Shande Electric's insulated, rainproof telescopic electroscope detects whether there is power frequency voltage on high-voltage AC lines and equipment.
.Sound and light alarm, dual display to ensure work safety.
1) Before use, use an electroscope and a telescopic insulating rod with an appropriate voltage level according to the rated voltage of the equipment to be tested
(2) Before performing an electrical test, perform a self-test on the electroscope and press the self-test button The electricity test indicator emits an intermittent oscillating sound and light signal, which proves that the performance of the electroscope is intact, and the electricity test can be carried out. At this time, the telescopic insulating rod can be pulled open to perform the electricity test operation. Do not cross the specified safety ring with your hands, otherwise the electroscope may touch When the live body on the head and level touches, it will emit intermittent sound and light signals, indicating that there is electricity. If it does not send out intermittent sound and light signals, it means that there is no electricity. (3) Replace the battery and unscrew the upper cover of the electroscope. Replace the battery. The circuit of this machine works on an electronic automatic switch. It is continuously on standby for a long time. It will turn on when there is a signal input and automatically turn off when there is no signal. It consumes little power and does not need to replace the battery frequently. Therefore, four AA silver oxide batteries are used. Voltage and self-test Consider replacing the battery when it cannot emit audible and light signals
(4) The electroscope should comply with the electrical safety work regulations when operating electrical equipment on electrical equipment. To ensure the safety of personal equipment, do this regularly in accordance with the electrical industry safety regulations. Preventive test
) Before use, the insulating rod should be stretched to the specified length according to the voltage level of the equipment (line) being tested, an appropriate type of indicator and insulating rod should be selected, and the indicator should be inspected and put into operation. The high-voltage electroscope used must be qualified in electrical tests.
For rotary high-voltage electroscopes, before use, the tested indicator should be screwed onto the insulating rod and fixed, and its surface should be wiped clean with silk cloth, and then rotated to the required angle for easy observation during use.
For capacitive high-voltage electroscopes, the insulating rod is marked with a red line. The part above the red line indicates that it contains a capacitive element and is a live part. This part must be connected to the adjacent conductor or grounded in accordance with the requirements of the "Safe Work Regulations for the Electrical Industry" Keep a necessary safe distance from your body.
This electroscope is an essential safety tool for power systems and electrical operations in industrial and mining enterprises. It is used to detect whether the following lines or equipment have operating power frequency voltage to ensure the personal safety of workers during power outages for maintenance. During the power test, a dual alarm signal of sound and light will be emitted to remind the staff that the line or equipment under inspection is live. The electroscope has a lightweight structure, is easy to carry, and has reliable insulation performance. It has passed the type test at the Electric Power Industry Electric Safety Equipment Testing Center, and its main technical indicators comply with the power industry standards and international technical standards. The product has passed provincial appraisal and been reviewed by the electric power industry, and has been approved for promotion and use nationwide
In order to ensure the safety of people and equipment, according to the [Electrical Industry Safety Work Regulations], a preventive test should be conducted for each loading and unloading of electrical appliances. Before preventive testing, a visual inspection should be carried out. When it is found that the shell of the electrical test indicator is defective or the insulating rod has cracks and other obvious defects, it is not appropriate to conduct preventive tests and should be sent for replacement in time.
Replace the battery of the high-voltage electroscope:
The electroscope (indicator R button battery section), when the self-test shape is pressed, if the intensity of the indicator indication becomes weak (including abnormality), the battery should be replaced in time. After opening the battery cover, you should first determine the positive and negative polarity before replacing it.
Note: Poor battery quality or leakage from people leaving it unused for a long time will damage the indicator!
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