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JS-8S double pointer arrester discharge counter is supporting the use of the product, the discharge counter by counting gear set with double pointer count, increasing the carry bit indicating needle to ensure the accuracy of the count and improve the ability to monitor the working status of the arrester and grid safety factor. Thereby overcoming the current widespread use of single pointer discharge cycle counter counts only due to a period of 10 times and affect the accuracy of monitoring and other defects, the use of the discharge counter can be changed in a lightning-prone area or thunderstorm season arrester work for condition monitoring of passive situation.
JS-8S double pointer discharge counter, which from the floor, flanges, housings, valves, capacitors, bridge rectifier circuit, the electromagnetic counting device structure, wherein the counting means counts the electromagnetic gear is a driving gear (counter gear ), intermediate gear, single gear and driven gear (carry gear) consisting of spring tabs gear set and constitutes; while counting device contains a pointer to count and carry two pointers, which counts the pointer through the pinion shaft and active Gear coupling and with the active gear, and into the bit pointer through the driven gear sleeve and the gear wheel and with the rotation of the gear; driven gear through a single gear, the intermediate gear and the pinion gear with the rotation according to the relationship of 1:10.
JS-8S double pointer discharge counter the overall structure using innovative and unique design, compact structure, excellent sealing performance, stable and reliable; stainless steel shell, beautiful appearance and sturdy, shock resistance, good corrosion resistance, ease of transportation and installation, long life; tightness and excellent shock resistance, stable and reliable, the use of double pointer electromagnetic counters, full-scale automatically returns to zero, cycle counting work, without clear; widely used in power plants, lines, etc. arrester. JS-8S double pointer discharge counter by the signal input circuit, discharge counting circuit and protection circuit. Arrester action, by the watch pointer counter records the number of discharges, performance in line with JB2440-91, an arrester with a counter.
JS-8S double pointer discharge counter shake table test first turn to charge the capacitor charging stable, while maintaining the speed of the shake table in the case, disconnect the charging circuit, and then charged capacitor discharge ends of the discharge counter once, The Register shall be recorded once. Continuous test 10 times, once rotation pointer can be accurate and reliable operation, it is considered good performance discharge counter action. It shall be for maintenance.
JS-8S double pointer discharge counter mounting flange two φ11 when the end surface of the mounting holes scraped paint to ensure good contact. Arrester discharge counter shall be installed near the base for easy visual inspections flat position, and as a ground terminal. High pressure outlet terminating at the base of the upper flange insulation arrester discharge counter flange connected to the base of the lower part of the arrester insulation flange. After installation of the discharge counter should not be obvious tilt. Note that the M10 nut coated with red paint on the floor and six M6 × 20 bolts are not free to loose, to avoid damaging the seal. High pressure outlet side leads tension should be less than 98N.
JS-8S double pointer discharge counter pointer if not zero, the discharge may be already on the counter as the base figure, if we must to zero position, in accordance with the third paragraph of this method.
Remove from the live line JS-8S double pointer discharge counter, should be insulated with a wire to the base of the upper and lower flanges arrester short and reliable grounding, and then remove the discharge counter.
Overhaul JS-8S double pointer discharge counter, pay attention to maintaining its seal, once opened, after the repair must first dried and then sealed and sealed after passing the test subject can be put into operation.
In operation, JS-8S double pointer discharge counter parts of the original painting, painting should once every 1-2 years, in order to avoid rust.
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