UPS Inspection and Evaluation

July 22, 2020

A recent request to inspect and evaluate a UPS installation at a high street store uncovered the fact that the UPS was shut down with batteries disconnected. All equipment normally supported by a UPS (tills, security etc.) was just being powered from normal mains power


May 13, 2020

Recently installed a 10KVA Sentryum UPS to replace a competitors old defective system. As the original installation incorporated an external manual bypass switch, the replacement UPS was installed and switched into service without the need to interrupt the power.

This is the third generation of transformerless ON LINE UPS. The 10-20 kVA Sentryum rewrites the concept of flexible power by offering a choice of three compact cabinet sizes to suit the needs of any small datacentre or mission-critical application.

Enhanced overload and short circuit capacity guarantee maximum availability. Incorporating a 5-inch colour touchscreen display and intuitive LED status indicator that automatically changes colour based on the UPS’s current operating state.


April 15, 2020

An old 6KVA UPS was replaced with a new unity power factor “SDU” (Sentinel Dual) UPS.

As the original UPS was installed with an external manual bypass switch (EMBS) there was no interruption to server power and the whole was performed seamlessly.

UPS Upgrade

March 11, 2020

UPS upgrade to a new Multi Sentry from an old Multi Dialog together with new batteries

Docklands 60kva UPS

February 24, 2020

60kva UPS with 35 minutes batteries positioned and commissioned in Docklands

Parallel 12KVA UPS systems

February 12, 2020

Parallel 12KVA UPS systems installed at a travel company’s new head office to protect their data room. Each UPS has it’s own batteries and an overall external manual bypass switch is installed

On-site power monitoring

January 31, 2020

Power Consumption monitoring of older switchboards and supplies. Generally customers are looking for spare capacity or to upgrade switchgear.

Harmonic Monitoring

January 15, 2020

Harmonic Monitoring to identify the cause of a loud audible buzzing from the input ACB

Happy Christmas

December 16, 2019

Power Monitoring

November 29, 2019

Power Consumption Monitoring on the LV side of a 2500KVA packaged substation

Older News