GE PT878

The PT878 is a portable ultrasonic flowmeter in the GE Panametrics series. It adopts clamp-on transit-time technology, enabling the measurement of liquid velocity, volumetric flow, and energy flow without cutting the pipeline. With a compact size and lightweight design (approximately 1.36 kg), it features a built-in rechargeable battery and a backlit LCD. It also supports a multilingual interface, allowing for quick on-site measurements and the recording of up to tens of thousands of data points.

Key Technical Specifications

• Measuring Medium: All acoustically conductive liquids, including clean liquids and two-phase flows containing solids or bubbles.
• Pipe Diameter Range: 0.5 in (12.7 mm) to 300 in (7.6 m), with larger sizes available as an option.
• Pipe Wall Thickness: Up to 3 in (76 mm), with a wall thickness measurement option provided.
• Material Compatibility: Suitable for all metal pipes, most plastic pipes, and can also be used for lined pipes.
• Measurement Accuracy: Typically ±1% to 2% for pipe diameters > 6 in, and ±2% to 5% for pipe diameters < 6 in. It can reach ±0.5% after on-site calibration.
• Operating Temperature: -20 °C to +55 °C; Storage Temperature: -40 °C to +70 °C.
• Power Supply: 100-250 VAC, 0.38 A; Internal lithium battery provides 6-8 hours of continuous operation.
• Communication Interfaces: USB (infrared/direct), 4-20 mA current output, pulse/frequency output, and two analog inputs (for loop-powered temperature transmitters).
• Data Logging: Capable of storing 100,000 flow records and supporting 32 sets of on-site parameters.
• Display: 240 × 220 pixel backlit LCD, supporting alphanumeric and graphic displays.

Product Features

• Non-Invasive Measurement: Clamp-on transducers eliminate the need for pipe cutting, preventing leaks and contamination.
• Two-Phase Flow Adaptability: The patented Correlation Transit-Time™ DSP enhances the signal-to-noise ratio, ensuring accuracy in two-phase flows with solids or bubbles.
• Multifunctional Output: Velocity, volumetric flow, energy flow (with optional temperature RTD), totalized flow, and trend graphs can be directly accessed on the meter or exported via USB.
• Optional Accessories: Wall thickness measurement module, energy measurement kit (equipped with Pt1000 RTD), various clamps (magnetic, chain, Velcro®, metal band), and waterproof/dustproof hard cases.
• Ease of Use: Ready to use out of the box, enabling first measurements within minutes. A built-in guided menu helps quickly set up on-site parameters.
• Low Maintenance: All-solid-state design with no moving parts or orifices, requiring minimal routine maintenance and offering a long service life.

Structure and Composition

• Host Unit: Includes a DSP processor, display screen, keypad, battery, and communication ports.
• Transducer Kit: One or more pairs of clamp-on ultrasonic transducers (with different frequencies and materials available as options), equipped with LEMO® coaxial connectors and 8 m (standard) or 305 m (extended) cables.
• Clamp System: Magnetic, chain, metal band, or Velcro® clamps, compatible with different pipe diameters and materials.
• Optional Modules: Wall thickness measurement transducers, energy measurement RTD kits, USB/infrared communication modules, enclosures (IP67/68), etc.
• Power Supply System: Built-in rechargeable lithium battery, external AC charger, or backup battery pack.

Typical Application Areas

• Municipal and Industrial Water Supply: Drinking water, sewage, cooling water, ultrapure water, etc.
• Petrochemical Industry: Crude oil, diesel oil, lubricating oil, chemical raw materials, etc.
• Energy and Thermal Engineering: Energy flow measurement in heat exchange systems (when used with RTD).
• Process Control: Continuous flow monitoring, on-site calibration, and temporary monitoring points.
• Environmental Monitoring: Natural gas, compressed air, corrosive or toxic gases (PT878GC variant).
• On-Site Survey and Inspection: Rapidly deployed flow surveys and pipeline integrity checks.

Installation and Maintenance Guidelines

• On-Site Preparation: Confirm the pipe material, diameter, wall thickness, and medium temperature range; prepare appropriate clamps and coupling agents.
• Transducer Installation: Align the transducers with the outer wall of the pipe, ensure good coupling (using coupling agents or rubber pads), and adjust the spacing to the value recommended in the transducer manual.
• Parameter Setting: Enter the pipe diameter, wall thickness, and medium sound velocity (manually or using built-in sound velocity calibration) in the meter menu, and select the measurement unit.
• Calibration and Verification: If on-site calibration is required, use a reference metering device with known flow for comparative correction; record the calibration coefficient.
• Data Management: Regularly export logs to a PC via USB, and use Panaview software for trend analysis or report generation.
• Battery and Power Supply: Check the battery level before each use; when not in use for a long time, store the battery at a temperature below 20 °C and avoid storing it at temperatures above 35 °C for more than one month.
• Cleaning and Inspection: Keep the transducer surface clean, regularly check if the clamp bolts and coupling agents are aged; if abnormal noise or drift is detected, recalibrate or replace the transducers.

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If you would like to learn more about our products and services, please feel free to contact us at any time!

• Sales Manager : Jinny
• Email : sales5@xrjdcs.com
• Whatsapp/Mobile:+86 15359273791

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