Panametrics DF868-2-11-100000-0 DF868 Fixed Installation Digital Flow Meter
Fixed Installation Digital Flow Meter

Order #: DF868-2-11-100000-0

Mfg #: DF868-2-11-100000-0

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(800) 633-0561
$11,438.00

Panametrics DF868-2-11-100000-0 DF868 Fixed Installation Digital Flow Meter

Fixed Installation Digital Flow Meter

Order #: DF868-2-11-100000-0

Mfg #: DF868-2-11-100000-0

$11,438.00
Availability: Call for availability
This product is available for shipping to the United States, Canada, and Puerto Rico only.
This product is available for shipping to the United States, Canada, and Puerto Rico only.
This product is available for shipping to the United States, Canada, and Puerto Rico only.

Product Highlights

  • Pipes from ½ to 200 in (1.27 cm to 5.1 m)
  • Single-and dual-channel modes
  • Built-in 43,000-point datalogger
  • Two independent programmable graphic LCDs
  • Automatic tracking window for best accuracy when fluid conditions change
  • TransFlection® mode for difficult multiphase fluids
  • Economical, nonintrusive flow measurement
  • Hazardous (classified) location certification
  • Simple setup and installation
  • Suitable for a wide range of pipe sizes and materials
  • Two-channel/two-path version available
  • Energy measurement option
  • Large backlit LCD display
  • Velocity, volumetric and energy flow rates
  • Totalized flow and trend data

Panametrics ultrasonic liquid flowmeter

The DigitalFlow DF868 is a full-featured, fixed-installation liquid flowmeter designed to meet all your flow metering and energy measurement needs. Its patented Correlation Transit-Time™ digital signal processing provides drift-free measurements in ultraclean and most “dirty” liquids. This includes fluids with gas bubbles and entrained solids that have previously required Doppler-type meters.

Dual-channel version reduces costs and improves performance

The optional dual-channel/dual-path model can be user configured for a variety of applications. It can be set up to measure flow in two separate pipes with one meter to reduce the cost-per-measurement point. To minimize the effects of flow profile distortions, flow swirl and cross flow, and to provide maximum accuracy, two sets of transducers can be installed on the same pipe.

Measure flow from outside the pipe

Using clamp-on flow transducers, the DigitalFlow DF868 measures flow rate through metal, plastic or even concretelined pipes without penetrating the pipe wall. To hold clampon transducers in place, a variety of clamping fixtures are available to accommodate different pipe sizes, transducer types and attachment methods (e.g., chain, wire rope, Velcro® strap or a magnetic, bolt-on, or weldable steel yoke with metal band). Our universal clamping fixture includes ruled slide tracks to simplify transducer spacing for accurate flow measurements. There’s even a special small-pipe clamping fixture with miniaturized transducers to simplify flow measurement on 0.5 to 2 inch (15 to 50 mm) lines.

Wetted transducers for maximum accuracy

Obstructionless wetted transducers are readily available for maximum performance. After proper installation, transittime accuracies of better than 1 percent are achievable in most applications, matching the performance of expensive factory-calibrated meters. Measurement range is 0.1 to 40 ft/s (0.03 to 12.2 m/s) for a turndown ratio of 400 to 1 in pipes from 1 to over 200 inches in diameter. Measurement is noncontaminating, obstructionless and causes no pressure drop. The DigitalFlow DF868 is all digital so measurements don’t drift, and it doesn’t need regular maintenance since there are no moving parts to wear out or orifices to clog.

Dual-LCD display, datalogger and a wide variety of I/O options

Whether single-channel or dual-channel, all DF868 meters feature two independent, user-programmable, graphic LCDs, giving you simultaneous access to more data. There is complete flexibility to display any parameter on either LCD in a variety of numerical and graphic formats. Examples include numerical display of real time flow measurements, real time flow graphs and diagnostic waveforms, and numerical/ graphic display of data from the meter’s built-in 43,000 point datalogger. Up to 12 isolated 4 to 20 mA outputs, up to six hermetically sealed or standard alarm relays, and up to 12 frequency/totalizer outputs can be added.

Built-in energy measurement capability

Another feature that makes the DigitalFlow DF868 meter such a powerful and versatile flowmeter, is the energy measurement software included in every meter. The DigitalFlow DF868, with optional RTDs and input boards, extends the benefits of ultrasonic flow measurement to energy measurement. Benefits include measurement of flow and temperature without pipe penetration, and compatibility with pipes from 1 to 200 in (25.4 mm to 5 m) in diameter. The DigitalFlow DF868 meter measures energy flow in water and water/glycol heating and cooling systems with temperatures from -4°F to 410°F (-20°C to 210°C). Consult Panametrics for use with other liquid systems.

To ensure compatibility with existing or preferred temperature instrumentation, the DigitalFlow DF868 meter is available with three analog input boards. The analog input board provides 24 VDC loop power and two isolated 4 to 20 mA inputs for transmitters. For applications requiring direct RTDs, the RTD input board provides two isolated, three-wire RTD inputs for temperatures from -148°F to 662°F (-100°C to 350°C).

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