Surge Arrester Counter Action Tester 800-1000V Output 780g Portable 2000 Tests | XHJS401

The XHJS401 surge arrester counter action tester is an independently developed handheld instrument designed in response to the needs of power users for convenient on-site testing of lightning arrester discharge counters. Its attractive appearance, compact size and convenient portability have completely replaced old-fashioned bulky testing instruments and traditional testing methods. The tester verifies whether the action counter of a surge arrester operates correctly by injecting an 800-1000V test impulse, confirming that the counter records lightning and switching surge discharge events as required.

• Ultra-Portable Handheld Design: Weighing only 780g with a slim 36mm diameter body, it replaces old bulky test instruments and can be carried into any substation, pole site or cabinet bay.
• Simple Rotary Power Switch: Rotate the switch between the body and head 90 degrees in any direction; a "click" sound confirms power-on, otherwise the unit is off.
• Telescopic Conductive Rod: The head rod extends to match the mounting height of the counter, enabling testing without ladders or platforms in most cases.
• Clear Two-Color Status Indication: Green light indicates power-on, and the red light (after 3-5 seconds) indicates the test voltage is ready.
• Long Battery Endurance: Four size 1 batteries support more than 2000 discharge tests, minimizing field downtime and battery replacement frequency.
• Safe Discharge Procedure: After testing, discharge the head rod to the tail ground wire before storage, ensuring operator safety.

• Routine Substation Inspection: Quick verification of arrester counters on transformers and busbars during scheduled patrols without removing the arrester from service.
• Overhead Line Pole Testing: Field testing of line arrester counters on distribution poles and transmission towers using the telescopic conductive rod.
• Post-Lightning Verification: Confirming counter operation and recording status after lightning or switching surge events to assess arrester stress history.
• Acceptance and Handover Tests: Verifying newly installed arresters and counters during project acceptance and equipment handover.
• Maintenance Re-Testing: Confirming counter function after arrester replacement, repair or preventive maintenance activities.

1. Ground ConnectionInsert the ground wire into the tail of the instrument and connect it properly to the earth.
2. Adjust Rod LengthAccording to the height of the counter, pull out the telescopic conductive rod of the head to an appropriate length.
3. Power OnRotate the power switch 90 degrees until a "click" sound is heard; the green light turns on.
4. Ready for TestingWait until the red light turns on (about 3-5 seconds), then test the arrester counter through the head rod.
5. Repeat TestsPerform repeated tests without turning off the power; keep the rod away from the test product during each charging.
6. Safe ShutdownAfter testing, turn off the power and discharge the head rod to the tail ground wire before putting the instrument away.