Various brands OTDR repair
Gas detector service
Replace sensors, pump, filter, etc. for Honeywell, U836 series 4-in-1 gas detectors.
Replace re-chargeable batteries.
Repair the battery connection
for 16NDD02030201, NetComm FTTC Installation, Assistant with G.Fast Test Kit
Various brands fibre testers repair
Change VFL ceramic sleeve
The Visual Fault Locator (VFL) uses ceramic sleeve to achieve better alignment, with the penalty of the broken ceramic sleeve sometimes.
The following illustrates the step-by-step method to replace the broken ceramic sleeve.
How to avoid breaking the ceramic sleeve
During the travel, you may loose the metal tube to disconnect the battery.
Using turning & pushing method to plug in the connector, which will avoid break the ceramic sleeve.