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The TFX-500w transit time ultrasonic flow meter measures volumetric flow of clean water in pipes 10 in. or smaller. By clamping on the outside of the pipe, the ultrasonic meter installs without cutting or tapping the pipe.APPLICATION
The TFX-500w meter is well suited for building automation, water distribution and wastewater collection in new and retrofit applications. In addition to having lower installation costs than an inline flow meter, the TFX-500w meter can be installed while the system continues to operate without interruption.
The TFX-500w meter is suitable for:
• Potable water
• Reclaimed water
• Chiller water
• Boiler feed water
• Make-up water
• Condenser water
Transit time flow meters use two transducers that function as both ultrasonic transmitters and receivers. The flow meters operate by alternately transmitting and receiving a frequency-modulated burst of sound energy between the two transducers. The burst is first transmitted in the direction of fluid flow and then against fluid flow. Since sound energy in a moving liquid is carried faster when it travels in the direction of fluid flow (downstream) than it does when it travels against fluid flow (upstream), a differential in the times of flight will occur. The sound’s time-of-flight is accurately measured in both directions and the difference in time-of-flight calculated.
|Model||Construction||Cable Length||Pipe/Tubing Sizes|
|KZ (IP54), Standard pipe, Integrated rail||PBT glass filled, Ultem®, Nylon cord grip PVC cable jacket; –40…250° F (–40…121° C)||100 ft (30 m) max||2.5…10 in. (DN65…DN250)|
|RZ (IP54), Standard pipe||PBT glass filled, Ultem®, Nylon cord grip PVC cable jacket; –40…250° F (–40…121° C)||300 ft (90 m) max.||2.5…10 in. (DN65…DN250)|
|NZ (IP67), Standard pipe||CPVC, Ultem, Nylon cord grip Polyethylene cable jacket; –40…194° F (–40…90° C)||300 ft (90 m) max||2.5…10 in. (DN65…DN250)|