The Ultrasonic solution, ideal for typically land based applications, identifying the cylinder content of CO2, FM200, NOVEC and a variety of other similar agents.
Coltraco Ltd is the OEM of the Portalevel® Standard with over 15,000 units in service in 98 countries worldwide
The Portalevel® Standard uses an ultrasonic signal which is transmitted into the cylinder and by analysing the returning echo, it is able to identify the interface between liquid and air. The Portalevel® Standard is our upgraded model from our earlier Portalevel® Standard unit with enhanced controls, a slightly altered display and ergonomic enhancements. Internally we have brought more of the electronics up-to-date to protect against obsolescence, improve the power output of the unit and increase the expected life span of the equipment.
The unit is simple to operate using push button controls and requires little or no training. It is calibrated to each cylinder at the touch of a button and the sensors are housed in magnetic applicators which ensures good contact with the surface and allows hands-free operation.
To locate the liquid level in a vessel, the sensor applicator is placed on the test vessel below the expected liquid level and then calibrated with all LED lights then illuminating on the digital unit. The sensor is then placed above the expected level – all lights extinguish. The sensor is moved between these two points in small steps until the interface (liquid level) is located.
With all types of bottles/cylinders, any that are found with unusual readings should be double-checked and if the same readings result are obtained, we recommend that the bottle be isolated and removed for weighing; in most cases it will be found that the contents have leaked.
The Portalevel® Standard is a versatile, ultrasonic liquid level indicator that can locate the level of any liquid in any single skinned container of wall thickness 2 – 15 mm. Wall thickness of 15 mm – 50 mm is also possible, depending on material type and vessel size. It cannot monitor contents of plastic vessels as they do not conduct ultrasound. It is typically used for high pressure CO2 or Halon cylinders constructed of seamless spun steel, approx 5 ft high, 10 ins diameter, 45 kg or pressed steel with welded seams with low pressure fills of varying sizes and fill weights:
Its primary application is to check levels of liquid gaseous extinguishants in fire cylinders where it can be used to locate levels of CO2, Halon and Halon substitutes such as FM200™ and NAF S III. It was recently selected after stringent comparative testing by the US Department of Defence Halon Depletion Agency for purchase who verified its accuracy to +/- 1.5 mm. We supply many units to fire service companies, offshore installations and utility companies worldwide for this purpose.
Using the multi-bank cylinder rod, the Portalevel® Standard liquid level indicator can also verify levels of extinguishants in multi-banked cylinder rows using this extension rod to reach the second and third rows. This type of installation is typically found on board ships and we have extensive experience of supplying this equipment to the marine sector.
The Portalevel® Standard is a useful tool to check the system integrity of sprinkler systems. The majority of sprinkler systems contain "clean agents" such as CO2, Halon and Halon substitutes for which the Portalevel® Standard was designed and which few other instruments are able to locate.
The Portalevel® Standard can be used to locate water levels but in this case the signal gives inverse readings, ie high readings below level and low readings above.
Propane and Butane may be tested though the unit will function in reverse.
The Portalevel® Standard is proven accurate to +/- 1.5mm and weighs just 500g. For a more detailed description of the Technical Specifications for the Portalevel® Standard, please click here.
The Portalevel® Standard ultrasonic level indicator has been manufactured by Coltraco for over 20 years and in that time we have been constantly improving and developing our equipment. We are currently in our 6th Generation of redesign for the Portalevel® Standard and have won numerous awards and approvals for our equipment. Below is a few examples of these Approvals:
All our units are manufactured to BS EN quality standards. All electronics are covered by a 3 year warranty. Sensors are covered by a one year warranty. This warranty is valid provided that the unit has not been tampered with, opened, used contrary to instructions or damaged. The warranty covers free of charge repair and servicing of the unit to be carried out at our factory in the UK. The transport and return of the equipment and the insurance is the customer’s responsibility.
We recommend that units are returned for annual recalibration, usually a requirement for any ISO 9001 operation using test instrumentation. Units returned for recalibration are generally tested and certified within a 48 turnaround period. Customers with a number of units may arrange for a loan unit if necessary.
We are a dedicated Customer Services provider and service-led manufacturer with a mission to remedy any client concern in a friendly and professional manner. Our Technical Department is available at all times to discuss any technical or operational queries and experienced in giving telephone “teach-ins”. All queries are answered on the same day and our technical staff are available to overseas clients outside UK office hours by arrangement. Our technical staff have many years’ experience of the operation of the Portalevel® Standard in the field in a wide variety of market sectors and climatic conditions.
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C S P Hunter FIMarEST
CEO & Managing Director
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