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Utilizes the transit-time difference for measuring flow rates in pipes non-invasively, allowing the user to mount the converter on a surface or pipe and easily clamp on the sensors and guide bar. It is intended for mechanical devices using ideally homogeneous liquids that contain no air pockets.
Utilizes the transit-time difference for measuring flow rates in pipes non-invasively, allowing the user to mount the converter on a surface or pipe and easily clamp on the sensors and guide bar. It is intended for mechanical devices using ideally homogeneous liquids that contain no air pockets.
Features
Principles of Operation
Two sensors are placed on the exterior of the pipe, and each transmits an ultrasonic pulse through the pipe and fluid to the other. The velocity of the liquid flowing through the pipes causes the pulse to accelerate or decelerate. The difference in the transit times of the two pulses is used to calculate the flow rate. The use of transit time allows the flowmeter to be unaffected by pressure or temperature changes.
Applications
| Service | Homogeneous liquids that do not contain more than 3% of air bubbles or particulate and capable of ultrasonic wave propagation |
| Inputs | TNC cable from sensors |
| Range | 0.33 to 33 ft/s (0.1 to 10 m/s) |
| Display | 240 x 64 pixel graphic display, high contrast black on white with backlight |
| Display Size | 5" W x 1.3" H (5 x 33.02 mm) |
| Accuracy | > ±0.5 to ±2% of flow reading of flow rate > 0.03 ft/s (0.01 m/s) and pipe OD > 3.0 in (75 mm); ±3% of flow reading for flow rate > 0.03 ft/s (0.01 m/s) and pipe OD 0.5 to 3 in (13 to 75 mm); ±6% of flow reading for flow rate < 0.03 ft/s (0.01 m/s) |
| Power Requirements | 86 to 264 VAC (50 to 60 Hz) or 24 VAC/VDC (1 A max.) |
| Power Consumption | 10.5 W |
| Temperature Limits | Transducer: -4 to 275°F (-20 to 135°C); Controller: -4 to 122°F (-20 to 50°C) |
| Repeatability | ±0.5% of measured value or 0.03 ft/s (0.01 m/s) |
| Turbidity | <3% by volume of particulate content |
| Permissible Air Content | <3% by volume |
| Response Time | <500 ms |
| Applicable Pipe Material | Carbon steel, SS, copper, UPVC/PVDF, concrete, mild steel, glass, brass |
| Applicable Pipe Lining | Rubber, glass, concrete, epoxy, steel, plastic, other |
| Pipe Wall Thickness | 0.04 to 3" (1 to 75 mm) |
| Service | Homogeneous liquids that do not contain more than 3% of air bubbles or particulate and capable of ultrasonic wave propagation |
| Inputs | TNC cable from sensors |
| Range | 0.33 to 33 ft/s (0.1 to 10 m/s) |
| Display | 240 x 64 pixel graphic display, high contrast black on white with backlight |
| Display Size | 5" W x 1.3" H (5 x 33.02 mm) |
| Accuracy | > ±0.5 to ±2% of flow reading of flow rate > 0.03 ft/s (0.01 m/s) and pipe OD > 3.0 in (75 mm); ±3% of flow reading for flow rate > 0.03 ft/s (0.01 m/s) and pipe OD 0.5 to 3 in (13 to 75 mm); ±6% of flow reading for flow rate < 0.03 ft/s (0.01 m/s) |
| Power Requirements | 86 to 264 VAC (50 to 60 Hz) or 24 VAC/VDC (1 A max.) |
| Power Consumption | 10.5 W |
| Temperature Limits | Transducer: -4 to 275°F (-20 to 135°C); Controller: -4 to 122°F (-20 to 50°C) |
| Repeatability | ±0.5% of measured value or 0.03 ft/s (0.01 m/s) |
| Turbidity | <3% by volume of particulate content |
| Permissible Air Content | <3% by volume |
| Response Time | <500 ms |
| Applicable Pipe Material | Carbon steel, SS, copper, UPVC/PVDF, concrete, mild steel, glass, brass |
| Applicable Pipe Lining | Rubber, glass, concrete, epoxy, steel, plastic, other |
| Pipe Wall Thickness | 0.04 to 3" (1 to 75 mm) |
