can be transferred into the U disk U disk storage can save the test ...

Страница 6: ...4 3 Battery life host 8h Voltage Collector 8h 4 4 4 size of the host 246mm length 156mm width 62mm height 4 4 5 weight of the host 1 0kg excluding cables 4 4 6 size of the voltage collector 115mm length 120mm width 65mm height 4 4 7 voltage collector 0 6kg excluding cables 4 4 8 service temperature 10 50 4 4 9 relative humidity 90 No condensation 5 Measurement And Compensation Principle 5 1 Measur...

Страница 7: ...e of stray capacitance the current phase of A and C offset to B phase and the general offset angle is 2 4 or so which will make phase A φ decrease resistive current increase phase C φ increase and resistive current decrease or even become negative This phenomenon is called interphase interference The method to solve this problem is to adopt automatic compensation algorithm which is the built in au...

Страница 8: ...re three input channels when measured in single phase currents of phase A B and C are channeled from A 6 1 2 Reference signal input For cable test mode compatible communication cableis used to connect voltage collector and for induction test mode it is used to connect the sensor plate and input the electric field signal Fig 3 Host panel diagram and interface board diagram Phase C Reference ON OFF ...

Страница 9: ...tance will be greatly shortened if not installing the antenna 5 1 6 USB interface Used to connect the externalU disk Please use FAT or FAT32 format U disk to store test data In the storage process it is strictly prohibited to dial out the U disk 5 1 7 RS232 interface This interface is an external printer interface for connecting external printer It can print test results and the printed content ca...

Страница 10: ...Used for operating instruments refers to up and down used to move or modify the data refers to right used to move or confirm the operation and long press will enter the setup menu interface 6 2 4 LCD screen Industrial grade 128 64 dot matrix OLED LCD screen display the operation menu and test data 6 2 5 Send indicator The data indicator flashes once when the voltage collector sends date through wi...

Страница 11: ...removed to ensure personal safety 7 Operating Instructions Before testing the instrument host and voltage collector shell should be reliable earthed the host is grounded by the black clamp of the current test wire and correctly connect wires according to different test ways Please refer to the 7 test wiring for wiring instructions under various test modes When using the wireless test mode the volt...

Страница 12: ...paper in time Self check of the printer Press and hold the key when the device is turned off and connect the instrument to the power to print out the self check bar Feed the printing paper Pull out the revolving wrench open the cover load the paper and pull out a length of paper a little bit more than the tearing paper knife The paper must put in order and the direction of the paper is the liquid ...

Страница 13: ...e sound like di di di during the test Wired test mode which displays the status of voltage collector battery and wired connection When the power is low the battery symbol flickers Connection success shows up and down arrow mark and connection failure displays and the alarm will be issued the sound like di di di during the test Induction test mode which does not display related status of voltage co...

Страница 14: ...ate the use of the single phase voltage as the reference voltage A B and C B indicate the case where the phase B of PT is grounded using A B or C B as the reference voltage When the single phase voltage is used as the reference voltage the reference voltage is input by phase A of the voltage collector yellow wire channel Tested Tested phase It can be set as ABC A B and C ABC represents three phase...

Страница 15: ...Note The angle of compensation is always added to the phase difference between current and voltage for example the phase difference between current and voltage is 80 and the compensation angle is 1 then after compensation the final angle of current and voltage is 81 COMP Angle Compensation angle Here the user can view or set the compensation angle of phase A B and C The single phase measurement on...

Страница 16: ...a display screen and the waveform test data will be displayed on all the test data screens Here the parameter settings view screen is mainly used to view the parameters of the test settings and cannot be modified if the parameter setting is needed to modify please return to the test parameter setting screen Main test data screen is shown in Figure 9 detailed test data screen is shown in Figure 10 ...

Страница 17: ...splay those angles Fig 13 parameter setting view screen Ux The reference voltage effective value contains only the fundamental wave and the 3 5 and 7 harmonics the formula is Ux U12 U32 U52 U72 When using an induction test mode the Ex is shown to indicate the electric field induced intensity and the unit is KV m U1 fundamental voltage effective value When using induction testing mode E1 is shown t...

Страница 18: ...electric capacity of zinc oxide arrester and the formula is as follows Cx Ic1 2πfU1 Ic1 is the effective value of the fundamental wave capacitance current F is the system frequency U1 is the effective value of the fundamental wave voltage When using induction test mode U1 1000V is assumed in the instrument and the unit of electric capacity is shown as uF kV and nF kV This value is divided by the a...

Страница 19: ...tch the test record to view 7 3 6 Real time clock setting The real time clock setting screen is shown in figure 15 It is used to set the clock that comes with the instrument Press to adjust the value press to move the cursor press ENTER to save the setting and press CANCEL to give up the setting 7 4 Voltage Collector Operation Instructions Turn on the voltage collector power switch the voltage col...

Страница 20: ...the measurement is carried out no prompt voice or prompt message will be issued 7 4 2 Main Menu And Wireless Channel Settings Under the test data display screen long press key to enter the main menu screen the main menu screen contains 1 Set RF channel and 2 System setting which can be selected by pressing key and pressing key to confirm 2 System setting is used for debugging in the factory and is...

Страница 21: ...zero it indicates that the test folder is not well connected At this moment use the test clamp to rub the connecting part for several times so that the ammeter pointer would point to zero In order to ensure the safety of the test the black clamp should be connected first so that the instrument host is grounded first and then the other color test clamps are connected 8 1 3 Reference voltage samplin...

Страница 22: ...ase The wired test method needs to use the communication cable to connect the instrument host and the voltage collector and to transmit and synchronize the data through the wired mode The wiring diagram is shown in figure 18 When connecting the phase sequence of current and voltage must be connected according to the correct phase sequence The instrument host is set to wired test mode and the volta...

Страница 23: ...arrester and the position should be symmetric with the arrester of phase A and C and the sensor plate is perpendicular to the arrester of phase B The wiring diagram is shown in figure 20 Fig 20 wiring diagram of induction test mode simultaneous measurement of three phase 9 After sales Service 9 1 Product warranty forms are provided for the products of our company Please check and fill out the warr...

Страница 24: ...products and are not covered under warranty 9 4 One of the following conditions is not subject to warranty 9 4 1 The user disassembles the instrument or alters the technological structure of the instrument 9 4 2 Serious damage to the instrument due to user custody or improper use 9 4 3 Damages due to other causes of users ...

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