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The Portasteele® CALCULATOR is the perfect partner to any of Coltraco Ultrasonics’ liquid level detectors. It allows you to convert your measured liquid level to an agent weight, precisely and accurately. These readings can then be saved and exported for future reference and traceability.
Used in partnership with the Portalevel® Ultrasonic Level Indicator range
P/N: CALC-007
Ultrasonic liquid level detection is a considerably more practical means of monitoring the contents of your fire suppression cylinders than removing and individually weighing each cylinder. It is quicker, easier and, as it avoids any down time of your fire suppression systems, safer than the alternatives. However, cylinder manufacturers do not provide the liquid level of a filled cylinder; the only documented evidence of a cylinder’s contents is its fill weight. Furthermore, the liquid level will fluctuate with temperature, as the density of the liquid changes. This will happen by different amounts for different agents and cylinder sizes and, therefore, is not trivial to predict.
The Portasteele® CALCULATOR solves both of these issues. Using dimensional data about the cylinder provided by the user and the liquid level found with one of our Portalevel® units to precisely calculate the agent weight. This Portasteele® CALCULATOR automatically handles the effect of temperature in its calculations and allows you to reliably calculate the mass of agent in your cylinder to within 1% of the true value. This allows your liquid level measurements to be compared directly to the fill weight printed on the cylinder providing you with unparalleled traceability to your liquid level measurements.
Smart data recording
The Portasteele® CALCULATOR is designed for use with cylinders containing liquified agents, where there are distinct liquid and gas regions in the cylinder. However, there are a number of agents, such as CO2 and FE-13, which have what is known as their “critical point” within standard atmospheric temperatures, when stored at pressure. When a substance reaches its critical point, it ceases to exist as distinct layers of liquid and gas and becomes something known instead as a “supercritical fluid”. When this occurs, it is no longer possible to use the liquid level to monitor contents, as there will be no liquid level.
The Portasteele® CALCULATOR takes away the option to record data for substances that will likely be in this state. For CO2, for instance, this critical point occurs at 31°C, so if a user inputs a temperature in excess of this, the Portasteele® CALCULATOR will present an error and they will not be able to proceed and save this measurement.
Technical Specification | |
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Hardware (Tablet) | Dimensions
Water/dustproof ratingIP67 MaterialsPC+TPU Sim CardDual SIM card dual standby (1 micro + 1 nano) OSAndroid 9.0 CPUAndroid 9.0 Data TransferUSB Type-C/BT Screen7.0-inch HD IPS capacitive touch screen, 1280 x 800px Power Supply
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Software | Compatible Agent Types
AccuracyAccurate to 1% of true agent weight when used with a Portalevel® unit Cylinder Type
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The Portalevel® MINI is a portable and battery powered, liquid level indicator designed to non-invasively, accurately, and reliably measure the level of fire suppression agent contained within a cylinder. The Portalevel® MINI is suitable for most standard size cylinders containing CO2, Liquified Clean Agents and Halons.
P/N: 2290334-MINI
The Portalevel® Max Marine is a portable and battery powered, liquid level indicator designed specifically for use onboard marine vessels and environments in the marine sector. Capable of non-invasively, accurately, and reliably measuring the level of fire suppression agent contained within a cylinder. The UL-Approved Portalevel® Max Marine is suitable for CO2, most Liquified Clean Agents and Halons.
P/N: 2290334-COMX
NSN: 6680-99-275-5292
IMPA MSG P/N: 652776
KD983 CAGE code – COLTRACO LIMITED
The Portalevel® MAX MARINE PLUS is an all-new liquid level indicator designed specifically for use onboard marine vessels and environments within the marine sector. Now with three extended calibration features and a display that will indicate if the sensor is in the GAS or LIQUID phase of a fire suppression cylinder. This portable and battery powered, liquid level indicator is designed to non-invasively, accurately, and reliably measure the level of fire suppression agent contained within a cylinder. The UL-Approved Portalevel® MAX MARINE PLUS is suitable for CO2, most Liquified Clean Agents, and Halons.
P/N: 2290334-MAXMN
NSN: 6680-99-192-2735
IMPA MSG P/N: 652776
KD983 CAGE code – COLTRACO LIMITED
Our News
The latest news, technologies, and resources from our team.
Stay compliant and in control of fuel consumption onboard. As of January 1, 2023, new regulations require accurate monitoring and documentation of both vessel speed and
Analyser Services Trinidad Ltd, our exclusive distributor in Trinidad exhibited at The Trinidad and Tobago Energy Conference 2023. The conference took place from January 23rd
The Durham Institute of Research, Development, and Invention (DIRDI) latest newsletter – January 2023. We would like to thank the Vice Chancellor and Durham University