HVTest HTZZ-1A Manual Download Page 5 | Manualshive

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Summary of Contents for HTZZ-1A

Page 1: ...manual You can find the changes in the appendix Sorry for the inconvenience If you have further questions welcome to contact with our service department The input output terminals and the test column may bring voltage when you plug draw the test wire or power outlet they will cause electric spark PLEASE CAUTION RISK OF ELECTRICAL SHOCK Company Address T4 No 41 High tech 2 Road East Lake High tech ...

Page 2: ...ge In order to avoid possible danger this product can only be used within the prescribed scope Only qualified technician can carry out maintenance or repair work To avoid fire and personal injury Use Proper Power Cord Only use the power wire supplied by the product or meet the specification of this produce Connect and Disconnect Correctly When the test wire is connected to the live terminal please...

Page 3: ...ings Do Not Operate without Covers Do not operate this product when covers or panels removed Use Proper Fuse Only use the fuse with type and rating specified for the product Avoid Touching Bare Circuit and Charged Metal Do not touch the bare connection points and parts of energized equipment Do Not Operate with Suspicious Failures If you encounter operating failure do not continue Please contact w...

Page 4: ... Security Terms Warning indicates that death or severe personal injury may result if proper precautions are not taken Caution indicates that property damage may result if proper precautions are not taken ...

Page 5: ...5 Contents Overview 6 Application 7 Performance characteristics 7 Specifications 7 Panel Layout 9 Working Principle 9 Operation Methods 10 Problems and Solutions 12 Notes 12 Packing List 13 ...

Page 6: ... replace DC single double bridge Equipped with advanced switch power supply technology the measurement speed of the instrument is faster a hundred times than that of the bridge Using four and half bits LCD to display the measurement results and three and half bits LCD to display ambient temperature or test current value it overcomes the shortcoming of other similar products that it is difficult to...

Page 7: ...ingle instrument and double bridge 2 High accuracy The application of advanced four terminal measurement and constant current source technology to the instrument makes the inductive load charging current hold a relatively stable value Base on that and the instrument with stable anti sense capability and strong anti interference characteristics can ensure the accuracy of measurement And the use of ...

Page 8: ...200Ω 200Ω 2kΩ 2kΩ 20kΩ 3 Measurement Accuracy 0 2 2d 4 Maximum Resolution 1μΩ 5 Constant current source 1A 1μΩ 20mΩ 20 mΩ 200mΩ 0 2Ω 2Ω 100mA 2Ω 20Ω 5mA 20Ω 200Ω 500uA 200Ω 2kΩ 50uA 2kΩ 20kΩ 6 Working Voltage DC 12V 16 8V AC 220V 7 Power Dissipation 15W 8 Dimension 365 330 180mm 9 Weight 5kg included test clamp and test lead ...

Page 9: ...Power Indicator 6 Working Station Indicator Working Principle There is a constant current source in the instrument that can supply DC current When measuring resistance constant current be fed into the tested object from terminals I I then which will yield voltage in the tested object the value of that voltage retake to the instrument at terminals V V after amplification the display will show the r...

Page 10: ...ert the test clip for re test 2 AC power supply test Connect to AC 220V power supply its indicator lights charging indicator or full indicator closed the power switch power indicator lights and press the start stop button then select appropriate resistance gear switch to do the test Finished testing press start stop button discharge indicator lights if the stored electricity of tested object is li...

Page 11: ...s E0000 According to the measured value select appropriate resistance gear range press its switch then its indicator lights the four and half bits digital stably shown in LCD is the measured resistance value When reading resistance value please pay attention to the unit of selected range mΩ Ω kΩ Measuring large inductance such as power transformer you d better keep the coils not measured short cir...

Page 12: ...in time 2 During DC test if the undervoltage indicator light became bright pleaseuse AC power instead of DC power for test 3 If the instrument will not be used in long term please charge up thebattery regularly two month until the full indicator lights up generally chargetime is about 14 hours 4 Yo u should prevent the instrument damp falling and exposure ...

Page 13: ...13 Packing List 1 Instrument host 1 2 Test lead 1 3 Earth wire 1 4 Fuse 2A 3 5 AC 220V Power cord 1 6 The instruction manual 1 7 Certificate 1 ...

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