News & Events

Swimming Pool Chlorine and Acid controllers that have all the necessary electrical safety and EMC approvals for domestic use

June 16, 2020

  Domestic Swimming Pool Controllers for ensuring the correct amount of Chlorine and Acid dispensed to your pool are great for keeping your pool water sparkling and germ-free. The key for keeping the Chlorine levels correct is maintaining the correct pH level. This is often neglected in swimming pools because the general consumer is mainly concerned…

Transparent Brominators and their benefit from a WHS perspective

May 12, 2020

One of the most commonly used biocides in cooling tower applications is bromo-chloro-dimethyI-hydantoin (otherwise known as BCDMH or hydantoin). BCDMH is a broad-spectrum halogen-releasing biocide for the control of algal, bacterial, and fungal populations in industrial water systems. It is typically supplied in tablet form, and requires a brominator system to hold the tablets and slowly…

CWC is now an ISO Accredited Organisation

April 22, 2020

What does it mean to be ISO Certified for Quality, WH&S and Environmental Responsibility? To be ISO Quality Certified means to have an exceptionally high international standard of quality control. As a certified company, CWC needs to adhere to these standards which results in a more advanced level of quality control across every CWC product and…

Stenner Multi Function Digital Peristaltic Pumps

March 19, 2020

When in the market for a high end dosing pump, most users will opt for a Stepper Motor Driven or Solenoid Driven Diaphragm pump with fully digital interface to program the pump. These pumps are fully mulit-fuction and are suited to be used in almost any application having an array of input and output options. Traditionally,…

CWC Notification regarding Precautionary Measures during COVID-19 Outbreak

March 15, 2020

At present, it is business as usual for Convergent Water Controls Pty Ltd (CWC), but this situation may change at any time.  Should we anticipate any disruptions to the normal course of business, we will advise as soon as practicable.  The nature of these disruptions could be in the form of delayed product or service supply,…

STEN E20VXHK5SK Peristaltic Pump, Variable Dose Rate 0.43-3.70 l/hr, 5.5 bar

Stenner Ultra Low Dose Rate Peristaltic Pumps

March 11, 2020

In many cases solenoid pumps are used in preference to peristaltic pumps, as the common perception is that peristaltic pumps need too much maintenance due to the requirement of changing the squeeze tube on a regular basis. With high load applications and aggressive chemicals, this may be true. However, a peristaltic pump offers distinct advantages in…

Mag Flow Transmitter, Comms Ready - SIEMENS 7ME6920-1AA10-1AA0

Siemens Mag Flow Meters

March 5, 2020

The Siemens SITRANS F M MAG 5100 W is an electromagnetic flow sensor  for all water and wastewater applications, and is recognised by many water authorities as the best mag flow meter to monitor your trade waste water sent to sewer. In most cases, if you have a commercial operation and are sending water to sewer,…

Mixtron Water Powered Dosing Pumps

February 27, 2020

Growers need consistent and reliable dosage, even when the volume of water in use is subject to fluctuation and varied pressure levels. However, traditional venturi dosing technologies rely on pressure stability to achieve dosage consistency and fail to fully deliver in these situations.  Water powered dosing pumps overcome these problems by using a system known as…

When should I clean my pH probe and with what?

February 19, 2020

Depending on what has fouled the probe, there are different methods to clean the probe. One can choose to clean the probe on a regular basis and calibrate [Which pH buffer solution should I use first when calibrating?], or only clean when the controller drifts out of calibration. There are various methods, however, the most common…

Which pH buffer solution should I use first when calibrating?

February 12, 2020

pH Buffer solutions are required to calibrate a pH controller with a pH sensor (probe). The 3 most common pH buffer solutions are pH4, pH7 and pH10, and are usually a different colour to clearly distinguish between them. pH 4 is often red, pH7 green and pH10 blue. It is recommended to write the pH value…

Why is it important to discard the pH buffer solution after calibration?

February 5, 2020

There are typically 2 types of pH calibration methods, i.e. Single Point or 2 (Dual) Point. Single point calibration Single point calibration is usually done with the pH probe in the process water and the user calibrates the instrument to force the controller to read the same as the user’s independent test results. However, this method…

How to Store and Use pH Buffer Solutions for Calibrating pH

January 28, 2020

  pH Buffer solutions are required to calibrate a pH controller with a pH sensor (probe). The 3 most common pH buffer solutions are pH4, pH7 and pH10, and are usually a different colour to clearly distinguish between them. pH 4 is often red, pH7 green and pH10 blue. It is recommended to write the pH…