Process Control Instrumentation, Field Devices and Industrial Automation
SKU# (635)

KOBOLD  DUC-MF100D00

$3,932.00     Availability: 7 Days
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KOBOLD DUC-MF100D00
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Kobold DUC-MF Stationary Ultrasonic Flowmeter for Conducting Liquids. Electronic flow transmitter. ABS Housing. 2 4-20 mA, 1 Pulse with 1 Channel, 2 Pulse with 2 Channel, 1 Micro USB and 1 Relay Outputs. Optional RS232 / RS485. 2 Pt 100 Inputs. IP65.

Part# with Options:        DUC-MF100D00
Price with Options:        3,932.00

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  • Media: Ultrasonic Conducting Liquids
  • Temperature Range: -40...300 F
  • Accuracy: up to 1%
  • Flow Velocities: 0... 98 ft/sec
  • Pipe Sizes: 3/8"...20 feet
  • For Use with Common Pipe Materials, with Ultrasonic Conductive Properties, like Steel and Plastics
  • Heat Quantity Measurement

The KOBOLD DUC uses the effect of acceleration and decelaration of acoustic signals traveling in a moving liquid. Two ultrasonic clamp- on transducers are externally mounted on a pipe and produce an acoustic path. The transducers send and receive acoustic signals and the transit times, t1 and t2, are measured by an electronic flow transmitter. The signal from transducer A towards transducer B is accelerated by the flow (shorter t1). The return signal from transducer B to transducer A is decelerated by the flow (longer t2). The difference between t1 and t2, together with the path length L, can be used to determine the average flow velocity. This principle is known as the acoustic time-of-flight principle. The flow is calculated from the geometry data of the pipe and the flow velocity.

The DUC emits a coded signal pattern into the pipe. The received signals will be compared with the sent signals and only the signal pattern, which correlates with the original one, will be used for flow calculation (cross correlation based signal evaluation). The calculation of the flow is done with the integrated DSP (digital signal processor). Thus, the calculation has high sampling rates.

The DSP calculation of the time-of-flight is a pure digital transit time measurement. It is very precise, completely drift and maintenance free, and there is no need for recurring calibrations.

Applications Areas
  • Power Plants: Cooling Water, District Heating, Pump Protection, Condensate and Boiler Feedwater Measurements
  • Water and Waste-Water Industry: Treatment Plant Inflow, Treatment Plant Outflow, Drinking Water Networks, Verification of Water Meters, Pump Protection, Distribution and Consumption Measurements, Leakage Detection
  • Facility Management: Hot and Cold Water, Cooling Systems and Air Conditioning Systems, Optimization of Energy Efficiency, Pump Control, Optimization of Heating and Air Conditioning
  • Chemical and Petrochemical Industry: Crude Oil and Light Oil, Raw and Waste-water, Aggressive and Toxic Media, Measurement of Heat Carriers (e.g. Thermal Oils)
  • Food and Beverage: Correct Hygienic Measurement of Media, Heat Volume Measurement in Energy Supply
Features
  • Easy-to-read User Interface with LED Backlight, QVGA Display
  • User Interface Control with 6 Buttons
  • Quick-Mount-System with Space Bar for Ultrasonic Transducers, 1 MHz and 2 MHz
  • AFC Compensation Algorithm: Compensates for Influences of Changing Media Temperatures
  • Reynolds Compensation: Compensates for Influences of Media Viscosity
  • Ultrasonic Transducers and Technology: Reduces Signal Echoes and Dispersion Effects, Having a Positive Effect on the Signal to Noise Ratio
  • 2 Channel Operation, with Stationary Transmitter
Flow Transmitters DUC-xP: Portable Flow Transmitter

Flow measurement, thermal output, and heat quantity measurement is possible for one measurement point with a pair of ultrasonic transducers in combination with a pair of PT100 temperature sensors. Other features of the DUC-xP transmitter are battery operation, integrated data logger, and a stable aluminum / ABS housing.

DUC-xF: Stationary 1-Channel Flow Transmitter

Flow measurement, thermal output, and heat quantity measurement is applicable for one measurement point in combination with one pair ultrasonic transducers and one pair PT100.

DUC-xF: Stationary 2-Channel Flow Transmitter

Flow measurement is applicable for one or two different measurement points with two pairs of ultrasonic transducers. DUC-xF 2-channel version supports different mathematical operations like CH1+CH2, CH1-CH2, (CH1+CH2)/2; due to the appliance of two mounted pairs of ultrasonic-transducers. Opposite mounting of 2 pairs of transducers on the same pipe will increase the accuracy of measurement, and a redundancy operation is possible where disruptive influences of gaseous flow profile will be compensated. Thermal output and heat quantity measurement is only supported in operation mode (CH1+CH2)/2.

DUC-W Standard Ultrasonic Transducers

The ultrasonic transducers are mounted onto the piping and transmit and receive the ultrasonic signals that are used in the flow transmitter to calculate the volumetric flow rate.

Technical Details DUC-MF (Stationary)
Measurement PrincipleUltrasonic Time-of-Flight
Physical QuantitiesUVolume Flow, Flow Velocity, Power
InstallationWall Mount
CounterHeat Quantity, Volume
Measuring Range0...98.42 ft/sec (Bi-directional)
Signal Damping0 ... 100 s (Adjustable)
Diagnostic FunctionsUltrasonic Velocity, Signal Strength, SNR, Signal Quality, Amplitude, Energy, Oscilloscope Function for Graphical Display and Evaluation of Signal
InterfaceIntuitive, via 8 Soft Keys, Easy-to-Read Display
Menu Language PackagesEN/DE/FR,
EN/ES/FR 1)
EN/RU/CHN 1)
Flow Transmitter UnitsMetric / US
Outputs2 x 4 ... 20 mA, 1 x Pulse with 1 Channel/ 2 x Pulse with 2 Channel, 1 x Micro USB, 1 x Relay Optional RS232 / RS485 (RS485 Supports Modbus Communication)
Additional Inputs for Heat Measurement2 x Pt 100
Measuring Channels1, Optional 2
Power Supply90 - 240 V AC , Optional18-36 V DC
Integrated Data StorageOptional as for DUC-MP
Saved DataOptional as for DUC-MP
Data FormatOptional as for DUC-MP
ProtectionIP 65
Cable ConnectionsScrew Terminals
HousingABS
Operating Temperature-4...140 F
Dimensions10.24" x 9.45" x 4.73" (W, H, D)
Weight2.87 lbs
DisplayQVGA (320 x 240), Black and White, Adjustable Backlight
Measuring Modes 2)CH1, CH2, CH1+CH2, CH1-CH2, (CH1+CH2)/2

  • TRANSMITTERS > GENERAL PURPOSE
    DUC-MP100D00 Kobold DUC-MP Portable Ultrasonic Flowmeter for Conducting Liquids. Electronic flow transmitter. Aluminum, ABS Housing. 2 4-20 mA, 1 Pulse, 1 Micro USB and 1 Relay Outputs. 2 Pt 100 Inputs. IP40. ..


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