Anatomy of the red meter toro plus

Next Gen measurment

The Red Meter you’re looking at here is a 6-inch Toro Plus model with a flow meter on a mobile base. We refer to our meters by their internal diameter, because the ID is what drives the form factor. The red part of the Red Meter is the protective case. It’s a powder-coated aluminum enclosure with a weatherproof seal around all the edges. When the case is securely closed, it’s dust-proof and rain-proof.

Components of the Toro

Inside the case is a flexible pipe with two flanges. This is referred to as the cartridge, we call it that because it’s replaceable, and we’ll talk more about We call it that because it’s replaceable, and we’ll talk more about cartridge replacement in the Calibration and Maintenance video module. The cartridge is made of a proprietary blend of materials and resins that enable it to bend under the influence of mass, pressure, and temperature, and then return back to its exact starting point. The standard cartridge is rated for use up to 150psi, and a 300psi cartridge is available as an upgrade. Attached to the cartridge are carbon steel ANSI standard flanges. Additional flange standards like DIN, and JIS are available as upgrades. The liner of the cartridge is made of polyurethane, which resists abrasion very well, but there are some chemicals with which it may not be compatible. In those cases, custom blends of liner material are available as upgrades.

Measuring Device

Located underneath the cartridge is a laser that is used as a measurement device. The laser measures the deflection of the cartridge in microns of movement, and this is what drives the principle of operation. For scale, a human hair is 40 microns wide. The laser is a FDA Class 2 laser, which means it’s safe on skin, but you shouldn’t look directly into the beam. The lifespan is about 80,000 hours of continuous use, which is just over nine years.

All of the white metalwork you see supporting the Red Meter is the mobile rigid base, or skid. This is made of powder-coated steel with certified welds. The skid is there for ease of installation and protection of the cartridge. It keeps the surrounding pipework from bending, compressing, or crushing the cartridge.

anatomy of the red meter

Electrical Enclosure

The meter is connected to an IP67-rated outdoor electrical enclosure that provides protection from water, rain, and dust ingress, and also includes a UV shield that locks down. The case houses the HMI, which is the touch screen interface. The touch screen allows users to navigate through Red Meter’s specially designed software. The user experience of the interface is more like using a smartphone than a typical piece of instrumentation. Behind the touchscreen interface is the computing module, which is what renders the interface and performs the calculations. 

On the outside of the box, you have three types of interface ports. A 4-pin SP16 connector makes connecting to our two 4 to 20 milliamp outputs a quick and easy operation. An ethernet port is available, although if you have wi-fi, the unit will connect to that. Finally, a USB port enables rapid access to data files.

anatomy of the red meter

Standard Pressure Transmitter

The standard pressure transmitter is a Vega VEGABAR 28, and it’s included with the Red Meter system. It connects to the spool of the skid. A flow meter is not required, but if you are going to purchase one from us, we will provide an Emerson Rosemount 8700 series magnetic flow meter. For systems that ship with a flow meter, we provide a longer skid that includes the in-line flow meter.

anatomy of the red meter

Conclusion

That’s the basic anatomy of a Red Meter. In the future, we’ll give you some more insight on the Principles of Operation that drive Red Meters.

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