British Rototherm Group - About Canongate Technology

A World leader - With a multi disciplined, highly skilled team of engineers, Canongate Technology is the world leader in the measurement of liquid concentration & density and CO2 , and supplies unique non-invasive tank level gauging equipment for a range of different applications. Through the continuing exploitation of our unique non-invasive ultrasonic technology, we are always seeking to explore new application opportunities.

General Application

As the world’s leading CO2 monitor and control system, Embra CarboCheck uses the well known saturation pressure/temperature technique for accurate, non-sampling measurement.

Embra CarboCheck can be used for measurement alone or configured as a control system.

Working Principle

The CarboCheck sensor features a silicone rubber membrane, through which the dissolved CO2 permeates into a sealed, evacuated chamber. The partial pressure of the gas is then measured and displayed by the analyser/control unit as a CO2 content.

The system incorporates a vacuum exhauster to regularly evacuate the sensor, providing continual, accurate measurement of dissolved CO2. The analyser/control unit can be linked to a carbonation system to enable fully integrated CO2 measurement, injection and control.

Typical Applications

Beer carbonation ex-filter
Mineral waters carbonation
Sparkling wines carbonation
In-line CO2 monitoring on brewery and
soft drinks packaging lines
Carbonation of pre-mixed drinks

Please contact us for full technical specifications

Download a PDF about our CO2 monitor and control system

General Application

DensiCheck TX monitors liquid concentration and density in a wide variety of applications, from dosing control to ABV / alcohol monitoring.

Working Principle

DensiCheck TX uses the established principal that sound velocity in a liquid is related to its concentration. Ultrasound pulses are transmitted through the liquid and reflected to their source. The time of transmission is measured using advanced high speed electronics, and the variation is converted by the on-board microprocessor to a signal representing the liquid concentration.

Temperature is automatically compensated for by an integral sensor, and the resulting value is transmitted via an analogue or digital signal to a suitable display or host controller.

VesselCheck
General Application

VesselCheck is a highly versatile and accurate range of non-invasive liquid level measurement systems, comprising a signal processing unit and ultrasonic transceivers.

Working Principle
Ultrasonic sensors are clamped or bonded to the outside walls of the vessel; one on the bottom of the vessel, with the fully density compensated option, one on the side. Signals from the transducers are fed into the processor and either displayed locally, if that option is selected, or output to a separate system. The system calculates the height and volume of the liquid in the tank, from the time taken for the signal to be received from the liquid surface.

SpotCheck Series 1000/2000

General Application

SpotCheck is a liquid level switch for use in applications where avoiding contact is vital. The sensor is clamped externally to the wall of the pipe or vessel. The method of measurement is suitable for steel, plastic or glass up to 50mm thick.

Working Principle

SpotCheck uses an ultrasonic “footprint” to determine the presence of absence of liquid inside a tank or pipe. It provides two wire, 24Vdc operation with an appropriate current sensor but also incorporates a relay switch output.

The piezo-electronic transducer emits ultrasonic energy into the wall of the tanks or pipe, which acts as a wave-guide. The electronics detect the difference between “wet”, “dry” and “fault” conditions.

In order to ensure that SpotCheck will operate satisfactorily, the surface of the tank or pipe must be prepared properly.

Typical Applications

Tank high/low level alarm
Non contact level switch
Overfill procedure
Pump run dry protection
Pig Detection
Tanker off-load pump control
Liquids with suspended solids and free gas
Detect liquid/foam interface
Aggressive or toxic liquids, effluent, sewage etc.
Hygienic level switch for hygienic liquids, foodstuffs, pharmaceuticals, chemicals
Flowing and static liquids
High or low pressure pipes or vessels
Detect presence of spray e.g. Tank washing

Canongate Technology have manufactured and supplied instrumentation to the brewing industry for over 25 years.

VesselCheck ST2: Bright Beer Tank Level Measurement

CarboCheck: In-line CO2 Analyser
Used by all the major breweries worldwide, the CarboCheck is a highly accurate system for the monitoring and control of CO2 in-line.

DensiCheck TX: In-line Alcohol Measurement
High accuracy system used to measure density, alcohol and plato. Please contact us for full technical specifications.

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