Hedland EZ-View Flow Meter With Flow Switch
Polysulfone variable area flow meters for oil and water with Flow Alert Flow Switch
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- Manufactured by Hedland
- Polysulfone plastic body, C360 Brass, PVC, or T303 stainless fittings
- Repeatability within ±1%
- Flow-Alert flow switch module(s) included
- 1/2" to 2" ports
- Accuracy within ±5%
- 250°F (121°C) maximum
- Oil and water
325 psi (22 bar) max
0.5-100 GPM (2-380 LPM)
The Hedland EZ-View Flow Meter With Flow Switch is a low cost variable area flow meter with a rugged polysulfone body. These industrial quality flow meters are designed for flow measurement applications of water, petroleum products, and emulsions. Six port sizes are available between 1/2 to 1 inch with brass, PVC, or stainless steel fittings. Five port sizes are available between 1-1/2 and 2 inches with brass or PVC fittings.
These Hedland meters feature the Flow Alert flow switch which can be used to automatically trigger an alarm/control circuit if the flow exceeds or drops below preset limits. the meters are available with either AC or DC powered latching switch modules or reed switch modules.
The Hedland EZ-View Flow Meter With Flow Switch can be used in applications in which the temperature ranges from 32°F to 250°F. They are pressure rated for 325 psi/22.4 bar maximum for liquids.
Latching Switch Options
The AC and DC powered Flow-Alert flow switch modules consist of a latching relay circuit housed in a sealed polypropylene enclosure. The modules have a normally open dry relay contact that can be used to directly control alarms, warning lights, relays, or be used to interface to a PLC. The relay will be latched on as the magnet inside the flow meter passes by the module and remain latched on until the magnet passes in the other direction or power is interrupted. The set point is adjustable from 0 to 100% of full scale.
Reed Switch Options
The reed switch modules are also housed in sealed polypropylene enclosures, but these modules do not provide the latching function like the AC and DC powered units. When the magnet inside the flow meter comes within proximity of the module, the reed switch will change state. The set point is adjustable from 0 to 100% full scale. Two (2) reed switches may be installed on a single flow meter to provide low flow and high flow set points.
Features of the Hedland EZ-View Flow Meter With Flow Switch:
- For oil, water and emulsions
- Automatically signals alarm if flow is too high or too low
- Models available for AC or DC power supply
- Latching models include Hirschmann type electrical connector
- Easy to install
- Easy flow limit adjustment
- Operates in any position
- Relatively insensitive to shock and vibration