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Products > Open Channel Flow Measurement > SignatureŽ Flow Meters >

 Signature® Flow Meter

Flexible, configurable flow meter for permanent discharge compliance monitoring

The Signature® flow meter is designed for open channel flow monitoring applications. It supports flow measurement technologies including ultrasonic, bubbler, submerged ultrasonic area velocity, and non-contacting laser Doppler area velocity. The meter can calculate flow using standard open channel level-to-flow conversions, as well as user defined equations or level to flow data points, depending on the application need.

The Signature flow meter has unique features to verify data integrity. It logs key events such as changes in calibration and power outages to validate data accuracy. Data can be easily reviewed to detect any type of data alteration.

With multiple smart interface options and multi-parameter logging (such as pH), the Signature flow meter provides a common platform for control action, reporting, and communication.

Standard Features

  • Multiple parameter data logging
  • Program and Summary Reports
  • Data Integrity Verification
  • Compatibility with Flowlink® software
  • Multiple simultaneous flow technologies
  • pH and temperature input
  • SDI-12 input
  • RS-485 Modbus input
  • RS-485 Modbus output

Applications

  • Industrial Pretreatment Compliance
  • Permit Enforcement
  • Wastewater Treatment Plants
  • Outfall

Options and Accessories

  • TIENet™ 301 pH/Temperature Device
  • TIENet™ 306 Sampler interface (triggering and pacing)
  • TIENet™ 308 Analog Output Card (two outputs per card, maximum of three cards for six user-assignable outputs)
  • TIENet™ 310 Ultrasonic Level Sensor
  • TIENet™ 330 Bubbler module
  • TIENet™ 350 Area Velocity Sensor
  • TIENet™ 360 LaserFlow™ Non-contacting Area Velocity Sensor
  • Battery back-up power
  • Mechanical totalizer
  • Advanced communication options
  • Mounting hardware

Specifications
Signature® Flow Meter
Size (HxWxD): 8.88 x 12.22 x 8.22 in. (with mounting bracket)
Materials of construction: PPO Polyphenylene Oxide
Enclosure (self-certified): NEMA 4X/IP66
Power Required: 12V DC, 100 to 240 VAC, 50/60 Hz; 12V DC, lead acid battery; 12V DC (current consumption varies depending upon configuration)
Cable Entry: Standard ¾" NPT conduit, Optional ¾" NPT cord grips
Flow Measurement Technologies: Ultrasonic (TIENet™ 310), Bubbler (TIENet™ 330) specified at time of order
Inputs: Two SDI-12, Two MODBUS ASCII/RTU
Setup: Front Panel Keypad, Flowlink® software - with serial USB (standard), or optional remote cellular or Ethernet
Flow Conversions: Weir, Flume, British Flume, Metering Insert, Manning Formula, Equation, Level to Flow Data Points
Data Storage: Non-volatile flash; retains stored data during program updates. Capacity-8 MB (180 days with 5 parameters logged at 1 minute intervals). User Selectable Storage Intervals of 15 or 30 seconds; 1, 2, 5, 15, or 30 minutes; or 1, 2, 4, 12, or 24 hours plus user defined reporting intervals.
Data Retrieval: USB drive, Flowlink® software - with serial USB, remote cellular, or Ethernet
Outputs: MODBUS ASCII/RTU
Sampler Interface: TIENet™ 306 (Optional)
Communication Options: CDMA or GSM cellular, Ethernet
Temperature Range-Operating and Storage: -20 to 60°C (-4 to 140°F)
TIENet™ 301 pH/Temperature Device (Optional)
Weight (w/o probe): w/ 10 m cable: 3.5 lb, w/ 23 m cable: 7.5 lb
Ambient Operating Temperature: -20 to 50 °C (-4 to 122 °F)
pH Measurement Range: 0 - 14 pH units
Temperature Compensation: Performed by the TIENet™ 301 device
pH Accuracy: ±0.1 pH units (new probe, freshly calibrated w/in range)
Probe Dimensions: 1.12" dia. X 6" long, 3/4 NPT; Cable 25 ft
Probe Body Material: 316SST
pH Electrode Junction: Double porous
Temperature Measurement Range: 0 to 80 °C (32 to 176 °F)
TIENet™ Model 306 Sampler Interface (Optional)
Function: Flow pacing, enabling based on triggered event. Time and bottle information sent to Signature Flow Meter
Powered By: Signature Flow Meter
Operating Temperature: -20 to 50 °C (-4 to 122 °F)
Storage Temperature: -40 to 60 °C (-40 to 140 °F)
Pulse Width: 50 ms
Pulse Output: 5 volts
Sampler Connection: Standard: 6 pin connector for Isco 6712, Avalanche®, Glacier®, GLS, and 3700 samplers. For other options, contact factory
TIENet™ Model 308 Analog Output (Optional)
Output: 4-20 mA
Isolation: Monolithic
Maximum Load: 500 ohm
Outputs per card: Two
TIENet™ Model 310 Ultrasonic Level Sensor (Optional)
Level Measurement Range: 0.3 to 3.3 m (1 to 11 ft)
Measurement Accuracy at 72 °F (22 °C): ±0.006 m (0.02 ft) at 1 ft level change or less, ±0.009 m (0.03 ft) at greater than 1 ft level change
Temperature Coefficient (w/ in compensated range): ±0.0002 x Distance (m) x Temperature Deviation from 22 °C, ±0.00011 x Distance (ft) x Temperature Deviation from 72 °F.
Beam Angle: 10°
Frequency: 50 kHz
Size: 9.1 cm dia.X 10.2 cm tall (3.63" x 4")
Cable Length: 5, 10 or 23 m (16.4, 32.8 or 75.5 ft)
Weight: 1.8 kg (4 lbs)
Body Material: PVDF
Temperature Range (Operating & Storage): -30 to 60 °C (-22 to 140 °F)
Certifications: Group 2, Category 1G (zone 0), T4; Class I, Div 1, Groups C & D, T4 (pending)
TIENet™ 330 Bubbler Module (Optional)
Level Measurement Range: 0.003 to 3.05 m (0.01 to 10 ft)
Level Measurement Accuracy: +0.002 m @ 22 °C (0.007 ft @ 72 °F)
Operating and storage temperature: -18 to 60 °C (0 to 140 °F)
Temperature Compensation Range: 0 to 60 °C (32 to 140 °F)
Temperature Coefficient (w/ in compensated range): ±0.0003 x Level (m) x Temperature Deviation from 22 °C, ±0.00017 x Level (ft) x Temperature Deviation from 72 °F.
TIENet™ 350 AV Sensor (Optional)
Measurement Technologies: Velocity- Submerged Continuous Wave Doppler 500 kHz Ultrasonic; Level- Submerged Differential Linear Pressure Transducer
Measurement Range: Velocity -1.5 to 6.1 m/s (-5 to 20 ft/s), bidirectional; Level 0.01 to 3.05 m (0.033 to 10 ft)
Velocity Accuracy: ±0.03 m/s (±0.1 ft/s) from -5 to 5 ft/s; ±2% of reading from 5 to 20 ft/s, uniform velocity profile
Level Accuracy: ± 0.10% of Full Scale from 0 to 70 °C (32 to 158 °F) Including non-linearity, hysteresis, & temperature error.
Minimum Depth: 25 mm (0.08 ft)
Maximum Depth: 10.5 m (34 ft)
Level Stability: ±0.007 m/yr (±0.023 ft/yr)
TIENet™ 360 LaserFlow™ Sensor (Optional)
Measurement Technologies: Variable-focus laser Doppler velocity measurement; Ultrasonic level measurement; optional TIENet 350 Area Velocity sensor for measurement during surcharge conditions.
Measurement Range: Velocity -4.6m/s to 4.6 m/s (-15 ft/s to 15 ft/s); Level 0 to 3 m (0 to 10 ft) from measurement point
Flow Accuracy: ±5% of Reading. (Typical, under normal flow conditions)
Operating Temperature Range: 0 to 60 °C (32 to 140 °F)
Storage Temperature Range: -40 to 60 °C (-40 to 140 °F)
Size (HxWxL): 38.01 x 26.21 x 56.7 cm (14.96 x 10.3 x 22.32 in)
Weight: 8.7 kg (19.2 lbs)
Materials: Conductive Carbon Filled ABS, SST, Conductive Kynar, Anodized Aluminum, UV-Rated PVC
Cable Lengths: 5, 10, 15, or 23 m (16.4, 32.8, 49.2, or 75.5 ft)
Enclosure: IP68


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