TTFM 6.1 units measure water flow at a chiller plant for a shopping center in Putrajaya, Malaysia.

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Due to the hot and humid temperatures in Putrajaya, Malaysia, it is often necessary for shopping centers and other places where there is a large volume of people to have cooling plants that distribute cool air around the building.

This concept begins by chilling water at a centralized plant, then chilled water is pumped through a long piping network, usually underground to heat exchangers. Cold air is distributed through the building via a fan to keep everyone at the shopping center cool and comfortable.

HSA Asia, a Pulsar Measurement partner in Malaysia was contacted by the shopping center for help monitoring water flow through their pipes at the chiller plant. HSA decided that the best solution for the application was the TTFM 6.1.

Installation was successful, however, the TTFM 6.1 encountered a grounding issue at the start of the installation, and the short alarm was consistently flagging up. After investigation, HSA Asia found that the short alarm was caused by condensation on the pipe, due to the temperature of the pipe and the temperature of the water formed at the terminal connector. To solve the issue of condensation it was decided that the connector needed to be monitored and regularly cleaned to get an accurate reading and HAS Asia followed a new grounding specification by the end-user to solve the grounding issue.

Once the initial problems were resolved, the TTFM 6.1 performed well and the end-user went on to purchase 7 flow meters! Each one provided the end-user with an accurate flow reading. The end-user said this about the project, “This product was easy to install because we didn’t have to stop any operation, and the setup was simple. The explanation from the staff at HAS Asia was crystal clear and the installation process was smooth and neat.”

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