I.what will you notice before testing

The output of the withstanding voltage tester can output 20kV, the highest voltage. Any false operation will result in the misadventure even death. So please read this chapter carefully with the view of safety.

1.An electric shock

In order to avoiding the electric shock, please wear the rubber-insulated gloves before using the tester.

2.The tester is in the testing state

When the tester is running in the testing state, the P-wire, the tested device, the test probe and the output port all carry the high voltage. Please don‟t touch!

3.Changing the tested device

After finishing testing, when you change another tested device, please check to be sure:

①The tester is in the reset state.

②The test light is not flicking.

③ The figure of the voltage in the liquid-crystal display is not changing.

Especially notice: Don’t touch the high voltage probe when changing the tested device.

4.Switch on or off the power switch

Once the power is cut off, please wait for a minute if you want to start it once more.

Caution: It is very dangerous in the high voltage output state to change the power state, “on” or “off”, continuously. It also do harm to the tester.

Don’t join the output port of the high voltage with any things when switching on or off the power for it maybe cause the abnormal high voltage output which is very hazard.

5.Emergency treatment

In order to avoiding the more loss, please do according to the following way under any emergent conditions such as an electric shock, the burning of the tested device or the host:

①First cut off the power.

②Then unplug the plug of the power.

6.Trouble occurring

The following situations are very dangerous. Be careful please! Because it may still output the high voltage even you press the “RESET”.

①The test light is still going on when presses the “RESET” down.

②The voltmeter shows no readout while the test light is still going on.

When one of the situations occurs, please cut off the power and unplug its plug, and don‟t use it any more. The trouble is very dangerous. Please bring it to our company or the business-acted place to repair.

7.Trouble of the test light

The voltmeter shows the readout while the test light doesn‟t light after the “TEST” is pressed. This state may be the trouble of the test light. Please make the tester off and bring it to our company or the business-acted place to repair.

II.Brief Introduction

The withstand voltage tester is an instrument applied to measure the density of withstanding voltage. It can visually, accurately, quickly and reliably tests the breakdown voltage, leakage current and other electrical security performance indices of various measured objects, and can act as DC (AC) high voltage power supply to test the performance of components and the complete instrument. The CS267X series withstand voltage tester is designed according to the requirement of international  and domestic security standards such as IEC, BS, UL, JIS and etc. Its withstanding voltage is range from 3kV to 20kV, and leakage current is 0 to 200 mA, which the special requirement is determined in addition. This instrument is suitable for all kinds of white goods, power supply, cables, transformers, connecting terminals, high-voltage Bakelite electrical appliances, switches, outlets and plugs, motors, dishwashers, washing machines, centrifugal driers, microwave ovens, electromagnetic machines, electronic ovens, electric firepot, electric rice cookers, TV sets, electric fanners, medical services, chemical engineering, electronic instruments,

meters, complete machines and etc, and applied to provide the security withstand voltage protection for a strong electricity system and to test the leakage current. It is also an indispensable withstand voltage experiment device for scientific research laboratories and technical supervision departments.

The CS267X series products of withstand voltage testers, based on introducing and digesting the advanced withstand voltage testers worldwide, combine with a large number of practical usage cases from Chinese users to enhance and improve.

CS2670A, CS2670A-1, CS2670AX, CS2670Y, CS2671AX, CS2671BX, CS2671TX, CS2672BX, CS2672CX, CS2672DX, CS2673X,

CS2674AX type, etc withstand voltage testers are full digital model withstand voltage tester series products latterly developed by our factory. Both the testing voltage and the leakage current dwell time are displayed in digital, which the technique is the first applied in China. Based on the original products, its performance is further improved. The leakage current can be continuously and optionally set from 0.1 mA to 100 mA according to the different security standards and the different requirements of users. For the time testing, the disadvantage, which the indication difference of the original product is a few greater, is improved, with the digital count-down-display, the precision of dwell time is increased to above ±1%, and the testing range is improved to 99 s. Its

function  is  richer  and  more  practical,  and  the  actual  leakage  current

values of the measured object can be reflected through the leakage  current display to achieve which products its withstand voltage grade is better compared with the different lots of the similar products or different manufacturers‟ products, which the security performance of your products can be guaranteed to have no fault. At the same time, the digital displayed leakage current can be used to simultaneously display its function, and extended to measure the reverse voltage and reverse  leakage current of the high voltage silicon rectifier stack, the reserve voltage and reserve leakage current of the high withstand voltage tube of a dynatron. It is a domestic leading withstand voltage tester compared from technique performance to quality, reliability.

III.Working theory

Withstand Voltage tester is made up of high voltage rise circuit, leakage current detecting circuit and indicating meter. High voltage rise circuit can calibrate and output the required test voltage; Leakage current is capable of setting breakdown(protection) current; Indicating meter can directly read out the test voltage value and leakage current value( or set breakdown current value). DUT reaches the regulated time under the effect of test voltage, and instrument cuts off test voltage automatically or manually, once breakdown appears and leakage current goes beyond the set breakdown current, instrument can automatically cut off the output voltage and alert to confirm whether DUT can bear the insulation intensity test.

Standards:

IEC60065: Safety for audio, video and similar electronic apparatus IEC60204-1: Safety of machinery

IEC60335-1: Safety of household and similar electrical appliances IEC60598-1: Safety of lighting equipment

IEC60601-1: Safety of medical electrical equipment IEC60950: Safety of information technology equipment

IEC61010-1: Safety for electrical equipment for measurement, control and laboratory use

IEC61131-2: Safety for automatons

IV.Technical parameter

1.Model List

2.Technical parameters

①CS2670A/CS2670A-1/CS2670AX

②CS2671AX/CS2671BX/CS2671TX

③CS2672BX/CS2672CX/CS2672DX

④CS2673X/CS2674AX