iSonic 4000
Open-Channel Flow Meter
DESCRIPTION
An economical open-channel flow meter, iSonic 4000 measures
level, flow rate and total volume of water flowing through weirs
and flumes. The meter includes a non-contact ultrasonic level
sensor to detect the water level and then calculates the flow rate
and total volume using the Gauckler-Manning or other equations
based on characteristics of the channel. All the measurements are
available over Modbus RTU and can be logged for
historical records.
BENEFITS
• Measure level, flow rate and total volume with a single device
• Simple setup for flumes and weirs
• Retain a historical log of all measurements
• Easily connect up to SCADA systems with Modbus RTU
• Rugged IP67 powder coated aluminum enclosure
OPERATION
Based on empirical formulas, the iSonic 4000 calculates the flow
rate based on the geometry of the channel or primary element
and water depth. The level sensor measures the depth of the water
used in the calculation.
The iSonic 4000 includes a selection of primary elements with
preprogrammed tables to simplify the setup, including:
• Parshall flumes
• Manhole flumes
• V-notch weirs
Additionally, you can enter custom tables using the Flow Meter
Tool software.
PUMP CONTROL OPTION
The Pump Control option automatically starts and stops the pump
based on water level.
Tank Volume
or
Max.
Min.
Open Channel Flow Rate
Time
PART NUMBER
• DK-1S-S
◊ iSonic 4000 transmitter
◊ Level sensor with 32 ft (10 m) cable
◊ USB cable
◊ Flow Meter Tool configuration software
• Optional bracket for level sensor
APPLICATIONS
Open channels with a primary element are a cost effective solution
for managing varying flow rates in unpressurized systems. The
iSonic 4000 flow meter performs best when used with a primary
element, such as a flume or weir, and where the sediment does not
build up.
• Flow into water treatment plants from reservoirs
• Storm and sanitary sewer systems
• Effluent from water resource recovery or wastewater treatment
• Industrial discharge
• Agriculture irrigation channels
Pump
Control
HYB-DS-02510-EN-02 (October 2017)
Closed (NO) / Open (NC)
Open (NC) / Closed (NO)
Product Data Sheet
iSonic 4000, Open-Channel Flow Meter
SPECIFICATIONS
Type iSonic 4000
Auxiliary power 92…275V AC (50/60 Hz), < 14 VA optional 9…36V DC, < 4 W
Analog output 4…20 mA, 0…20 mA, 0…10 mA ≤ 800 Ohm, active or passive; Assigned parameter depends on flow meter mode
Level sensor input 4…20 mA from level sensor
2 open collectors; passive: max. 32V DC, 0…100 Hz 100 mA, 100…10.000 Hz 20 mA; active: 24V DC, max. 20 mA;
Digital outputs
Digital input 5…30V DC; totalizer reset, positive return zero, BEACON/AquaCUE connectivity
Programming port Mini USB, IP67
Configuration 3 front-panel mounted push-buttons
Communication RS485 Modbus RTU, Modbus TCP/IP Ethernet, BEACON/AquaCUE connectivity
Pulse length Configurable up to 2000 msec
Datalogger 2 MB capacity with 130,000 logged lines: date, level, flow rate, tank volume
Display Graphical LCD 64 × 128, backlight, actual flow rate, totalizers, status display
Body Die cast powder-coated aluminium, protection class IP67
Cable inlet Supply and signal cables 2 × M20; cable glands included
Signal cable From meter M20; cable gland included
Ambient temperature -20…60° C
Sensors
Security Three level password
Languages English, Spanish, French, German, Italian, Czech, Russian
Channel selection
Select active pulse, min/max. alarm, error messages or pump control
Solid-state relay (n.o./n.c.) max. 230V AC, 500 mA, 1 Hz; Function is linked with open collector output 2
Measuring range Offset Beam width Material Accuracy Deadband
0…49.21 in.
(0…1250 mm)
2 in.
(50 mm)
2 in.
(50 mm)
PVDF
0.125 in.
(3 mm)
2 in.
(50 mm)
Contracted rectangular weir, suppressed rectangular weir, Cipoletti weir; V-notch weir (30°, 45°, 60°, 90°); Parshall
flume (1, 2, 3, 6, 9, 12, 18, 24, 36, 48 and 60 in.); Manhole flume (4, 6, 8, 10 and 12 in.); table entry, exponential
equation, Manning rectangle flume, Manning pipe
DIMENSIONS
9.80 in.
(249 mm)
5.83 in.
(148 mm)
3.15 in.
(60 mm)
6.46 in.
(164 mm)
2.56 in.
(65 mm)
Ø 0.20 in.
(5.2 mm)
M20 (×2)
3.15 in.
(60 mm)
Control. Manage. Optimize.
Dynasonics is a registered trademark of Badger Meter, Inc. Other trademarks appearing in this document are the property of their respective entities. Due to continuous research,
product improvements and enhancements, Badger Meter reserves the right to change product or system specications without notice, except to the extent an outstanding
contractual obligation exists. © 2017 Badger Meter, Inc. All rights reserved.
www.badgermeter.com
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