LISUN LS9923 Programmable Withstanding Voltage And Insulation Tester – After-sales Frequently Asked Questions (FAQ)

LS9923 programmable withstand voltage & insulation tester use to do electricial products safety parameters measurement. it’s widely application at household appliances, electronic instrument, electronic equipment, electronic components and wires & cables industry, etc safety test. It fully meet the IEC60335-1, GB-16916.1,  GB-4706.1, GB-7000.1, GB/T-24344, IEC60598-1 Standard.

This product include remote stick operation, Pass/Fail judgment function, sound & light alarm function and test time automatic control function, etc. Easy operate, look nice and fast over-current cut off, etc.

LS9923 Programmable Withstanding Voltage & Insulation Test

Q1: The buttons do not work, and the parameter cannot be set
A1: Press ① AM button to switch from manual mode to automatic mode. The * in the figure below disappears. In addition, need  to set parameters when ② remote control line and ③ high-voltage rod are not plugged into the equipment.

Lisun Instruments Limited was found by LISUN GROUP in 2003. LISUN quality system has been strictly certified by ISO9001:2015. As a CIE Membership, LISUN products are designed based on CIE, IEC and other international or national standards. All products passed CE certificate and authenticated by the third party lab.

Our main products are Goniophotometer, Integrating Sphere, Spectroradiometer, Surge Generator, ESD Simulator Guns, EMI Receiver, EMC Test Equipment, Electrical Safety Tester, Environmental Chamber, Temperature Chamber, Climate Chamber, Thermal Chamber, Salt Spray Test, Dust Test Chamber, Waterproof Test, RoHS Test (EDXRF), Glow Wire Test and Needle Flame Test.

Please feel free to contact us if you need any support.
Tech Dep: Service@Lisungroup.com, Cell/WhatsApp:+8615317907381
Sales Dep: Sales@Lisungroup.com, Cell/WhatsApp:+8618117273997