Ultrasonic Flow Meter UF25B
cynergy
This innovative design provides a high accuracy, non-invasive, flow measurement
device at a fraction of the cost of other current non-invasive systems. The unique
measurement technique automatically compensates for viscosity and temperature
variations. The measurement of flow is by ultrasonic transit time in-line cell.
The flow path is designed to minimise pressure drop and, having no moving parts
within, will not clog or jam. The sensor also allows contaminants to pass through
without affecting its performance.
The sensor is supplied with pulse and analogue outputs, which are selectable by
connection wires..
Technical Specifications
• Non-invasive sensor technology
• Fully electronic, no moving parts
Max. flow L/min (Q4)
25
0.5
0.2
Transitional flow L/min (Q2)
Min. flow L/min (Q1)
Output selectable
Pulse
Analogue
• Automatic viscosity and
temperature compensation
Performance
Accuracy for flow rates between Q2 and Q4
Accuracy for flow rates between Q1 and Q2
Resolution better than
3% of reading
5% of reading
0.001L/min
• Pulse or analogue output selectable
• Low pressure drop
Reverse flow
0-25L/min
• LED indication of no liquid &
Response time
Better than 0.1s
of flow rate
Interface
Connection 8 wires (RED supply +ve, BLACK ground, Blue NPN output, Yellow Data in, White PNP
output, Orange Voltage output, Brown Current output, Green Ground connected internally to black)
Supply
7.5 - 26VDC (input current <10mA @ 9VDC)
Output selectable
1000 pulses/L
0-5Vdc
4-20mA
Operation
Principle
Ultrasonic transit time in-line flow cell
-10°C to 85°C
Temp. range (fluid)
Continuous fluid sound
Maintains performance regardless of fluid type, temperature
or viscosity for speed measurement fluids with sound speeds
1250 - 1750 m/s
Physical characteristics
Flow tube material
Glass filled plastic, Grivory HTV-4FWA Black 9225
(FDA and EU approved for ffodstuffs)
Flow tube internal diameter
Connection thread
10mm
3/8” BSP
Internal bore of connection
10mm
Suitable Pushfit adaptor (to fit 1/2” OD Tube) John Guest Speedfit PI451613S
Maximum pressure
Case material
10 bar
ABS black, Polylac PA-757
Case integrity
Ultrasonically welded, not liquid proof
8 core, PVC sheathed, 100cm long standard
Internal electronics conformally coated.
Connection
Environmental protection
Ordering Code
UF 25 B 100
Cable length (cms)
Output (B=selectable)
Series
Flowrange (25=0to25L/min)
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