Portalevel® MAX PLUS is our latest high-spec UL listed addition to our line of handheld, battery powered liquid level indicators. With Portalevel® MAX PLUS, an operator can rapidly and reliably detect the liquid level within a fire cylinder with a clear GAS / LIQUID interface, with an accuracy of ±1.5mm in under 30 seconds.
P/N: 2290334-COMXPS
NSN: 6680-99-275-5292
IMPA MSG P/N: 652776
CAGE Code: KD983 – COLTRACO LIMITED
Portalevel® MAX PLUS is the latest addition to our range of ultrasonic liquid level indicators as part of our Safesite® mission. Safesite® aims to minimise loss in industrial environments by ensuring a facility’s safe operation in the most efficient way. By complying with ISO and NFPA requirements through precision and speed, Portalevel® MAX PLUS provides a much more convenient and reliable method of fire agent contents monitoring than traditional weighing. This is because Portalevel® MAX PLUS is:
Non-Invasive: The cylinder is not compromised and no manual weighing is required
Precise & Fast: A single operator can reliably measure numerous cylinders with an accuracy of ±1.5mm in under 30 seconds per cylinder
Adaptable: With 3 calibration modes and 4 power settings, Portalevel® MAX PLUS can be adjusted to reliably measure different cylinder types and sizes
Robust: With an IP65 enclosure and backlit LCD display, the unit can be easily operated in challenging and poorly-lit industrial environments
The combination of the Portalevel® MAX PLUS and Portasteele® CALCULATOR uses our decades of experience in ultrasonic engineering and collaboration with fire suppression system manufacturers to allow a user to clearly determine the agent weight from the liquid level without having to physically weigh the cylinder. The benefits of this are:
Traceability: The liquid level found is traceable to the agent weight which is the only documented evidence of fire suppression cylinder contents from the manufacturer
Temperature Correction: Any fluctuations in liquid level as a result of temperature changes is automatically accounted for in the calculations, giving you the true agent contents at all times regardless of temperature
All measurements are saved and recorded with time & date stamp, for effective audit trail and to comply with relevant ISO and NFPA regulations where agent weight is required to be reported
Using the Portalevel® MAX PLUS is straightforward, providing both exceptional accuracy and ease of use:
| Dimensions | 167x82x30 mm (L x W x D) |
| Unit Weight | 300g (with batteries) |
| Accuracy | ±1.5 mm (±1/16 inch) |
| Sensor Type | 14mm diameter magnetically mounted |
| Sensor Frequency | 1 MHz |
| Sensor Connectivity | 1 m BNC coaxial cable. |
| Power Supply | 1 x PP3 9V battery |
| Battery Life | 10 hours continuous use |
| Display | 55 x 28 mm backlit LCD |
| Operating Temperatures | -10 °C to +65 °C (14 °F to 149 °F) |
| IP Rating | IP65 Rating (Enclosure) |
| Classifications & Approvals | UL Listed, RINA Classification Society Approval |
| Registrations | CE, UKAS, Coltraco is ISO 9001 and ISO 14001 registered |
| Warranty |
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The Portalevel® MAX PLUS can measure the level of various liquids. The primary application is to check the liquid level in fire suppression cylinders. These agents commonly include: CO2, FM200™, NOVEC™ 1230, Halon agents, FE-13™, FE-25™, NAF S III™ and, all core Clean Agent systems. However, the Portalevel® MAX PLUS has been shown to work on other liquids such as water, fuel, LPG and even mayonnaise in the processed food industry.
The Portalevel® MAX PLUS can identify the liquid level to ±1.5 mm of the actual liquid level. When using the Portasteele® CALCULATOR to convert the liquid level to agent weight, the results are accurate to within 1%.
CAL1—This is the standard setting to be used in most cases. It will work when the trend in readings you observe goes from high to low with a significant drop-off (see annexe for explanation). CAL2 will be used when the difference between high and low readings is excellent or if CAL 1 is insufficient. CAL3—This mode will be used when the difference between high and low readings is slight and CAL 1 or 2 is insufficient.
No, you can use any ultrasonic gel or petroleum jelly available in most pharmacies. Water will also work, but a hot environment needs regular application.
Unfortunately, above this temperature, CO2 converts into a supercritical fluid state, and your cylinder will no longer have a liquid level to measure. We recommend testing CO2 in lower temperatures. Please get in touch if you need recommendations for hot climate CO2 monitoring.
However, these agents are far more stable at higher temperatures than CO2. Although the liquid level will naturally rise with increased temperature, it is far less than with CO2 and, therefore, can still be tested.
Yes, this unit is specifically designed to work despite the presence of a siphon tube.
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