The Mainstream III is an area-velocity open channel meter suitable for any application containing bubbles
The Mainstream III is an area-velocity open channel meter suitable for any application containing bubbles or suspended solids. The velocity sensor detects liquid speed via a proprietary enhanced phase coherence processing sensor. At the same time, the integrated level transmitter provides its signal to combine with channel or pipe cross sectional area. The three calculations are continuously updated providing real time flow, level and total discharge.
Systems do not have to meet the standard Parshall or Venturi type power laws for accurate flow rate measurement, since the Mainstream III measures velocity in addition to height to calculate the flow rate. The Mainstream III features a streamlined velocity sensor to eliminate fouling and reduce flow disturbances. Four isolated analog outputs, and two contact outputs for control or high/low alarms are included as standard options.
Other features include: zero offset or drift velocity measurement, RS232 and modem communications for remote stationing, and an integrated 250,000 point data logger. The Mainstream III can be utilized in such applications as irrigation channels, effluent monitoring, waste water treatment and industrial discharge measurement.
Please Inquire for NIST Traceable Certification
Features
Quick installation eliminates the need for flumes or weirs
Bi-directional flow measurement
Proprietary signal processing
Simple PC interface — Standard or custom channel cross sections
Internet connectivity — Automatic scheduled dial-out and delivery of flow or level data
Data logging for permanent records
Programmable switch outputs for level or flow rate alarms and control
Applications
Irrigation Channels
Effluent Monitoring
Waste Water Treatment
Industrial Discharge Measurement
River and stream flow measurement
SPECIFICATIONS
Dimensions (HxWxL)
14.2 x 6.3 x 3.54 in. (360 x 160 x 90 mm)
Weight
8.8 lbs. (4 kg.)
Environmental Rating
NEMA-4X (IP65) aluminum alloy, standard. NEMA-6P (IP68), available
Main Power Supply
18-30 VDC (200mA max)
Auxiliary Power Supply
12 VDC for battery backup or battery operation
Low Power Operation
May be set up for remote location flow monitoring. Power usage down to 2 Ah per month
Measurement Display
Large character LCD. Display programmable to sequence through: date, time, level, channel cross-section, flow velocity, flow rate, totalized flow, signal quality. Configurable for most engineering units
Level Interface
Level conversion accuracy: better than 0.05% FS. Compatible with alternative level transmitters utilizing 4-20mA signals
Sensor Dimensions (LxWxH)
4.1 x 2 x 0.79 in. (105 x 50 x 20 mm)
Sensor Construction
High performance UPVC, cable exit and pressure sensor mounting at rear of unit
Measurement Range
Velocity
0.16 to 16.5 ft/sec (0.05 to 5.0 m/sec)
Level
0 to 12.0 ft. (0 to 3.7 m) or custom
Resolution
Velocity
0.003 ft/sec (0.001 m/sec)
Level
0.003 ft (0.001 m)
Velocity Accuracy
± 2% typical, zero offset, zero drift
Cable Length
33 ft. (10m) standard, 1650 ft (500m) maximum
CAT NO.
MODEL
DEscRIPTION
AVAIL
PRICE
TT30011
FLOCM3-0-0
Fixed installation area-velocity meter for open channels and part filled pipes
Yes
9,933,840
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