Measurement Technique
- Ultrasonic, cross-correlation transit time method for flow measurement and PT100 Class B 4-Wire for temperature measurement.
Heat Meter Standard
- The Heat/Energy calculation is designed to comply with EN 1434 section 6.
Temperature Sensors
- Clamp-on PT100 Class B 4-Wire, range 0° C to 200° C (32° F to 392° F), resolution 0.1° C (0.18° F). Min. delta T is 0.3° C.
Enclosure
- The UF3300 enclosure is IP65 rated.
‘A’ Transducers
- 13 mm O.D. to 115 mm O.D. pipes, IP54 with IP68 option
‘B’ Transducers
- 50 mm O.D. to 2000 mm O.D. pipes, IP54 with IP68 option.
Transducer Operating Temp
- ‘A’&‘B’ -20° C to +135° C. ‘A’&‘B’ Option Hi-Temp -20° C to +200° C
Flow Range
- 0.1 m/sec to 20 m/sec bi-directional.
Accuracy
- ± 0.5 % to ± 3 % depending on pipe size for flow rate > 0.2 m/s.
Data Communications
- USB, supports most USB 2.0 BOM drives.
3 × Pulse Output
- Pulse or Frequency. Opto-Isolated MOSFET relay.
Maximum Current
- 150 mA. Isolation: > 100 Vac/dc/ Pulse for volume flow and alarms., frequency for flow and power rate. The pulse outputs can be configured including: flow totals, energy, loss of signal, low flow alarms.
Volumetric Mode
- Pulse repetition rates: up to 50 pulses/sec (depending on pulse width).
Frequency Mode
- Maximum pulse frequency: 200 Hz
Flow at Maximum Frequency
4-20 mA Output
- 4-20 mA flow proportional output, optically isolated 1500 volts, 620 ohms Max. load.
Power
- 86 V to 264 Vac. Optional 12 V a.c./d.c. 1A Max.
Data Logging (Dependent on Model)
- 100,000,000 data points.
- Downloaded via USB to CSV file and export to Excel.
- Logs application details, time, date, flow rate, forward total, reverse total, flow velocity, flow side temperature, return side temperature, temperature difference, power, total energy, signal quality, signal SNR, signal status.