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{"title":"China Factory Xzh Test Supply Digital Underground Cable Fault Sheath Prelocator","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/60\/d2\/2d29ffd2c18beb45e3c26737cfa1-200x200-1\/china_factory_xzh_test_supply_digital_underground_cable_fault_sheath_prelocator.jpg","attrs":{"Brand Name":"XZH Test","Model Number":"XHGG521A","Certification":"CE\/ISO","Place of Origin":"China"}}
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{"title":"Portable Underground Cable Fault Locator Set High Voltage 8 \/ 16 \/ 32kV 2000j","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ad\/ee\/7b07dded8db31bccf67e7d07d997-200x200-1\/portable_underground_cable_fault_locator_set_high_voltage_8_2f_16_2f_32kv_2000j.jpg","attrs":{"Certification":"CE, ISO","Payment Terms":"T\/T","Brand Name":"XZH Test","Model Number":"502+503C+507+535-4TS"}}
{"title":"Cable Thumper High Voltage Pulse Generator For Cable Fault Location","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/5b\/76\/26a5e4c5b015e4c14e1560adb532-200x200-1\/cable_thumper_high_voltage_pulse_generator_for_cable_fault_location.jpg","attrs":{"Brand Name":"XZH TEST","Model Number":"XHHV535-4T","Certification":"CE","Place of Origin":"Xi'an, Shaanxi, China"}}
{"title":"High Voltage Surge Generator Cable Fault Locating Equipment Trolley Three","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/3d\/80\/291b3d75db3592ceb9857a1af3a3-200x200-1\/high_voltage_surge_generator_cable_fault_locating_equipment_trolley_three_voltage_shielded.jpg","attrs":{"Certification":"CE, ISO","Brand Name":"XZH Test","Model Number":"XHHV535-4TS","Place of Origin":"China"}}
{"title":"HV Surge Generator 1000j 0-32kv for Portable DC Withstand Pulse Discharge","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/20\/5d\/bad8c4670258300d2950410fc36c-200x200-1\/hv_surge_generator_1000j_0_32kv_for_portable_dc_withstand_pulse_discharge.jpg","attrs":{"Certification":"CE, ISO","Brand Name":"XZH Test","Model Number":"XHHV535-2L","Place of Origin":"China"}}
{"title":"With Path Deviation Indication Function Audio Cable Tester","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/91\/de\/32c70492255db117f12194084bf2-200x200-1\/with_path_deviation_indication_function_audio_cable_tester.jpg","attrs":{"Certification":"CE, ISO","Brand Name":"XZH TEST","Model Number":"XHDD503E","Place of Origin":"Xi'an, Shaanxi, China"}}
Introduction The cable outer sheath fault tester XHHG521A is designed based on the MURRAY bridge principle and can be used to locate the breakdown points of various wires and cables and the defect points that have no breakdown but low insulation resistance values.
The equipment makes use of an electric voltage regulator along with an R - type transformer to set up a high - voltage constant current source. The voltage can be raised or lowered through button operation. The no - load voltage reaches 7,500V, and the short - circuit current is 100mA. For balance indication, a high - sensitivity amplifier and galvanometer are used. Combined with a proportional potentiometer, it forms a balanced bridge, which is positioned at a high potential. The measurement cable is a specially designed two - core high - voltage rubber cable. The four - terminal resistance measurement method helps avoid errors due to lead resistance. The entire panel is maintained at a low potential. One - touch operation allows the entry of cable length and the automatic calculation of the fault distance. The high - voltage source and bridge are integrated in a portable protective box. Therefore, the device has high voltage, is lightweight, easy to operate and safe to use.
High voltage bridges are particularly suitable for 1. The high-resistance breakdown point of the cable after laying, especially the linear high-resistance breakdown point that is difficult to burn into low resistance, such as the linear high-resistance breakdown of the cable intermediate joint. 2. Flashover type breakdown point. After breakdown, the constant current source can maintain the arc, a stable current flows through the bridge, and the bridge has sufficient sensitivity. 3. Defects that have not yet broken down but have low resistance, such as insulation defects found with a megohmmeter that have low cable resistance but do not break down under the operating voltage.
Product Features
Output voltage is adjustable;
Has high accuracy and stability;
Adopt high-sensitivity amplifier and galvanometer to indicate balance;
Zero protection;
Automatically test fault points, but retain manual testing functions;
Compared with the wave reflection method, the bridge balance method has no blind area and is used to determine the breakdown point of short cables and near the ends.
Product Parameters
No load voltage
≥7500V
Short circuit current
≥100mA (when adjusting balance, it is recommended to set it at 5~40mA);
Positioning accuracy
±(0.2%·L±1)m
Weight
25kg
Power supply
AC 220V (±10%), 50Hz±1Hz; 8.4V built-in battery.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2013
Total Annual:
1000000-5000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Xi'an Xu&Hui Electromechanical Technology Co., Ltd. /Xian XZH Electric Power Technology Co., Ltd. has found in 2013, located in Xi'an, China. which is a highly experienced team dedic...
Xi'an Xu&Hui Electromechanical Technology Co., Ltd. /Xian XZH Electric Power Technology Co., Ltd. has found in 2013, located in Xi'an, China. which is a highly experienced team dedic...
