Micronics U1000MKII-FM, User Manual

Page: 48 / 56

U1000MKII User Manual Micronics
Page 44 Issue 3.1 July 19
6 APPENDIX
6.1 Specification
General
Measuring Technique Transit time
Measurement channels 1
Timing Resolution ±50ps
Turn down ratio 200:1
Flow velocity range 0.1 to 10m/s
Applicable Fluid types Clean water with < 3% by volume of particulate content, or up to
30% ethylene glycol.
Accuracy ±3% of flow reading for velocity rate >0.3m/s
Repeatability ±0.15% of measured value
Pipe Ranges 25-115mmOD and 125-180mm OD
Note: Pipe size is dependent on pipe material and internal diameter.
Selectable units for metric (mm) Velocity: m/s
Flow Rate: l/s, l/min, m
3
/min, m
3
/hr
Volume: litres, m
3
Selectable units for Imperial
(inches) Velocity: ft/s
Flow rate: gal/min, gal/hr, USgal/min, USgal/hr
Volume: gals, USgals
Totaliser 14 digits with roll over to zero
Languages supported English only
Power input 12
–
24V DC or 24V AC
Power consumption 7W (DC) or 7VA (AC) maximum
Cable 5m screened 6 core
Pulse Output
Output Opto-isolated MOSFET volt free contact (NO/NC).
Isolation
1MΩ @ 100V
Pulse width Default value 50ms; programmable range 3
–
99ms
Pulse repetition rate Up to 166 pulses/sec (depending on pulse width)
Frequency mode 200 Hz maximum (Range 1-200)
Maximum load voltage/current 24V DC or 24V AC / 500mA
Current Output U1000MkII-FM only
Output 4
–
20mA
Resolution 0.1% of full scale
Maximum load
620Ω
Isolation
1MΩ @ 100V
Alarm current 3.5mA
continued on next page