Articles

October 9, 2022

Temperature Scales

Absolute Zero (-273 °C) is the temperature at which all molecules stop moving. It is not, as some have cruelly suggested, calibrated against a Republicans compassion, a salesman conscience or the National Party’s polling numbers!

I’ve been thinking about temperature, because after a relatively balmy,… Read more

October 9, 2022

Thermocouples and Sensors

Temperature sensors come in several varieties such as:-

  • RTD’s
  • Thermocouples
  • Thermistors

Each has their own benefit in terms of accuracy or cost.… Read more

October 8, 2022

Flow Meters

Portaflow Ultrasonic Clamp on Flow Meter

There are many options for flow metering, but nearly all involve the requirement to break into the pipe.
The Portaflow ultrasonic Clamp-on is different as it is installed on the outside of the pipe. Flow inside the pipe can be measured accurately by this handhe… Read more

October 8, 2022

The Story of Steel

Whether for gauges, custom level switches or custom temperature probes, at Homershams we use steels almost every day.

  • But what is steel?
  • When is it used and are there different types available?
Read more
October 8, 2022

Backflow

What Is Backflow?

A loss in pressure in the mains potable system from sudden demand or a pipe break, can allow used or contaminated water to flow back into the potable water system and could end up in people’s homes and drinking water.… Read more

October 8, 2022

Water Resistant

I’m a nerd. I love learning new things and I especially love it when something I’ve learned intersects with my work. As Robert Frost puts it, “my object in living is to unite my avocation with my vocation”.… Read more

October 7, 2022

Brittle vs. Elasticity – Youngs Modulus

The Engineering Blog

I have a perverse pleasure in watching dash-cam crash videos on YouTube.… Read more

October 8, 2022

Butter

Given that almost quarter of New Zealand’s economy is tied up in milk production, it continues to surprise me how little I know about it.… Read more

03 358 8309