https://www.hkvtest.com/ 1.0 daily 2026-09-05 https://www.hkvtest.com/sale-54980940-prt-iii-microprocessor-relay-protection-test-set-with-0-2-class-accuracy-and-120a-current-output-for.html 0.8 weekly 2026-08-31 https://img.hkvtest.com/photo/pl216671280-prt_iii_microprocessor_relay_protection_test_set_with_0_2_class_accuracy_and_120a_current_output_for_substation_testing.jpg https://img.hkvtest.com/photo/pl222435888-prt_iii_microprocessor_relay_protection_test_set_with_0_2_class_accuracy_and_120a_current_output_for_substation_testing.jpg https://img.hkvtest.com/photo/hkvtest/video/high-voltage-testing-made-easy-443245.jpg PRT-III Microprocessor Relay Protection Test Set with 0.2 Class Accuracy and 120A Current Output for Substation Testing Microprocessor Numerical Relay Protection Test Set for Substation Applications The Microprocessor Numerical Relay Protection Device is designed for transformer, feeder, and transmission line protection testing in 10kV 35kV substations. 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With up to 10A test current, 0.1 resolution, automatic current selection, automatic discharge, and a built-in rechargeable battery, it provides a fast https://style.hkvtest.com/vodcdn/videos/encoder/1202608/1a64040db4425f034c10506af8e565ae/playlist-handheld-dc-resistance-tester.m3u8 17 2026-08-18T15:39:57+08:00 0 4.4 Handheld DC Resistance Tester Portable DC Resistance Tester DC Resistance Tester with warranty https://www.hkvtest.com/sale-55369597-vlf-ac-hipot-tester.html 0.8 weekly 2026-08-29 https://img.hkvtest.com/photo/pl221540099-vlf_ac_hipot_tester.jpg https://img.hkvtest.com/photo/pl221540098-vlf_ac_hipot_tester.jpg https://img.hkvtest.com/photo/pl221540105-vlf_ac_hipot_tester.jpg https://img.hkvtest.com/photo/pl221540115-vlf_ac_hipot_tester.jpg https://img.hkvtest.com/photo/pl221540279-vlf_ac_hipot_tester.jpg https://img.hkvtest.com/photo/hkvtest/video/vlf-testing-made-portable-498186.jpg VLF AC Hipot Tester VLF Hipot Tester HZG1701 The HZG1701 VLF Hipot Tester (Very Low Frequency High Voltage Generator) is a professional AC withstand voltage test system designed for insulation testing of high-voltage electrical equipment. 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Technical Parameters Parameter https://style.hkvtest.com/vodcdn/videos/encoder/1202608/173a4adf6aa49ca55e05f2f698e4e9b6/playlist-portable-2-in-1-transformer-turns-ratio-winding-resistance-tester.m3u8 35 2026-08-12T15:18:30+08:00 4 4.2 Transformer turns ratio tester Winding resistance tester Integrated transformer testing equipment https://www.hkvtest.com/sale-55592436-vlf-cable-tan-delta-tester-with-0-1hz-vlf-ac-withstand-voltage-testing-and-tan-delta-measurement-for.html 0.8 weekly 2026-08-29 https://img.hkvtest.com/photo/pl222532610-vlf_cable_tan_delta_tester_with_0_1hz_vlf_ac_withstand_voltage_testing_and_tan_delta_measurement_for_31_8kv_rms_cable_insulation_diagnosis.jpg https://img.hkvtest.com/photo/pl222896798-vlf_cable_tan_delta_tester_with_0_1hz_vlf_ac_withstand_voltage_testing_and_tan_delta_measurement_for_31_8kv_rms_cable_insulation_diagnosis.jpg https://img.hkvtest.com/photo/pl222896776-vlf_cable_tan_delta_tester_with_0_1hz_vlf_ac_withstand_voltage_testing_and_tan_delta_measurement_for_31_8kv_rms_cable_insulation_diagnosis.jpg https://img.hkvtest.com/photo/pl222896781-vlf_cable_tan_delta_tester_with_0_1hz_vlf_ac_withstand_voltage_testing_and_tan_delta_measurement_for_31_8kv_rms_cable_insulation_diagnosis.jpg https://img.hkvtest.com/photo/pl222532447-vlf_cable_tan_delta_tester_with_0_1hz_vlf_ac_withstand_voltage_testing_and_tan_delta_measurement_for_31_8kv_rms_cable_insulation_diagnosis.jpg https://img.hkvtest.com/photo/hkvtest/video/prevent-cable-failure-fast-515308.jpg VLF Cable Tan Delta Tester with 0.1Hz VLF AC Withstand Voltage Testing and Tan Delta Measurement for 31.8kV RMS Cable Insulation Diagnosis VLF Cable Tan Delta Tester Product Introduction The VLF Cable Tan Delta Tester is a professional high-voltage diagnostic instrument designed for medium-voltage cable insulation testing . 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With up to 10A test current, 0.1 resolution, automatic current selection, automatic discharge, and a built https://style.hkvtest.com/vodcdn/videos/encoder/1202605/6c377de536d04853128eca2c9b60d5ca/playlist-handheld-dc-resistance-tester-with-0-2-accuracy-multi-range-current-output-and-auto-ranging-measurem.m3u8 9 2026-05-29T09:58:19+08:00 14 4.5 0.2% Accuracy DC Resistance Tester Multi-range Current Output Handheld DC Resistance Tester Auto-Ranging Measurement Winding Resistance Tester https://www.hkvtest.com/sale-54746847-ac-dc-withstand-voltage-test-equipment-for-high-voltage-testing.html 0.8 weekly 2026-08-26 https://img.hkvtest.com/photo/pl222970427-ac_dc_withstand_voltage_test_equipment_for_high_voltage_testing.jpg https://img.hkvtest.com/photo/pl222969686-ac_dc_withstand_voltage_test_equipment_for_high_voltage_testing.jpg https://img.hkvtest.com/photo/pl222968791-ac_dc_withstand_voltage_test_equipment_for_high_voltage_testing.jpg https://img.hkvtest.com/photo/pl213922925-ac_dc_withstand_voltage_test_equipment_for_high_voltage_testing.jpg https://img.hkvtest.com/photo/pl213922923-ac_dc_withstand_voltage_test_equipment_for_high_voltage_testing.jpg https://img.hkvtest.com/photo/pl213922924-ac_dc_withstand_voltage_test_equipment_for_high_voltage_testing.jpg https://img.hkvtest.com/photo/hkvtest/video/reliable-high-voltage-insulation-testing-507859.jpg AC/DC Withstand Voltage Test Equipment for High Voltage Testing High-Voltage AC Withstand Testing for Transformers, Switchgear & Circuit Breakers The HZD1601 Power Frequency AC Withstand Voltage Test Equipment is designed for insulation withstand and dielectric testing of power transformers, switchgear, circuit breakers, bushings, insulators and other electrical equipment. The system consists of a control unit and high-voltage test transformer. It generates power-frequency AC high voltage for withstand testing and can also be configured https://style.hkvtest.com/vodcdn/videos/encoder/1202607/389d65b6614625a3dc37da596bb96db3/playlist-ac-dc-withstand-voltage-test-equipment-for-high-voltage-testing.m3u8 35 2026-07-16T11:00:00+08:00 15 4.9 AC/DC withstand voltage tester high voltage test equipment power frequency voltage tester https://www.hkvtest.com/sale-55566394-hzg1901-high-voltage-withstand-tester-with-web-based-control-for-ac-withstand-testing-and-insulation.html 0.8 weekly 2026-08-27 https://img.hkvtest.com/photo/pl222430811-hzg1901_high_voltage_withstand_tester_with_web_based_control_for_ac_withstand_testing_and_insulation_safety_testing.jpg https://img.hkvtest.com/photo/pl222430812-hzg1901_high_voltage_withstand_tester_with_web_based_control_for_ac_withstand_testing_and_insulation_safety_testing.jpg https://img.hkvtest.com/photo/pl222430814-hzg1901_high_voltage_withstand_tester_with_web_based_control_for_ac_withstand_testing_and_insulation_safety_testing.jpg https://img.hkvtest.com/photo/pl222430813-hzg1901_high_voltage_withstand_tester_with_web_based_control_for_ac_withstand_testing_and_insulation_safety_testing.jpg https://www.hkvtest.com/sale-55546706-handheld-transformer-turns-ratio-tester-with-0-8-10000-test-range-three-phase-automatic-testing-and-.html 0.8 weekly 2026-08-26 https://img.hkvtest.com/photo/pl222883773-handheld_transformer_turns_ratio_tester_with_0_8_10000_test_range_three_phase_automatic_testing_and_built_in_lithium_battery.jpg https://img.hkvtest.com/photo/pl222883751-handheld_transformer_turns_ratio_tester_with_0_8_10000_test_range_three_phase_automatic_testing_and_built_in_lithium_battery.jpg https://img.hkvtest.com/photo/pl222883758-handheld_transformer_turns_ratio_tester_with_0_8_10000_test_range_three_phase_automatic_testing_and_built_in_lithium_battery.jpg https://img.hkvtest.com/photo/pl222347881-handheld_transformer_turns_ratio_tester_with_0_8_10000_test_range_three_phase_automatic_testing_and_built_in_lithium_battery.jpg https://img.hkvtest.com/photo/pl222347886-handheld_transformer_turns_ratio_tester_with_0_8_10000_test_range_three_phase_automatic_testing_and_built_in_lithium_battery.jpg https://img.hkvtest.com/photo/pl222347880-handheld_transformer_turns_ratio_tester_with_0_8_10000_test_range_three_phase_automatic_testing_and_built_in_lithium_battery.jpg https://img.hkvtest.com/photo/pl222347879-handheld_transformer_turns_ratio_tester_with_0_8_10000_test_range_three_phase_automatic_testing_and_built_in_lithium_battery.jpg https://img.hkvtest.com/photo/hkvtest/video/fast-accurate-transformer-ratio-testing-520977.jpg Handheld Transformer Turns Ratio Tester with 0.8 10000 Test Range, Three-phase Automatic Testing and Built-in Lithium Battery Product Introduction The Transformer Turns Ratio Tester is a professional testing instrument designed for transformer ratio measurement during commissioning, maintenance, and preventive inspection. Compared with traditional ratio bridge testing methods, this instrument provides a more convenient and efficient solution with a large color LCD display, intuitive operation interface, and automatic three-phase ratio testing capability. The tester adopts three-phase digital sine https://style.hkvtest.com/vodcdn/videos/encoder/1202608/45b24d4ec42235cdca56da0742507b64/playlist-handheld-transformer-turns-ratio-tester-with-0-8-10000-test-range-three-phase-automatic-testing-and-.m3u8 19 2026-08-12T16:36:13+08:00 4 4.1 handheld transformer turns ratio tester portable transformer ratio tester transformer turns ratio tester with warranty https://www.hkvtest.com/sale-55167892-sf6-gas-insulated-high-voltage-test-transformer-with-pure-sf6-gas-insulation-customizable-output-vol.html 0.8 weekly 2026-08-27 https://img.hkvtest.com/photo/pl219177750-sf6_gas_insulated_high_voltage_test_transformer_with_pure_sf6_gas_insulation_customizable_output_voltage_and_compact_lightweight_design.jpg https://img.hkvtest.com/photo/pl219177743-sf6_gas_insulated_high_voltage_test_transformer_with_pure_sf6_gas_insulation_customizable_output_voltage_and_compact_lightweight_design.jpg https://img.hkvtest.com/photo/pl219177747-sf6_gas_insulated_high_voltage_test_transformer_with_pure_sf6_gas_insulation_customizable_output_voltage_and_compact_lightweight_design.jpg https://img.hkvtest.com/photo/pl219177752-sf6_gas_insulated_high_voltage_test_transformer_with_pure_sf6_gas_insulation_customizable_output_voltage_and_compact_lightweight_design.jpg https://www.hkvtest.com/sale-55356450-hzd1102-cable-fault-locator-and-tester-with-35kv-capacity-30km-testing-distance-and-50cm-accuracy.html 0.8 weekly 2026-08-28 https://img.hkvtest.com/photo/pl221486892-hzd1102_cable_fault_locator_and_tester_with_35kv_capacity_30km_testing_distance_and_50cm_accuracy.jpg https://img.hkvtest.com/photo/pl221486893-hzd1102_cable_fault_locator_and_tester_with_35kv_capacity_30km_testing_distance_and_50cm_accuracy.jpg https://img.hkvtest.com/photo/pl221486894-hzd1102_cable_fault_locator_and_tester_with_35kv_capacity_30km_testing_distance_and_50cm_accuracy.jpg https://img.hkvtest.com/photo/pl221486895-hzd1102_cable_fault_locator_and_tester_with_35kv_capacity_30km_testing_distance_and_50cm_accuracy.jpg https://www.hkvtest.com/sale-55338016-wireless-high-voltage-phase-sequence-meter-220kv-with-phase-difference-accuracy-5-and-100m-transmiss.html 0.8 weekly 2026-08-26 https://img.hkvtest.com/photo/pl221394446-wireless_high_voltage_phase_sequence_meter_220kv_with_phase_difference_accuracy_5_and_100m_transmission.jpg https://img.hkvtest.com/photo/pl221394246-wireless_high_voltage_phase_sequence_meter_220kv_with_phase_difference_accuracy_5_and_100m_transmission.jpg https://img.hkvtest.com/photo/pl221394648-wireless_high_voltage_phase_sequence_meter_220kv_with_phase_difference_accuracy_5_and_100m_transmission.jpg https://img.hkvtest.com/photo/pl221394644-wireless_high_voltage_phase_sequence_meter_220kv_with_phase_difference_accuracy_5_and_100m_transmission.jpg https://img.hkvtest.com/photo/pl221394645-wireless_high_voltage_phase_sequence_meter_220kv_with_phase_difference_accuracy_5_and_100m_transmission.jpg https://img.hkvtest.com/photo/pl221394439-wireless_high_voltage_phase_sequence_meter_220kv_with_phase_difference_accuracy_5_and_100m_transmission.jpg https://img.hkvtest.com/photo/pl221394444-wireless_high_voltage_phase_sequence_meter_220kv_with_phase_difference_accuracy_5_and_100m_transmission.jpg https://img.hkvtest.com/photo/pl221394451-wireless_high_voltage_phase_sequence_meter_220kv_with_phase_difference_accuracy_5_and_100m_transmission.jpg https://img.hkvtest.com/photo/pl221394450-wireless_high_voltage_phase_sequence_meter_220kv_with_phase_difference_accuracy_5_and_100m_transmission.jpg https://img.hkvtest.com/photo/hkvtest/video/wireless-high-voltage-phase-verification-device-501955.jpg Wireless High Voltage Phase Sequence Meter 220kV with Phase Difference Accuracy 5 and 100m Transmission Product Introduction The TAG-8700 Wireless High Voltage Phase Sequence Meter is a professional electrical testing instrument designed for three-phase sequence detection, high voltage phase checking, and circuit synchronization verification . The instrument is suitable for 5V to 220kV AC transmission lines and can be used for phase checking of high-voltage power lines, switchgear live display devices, and power system commissioning applications. Using advanced digital wireless https://style.hkvtest.com/vodcdn/videos/encoder/1202607/448c91e6cfd5d584c9f87af4571351d2/playlist-wireless-high-voltage-phase-sequence-meter-220kv-with-phase-difference-accuracy-5-and-100m-transmiss.m3u8 11 2026-07-02T16:28:56+08:00 4 4.3 220kV High Voltage Phase Sequence Meter Wireless Transmission Phase Detector Phase Difference Accuracy ≤5° Wireless Phase Sequence Meter https://www.hkvtest.com/sale-54728545-wireless-high-voltage-phase-detector-with-220kv-voltage-range-100m-wireless-sight-distance-and-error.html 0.8 weekly 2026-08-26 https://img.hkvtest.com/photo/pl213806007-wireless_high_voltage_phase_detector_with_220kv_voltage_range_100m_wireless_sight_distance_and_error_5_accuracy.jpg https://img.hkvtest.com/photo/pl213806010-wireless_high_voltage_phase_detector_with_220kv_voltage_range_100m_wireless_sight_distance_and_error_5_accuracy.jpg https://img.hkvtest.com/photo/pl213805970-wireless_high_voltage_phase_detector_with_220kv_voltage_range_100m_wireless_sight_distance_and_error_5_accuracy.jpg https://img.hkvtest.com/photo/pl213806008-wireless_high_voltage_phase_detector_with_220kv_voltage_range_100m_wireless_sight_distance_and_error_5_accuracy.jpg https://img.hkvtest.com/photo/pl213806009-wireless_high_voltage_phase_detector_with_220kv_voltage_range_100m_wireless_sight_distance_and_error_5_accuracy.jpg https://img.hkvtest.com/photo/pl213806006-wireless_high_voltage_phase_detector_with_220kv_voltage_range_100m_wireless_sight_distance_and_error_5_accuracy.jpg https://img.hkvtest.com/photo/hkvtest/video/perfect-speaker-phase-testing-493765.jpg Wireless High Voltage Phase Detector with 220kV Voltage Range, 100m Wireless Sight Distance, and Error 5 Accuracy Product Description: The Unnamed Category product represents a remarkable innovation within the Unnamed Classification Group, standing out as a hallmark of quality and versatility in the Product Category Unnamed. Designed to meet the diverse needs of consumers and professionals alike, this product exemplifies the perfect blend of functionality and modern design, making it a pivotal offering in the Unnamed Product Segment. Within the Unnamed Classification Group, this product https://style.hkvtest.com/vodcdn/videos/encoder/1202606/20cc0b1915277ce7baa7540b92c59571/playlist-wireless-high-voltage-phase-detector-with-220kv-voltage-range-100m-wireless-sight-distance-and-error.m3u8 13 2026-06-16T16:58:47+08:00 7 4.3 Error ≤5° Wireless High Voltage Phase Detector 220kV Voltage Range High Voltage Phasing Tester 100m Wireless Sight Distance Non Contact Voltage Tester https://www.hkvtest.com/sale-55292981-hzb1101-transformer-ratio-tester-with-197-tap-gears-0-0001-resolution-and-10000-measurement-range-fo.html 0.8 weekly 2026-08-26 https://img.hkvtest.com/photo/pl221201249-hzb1101_transformer_ratio_tester_with_197_tap_gears_0_0001_resolution_and_10000_measurement_range_for_accurate_turns_ratio_testing.jpg https://www.hkvtest.com/sale-55276692-intelligent-pipe-cable-locator-with-path-tracing-depth-measurement-and-cable-identification-for-unde.html 0.8 weekly 2026-08-28 https://img.hkvtest.com/photo/pl222250964-intelligent_pipe_cable_locator_with_path_tracing_depth_measurement_and_cable_identification_for_underground_utility_detection.jpg https://img.hkvtest.com/photo/pl221198339-intelligent_pipe_cable_locator_with_path_tracing_depth_measurement_and_cable_identification_for_underground_utility_detection.jpg https://img.hkvtest.com/photo/pl221198329-intelligent_pipe_cable_locator_with_path_tracing_depth_measurement_and_cable_identification_for_underground_utility_detection.jpg https://img.hkvtest.com/photo/pl221198335-intelligent_pipe_cable_locator_with_path_tracing_depth_measurement_and_cable_identification_for_underground_utility_detection.jpg https://img.hkvtest.com/photo/hkvtest/video/underground-cable-locator-for-fast-cable-501895.jpg Intelligent Pipe & Cable Locator with Path Tracing, Depth Measurement, and Cable Identification for Underground Utility Detection Overview The HZD1401 Intelligent Pipe & Cable Locator is a high-performance underground cable and metallic pipe detection instrument independently developed by Wuhan Hongzhi Gaoce Electrical Technology Co., Ltd. The system consists of a transmitter and a receiver, integrating path tracing, cable identification, and fault pinpointing into one portable solution. It is widely used in power cable route surveying, non contact identification of energised cables, metal pipe (gas, https://style.hkvtest.com/vodcdn/videos/encoder/1202607/f7482f124f6e62f1a48860afcfd920e3/playlist-intelligent-pipe-cable-locator-with-path-tracing-depth-measurement-and-cable-identification-for-unde.m3u8 8 2026-07-02T15:29:00+08:00 7 4.3 Intelligent Pipe Locator with warranty Cable Locator for diagnostics Pipe and Cable Detector https://www.hkvtest.com/sale-55251606-de-energized-cable-phase-identification-tester-with-400v-pulse-voltage-for-remote-phase-identificati.html 0.8 weekly 2026-08-26 https://img.hkvtest.com/photo/pl220880173-de_energized_cable_phase_identification_tester_with_400v_pulse_voltage_for_remote_phase_identification_and_loop_resistance_monitoring.jpg https://img.hkvtest.com/photo/pl220880172-de_energized_cable_phase_identification_tester_with_400v_pulse_voltage_for_remote_phase_identification_and_loop_resistance_monitoring.jpg https://img.hkvtest.com/photo/pl220880174-de_energized_cable_phase_identification_tester_with_400v_pulse_voltage_for_remote_phase_identification_and_loop_resistance_monitoring.jpg https://img.hkvtest.com/photo/pl220880171-de_energized_cable_phase_identification_tester_with_400v_pulse_voltage_for_remote_phase_identification_and_loop_resistance_monitoring.jpg https://img.hkvtest.com/photo/hkvtest/video/fast-accurate-phase-identification-463116.jpg De-Energized Cable Phase Identification Tester with 400V Pulse Voltage for Remote Phase Identification and Loop Resistance Monitoring Product Introduction The TAG-8500 De-Energized Cable Phase Identification Tester is designed to identify and verify A, B, and C phase conductors of de-energized cables before commissioning or grid connection. The system uses a transmitter to inject different pulse signals into the three-phase conductors and a receiver to identify the corresponding phase at the remote cable end. It is suitable for new cable installation, long-distance cable lines, switchgear, and pre https://style.hkvtest.com/vodcdn/videos/encoder/1202606/5817cbfbdbd2c9ef0c082791214a6ded/playlist-de-energized-cable-phase-identification-tester-with-400v-pulse-voltage-for-remote-phase-identificati.m3u8 58 2026-06-04T11:23:14+08:00 8 4.5 De-Energized cable phase tester Phase identification tester with warranty Cable phase sequence testing tool https://www.hkvtest.com/sale-54770925-hzd1202-portable-digital-cable-identifier-with-gps-time-synchronization-for-live-and-de-energized-ca.html 0.8 weekly 2026-08-28 https://img.hkvtest.com/photo/pl216629152-hzd1202_portable_digital_cable_identifier_with_gps_time_synchronization_for_live_and_de_energized_cable_testing_and_400v_dc_output.jpg https://img.hkvtest.com/photo/pl216630545-hzd1202_portable_digital_cable_identifier_with_gps_time_synchronization_for_live_and_de_energized_cable_testing_and_400v_dc_output.jpg https://img.hkvtest.com/photo/pl216630543-hzd1202_portable_digital_cable_identifier_with_gps_time_synchronization_for_live_and_de_energized_cable_testing_and_400v_dc_output.jpg https://img.hkvtest.com/photo/pl216628076-hzd1202_portable_digital_cable_identifier_with_gps_time_synchronization_for_live_and_de_energized_cable_testing_and_400v_dc_output.jpg https://www.hkvtest.com/sale-54872893-portable-salt-deposit-density-tester-with-0-0001-9-9999-mg-cm-range-480-272-color-lcd-touchscreen-an.html 0.8 weekly 2026-08-28 https://img.hkvtest.com/photo/pl215458418-portable_salt_deposit_density_tester_with_0_0001_9_9999_mg_cm_range_480_272_color_lcd_touchscreen_and_100_000_records_storage_for_insulator_contamination_testing.jpg https://img.hkvtest.com/photo/pl215458417-portable_salt_deposit_density_tester_with_0_0001_9_9999_mg_cm_range_480_272_color_lcd_touchscreen_and_100_000_records_storage_for_insulator_contamination_testing.jpg https://img.hkvtest.com/photo/pl215458410-portable_salt_deposit_density_tester_with_0_0001_9_9999_mg_cm_range_480_272_color_lcd_touchscreen_and_100_000_records_storage_for_insulator_contamination_testing.jpg https://img.hkvtest.com/photo/pl215458411-portable_salt_deposit_density_tester_with_0_0001_9_9999_mg_cm_range_480_272_color_lcd_touchscreen_and_100_000_records_storage_for_insulator_contamination_testing.jpg https://img.hkvtest.com/photo/pl215458409-portable_salt_deposit_density_tester_with_0_0001_9_9999_mg_cm_range_480_272_color_lcd_touchscreen_and_100_000_records_storage_for_insulator_contamination_testing.jpg https://www.hkvtest.com/sale-54769681-portable-handheld-salt-deposit-density-tester-with-7-inch-touch-screen-and-bluetooth-printing-for-in.html 0.8 weekly 2026-08-26 https://img.hkvtest.com/photo/pl214237374-portable_handheld_salt_deposit_density_tester_with_7_inch_touch_screen_and_bluetooth_printing_for_insulator_pollution_detection.jpg https://img.hkvtest.com/photo/pl214237372-portable_handheld_salt_deposit_density_tester_with_7_inch_touch_screen_and_bluetooth_printing_for_insulator_pollution_detection.jpg https://img.hkvtest.com/photo/pl214237397-portable_handheld_salt_deposit_density_tester_with_7_inch_touch_screen_and_bluetooth_printing_for_insulator_pollution_detection.jpg https://img.hkvtest.com/photo/pl214237400-portable_handheld_salt_deposit_density_tester_with_7_inch_touch_screen_and_bluetooth_printing_for_insulator_pollution_detection.jpg https://www.hkvtest.com/sale-54930996-digital-insulation-resistance-tester-with-2000g-range-5000v-test-voltage-and-500-groups-data-storage.html 0.8 weekly 2026-08-28 https://img.hkvtest.com/photo/pl216118761-digital_insulation_resistance_tester_with_2000g_range_5000v_test_voltage_and_500_groups_data_storage.jpg https://img.hkvtest.com/photo/pl216118758-digital_insulation_resistance_tester_with_2000g_range_5000v_test_voltage_and_500_groups_data_storage.jpg https://img.hkvtest.com/photo/pl216118778-digital_insulation_resistance_tester_with_2000g_range_5000v_test_voltage_and_500_groups_data_storage.jpg https://img.hkvtest.com/photo/hkvtest/video/insulation-resistance-tester-on-site-testing-501899.jpg Digital Insulation Resistance Tester with 2000G Range, 5000V Test Voltage, and 500 Groups Data Storage Digital Insulation Resistance Tester Product Introduction The Digital Insulation Resistance Tester is a professional high-voltage insulation testing instrument designed for preventive maintenance and insulation diagnostics of electrical equipment. Featuring 100V 5000V selectable test voltages, up to 2000G insulation resistance measurement, 500 groups of data storage, DAR & PI analysis, USB communication, and a rechargeable lithium battery , it delivers fast, accurate, and https://style.hkvtest.com/vodcdn/videos/encoder/1202607/6caf18b520d5a57c0bbf95d1c345cf80/playlist-digital-insulation-resistance-tester-with-2000g-range-5000v-test-voltage-and-500-groups-data-storage.m3u8 9 2026-07-02T15:31:45+08:00 4 4.7 2000GΩ Insulation Resistance Tester 5000V Digital Insulation Resistance Tester 500 Groups Data Storage Insulation Tester https://www.hkvtest.com/sale-54956093-60kv-portable-dc-high-voltage-generator-with-low-ripple-for-insulation-testing.html 0.8 weekly 2026-08-27 https://img.hkvtest.com/photo/pl216395977-60kv_portable_dc_high_voltage_generator_with_low_ripple_for_insulation_testing.jpg https://img.hkvtest.com/photo/pl216396104-60kv_portable_dc_high_voltage_generator_with_low_ripple_for_insulation_testing.jpg https://img.hkvtest.com/photo/pl216396140-60kv_portable_dc_high_voltage_generator_with_low_ripple_for_insulation_testing.jpg https://www.hkvtest.com/sale-55703008-professional-on-site-testing-and-equipment-commissioning-services-with-technical-training-for-electr.html 0.8 weekly 2026-08-30 https://img.hkvtest.com/photo/pl223058372-professional_on_site_testing_and_equipment_commissioning_services_with_technical_training_for_electrical_and_power_testing.jpg https://www.hkvtest.com/video-420515-handheld-loop-resistance-tester-for-circuit-breakers.html 0.8 weekly 2026-08-29 https://img.hkvtest.com/photo/hkvtest/video/precise-resistance-testing-420515.jpg Handheld Loop Resistance Tester for Circuit Breakers Let s dive in see this solution in action and notice the key moments. In this video, we demonstrate the Handheld Loop Resistance Tester for Circuit Breakers, showing you how to measure contact resistance and loop resistance with precision. Watch as we walk through its 7-inch touchscreen interface, multiple current settings up to 100A, and practical features like data storage and Bluetooth connectivity. Learn how this portable device ensures accurate, on-site testing for switches and circuit breakers, with insights into its safety protections and battery performance. https://style.hkvtest.com/vodcdn/videos/encoder/1202602/d4095523f6e1c2e8d2ed2d603e8cd447/playlist-handheld-loop-resistance-tester-for-circuit-breakers.m3u8 24 2026-02-25T14:58:44+08:00 11 4.2 https://www.hkvtest.com/video-443245-microprocessor-numerical-relay-protection-device.html 0.8 weekly 2026-08-29 https://img.hkvtest.com/photo/hkvtest/video/high-voltage-testing-made-easy-443245.jpg Microprocessor Numerical Relay Protection Device Display of Relay Protection Device Interface https://style.hkvtest.com/vodcdn/videos/encoder/1202604/452b5b24e12814cc1ad227654c2c2f05/playlist-microprocessor-numerical-relay-protection-device.m3u8 20 2026-04-16T10:30:26+08:00 12 4.3 Relay Protection https://www.hkvtest.com/video-460119-video-detail.html 0.8 weekly 2026-08-27 https://img.hkvtest.com/photo/hkvtest/video/contact-resistance-tester-460119.jpg Follow along for a hands-on demonstration that highlights performance points. In this video, we showcase the Portable Salt Deposit Density Tester for insulator contamination detection, explaining how it measures equivalent salt deposit density (ESDD), conductivity, and temperature to assess pollution severity in power systems. You'll see its direct-read capabilities, automatic temperature compensation, and field-ready features in action, helping prevent pollution flashover and ensure grid reliability. https://style.hkvtest.com/vodcdn/videos/encoder/1202605/03695087e347b1b67aea53b9e92bf7ee/playlist-.m3u8 18 2026-05-29T09:49:32+08:00 6 4.9 https://www.hkvtest.com/video-460130-dc-resistance-tester-operation-tutorial.html 0.8 weekly 2026-08-26 https://img.hkvtest.com/photo/hkvtest/video/dc-resistance-tester-operation-tutorial-460130.jpg DC Resistance Tester Operation Tutorial See the journey from feature description to real application in this concise overview. In this DC Resistance Tester Operation Tutorial, you'll get a complete walkthrough of the HZB1202 handheld instrument from initial setup and test lead connections to configuring measurement parameters, interpreting results, and safely discharging inductive loads. 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In this video, we demonstrate the TAG-8700 Wireless High Voltage Phase Sequence Meter performing live phase verification on high-voltage transmission lines. Watch as we showcase the wireless operation, vector diagram analysis, and voice-guided results during real field testing scenarios. 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