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TransPort PT878 – Portable Ultrasonic Liquid Flow Meter
The TransPort PT878 flow meter packs big features into a small, lightweight package. It is a go-anywhere portable meter with a rechargeable internal battery pack and universal power supply charger that is so easy to use that you can make your first flow measurement within just minutes of opening the box.
The PT878 is one of the most powerful portable ultrasonic liquid flow meters available. It measures flow from outside plastic, metal or concrete-lined pipes nonintrusively, so there’s no pressure drop, leaks or contamination. Patented correlation algorithms resolve transit-time signals like no other flow meter and allow the PT878 to measure flow in ultrapure to extremely dirty liquids such as raw sewage and slurries.
The PT878's built-in datalogger can store more than 100,000 data points and up to 32 sets of site location parameters. An infrared port transfers datalog, site and other files to your PC. Temperature transducers are available for measuring energy flow rate. The rechargeable battery provides six to eight hours of continuous remote operation. A rugged, sealed enclosure provides IP67 submersibility to protect the unit against water damage.
The PT878 flow meter is available with English only or with English and a second language. Languages available: Dutch, Castilian, French, German, Italian, Japanese, Portuguese, Russian, South America Spanish, Swedish.
Features
Small, lightweight and easy to use
Non-intrusive flow measurement for most pipe sizes and materials, including lined pipes
Velocity, volumetric and energy flow rates
Totalized flow and trend data
Logs more than 100,000 flow data points
Multiple language user interface
Applications:
Potable water and wastewater
Cooling and heating water
Ultrapure water and liquids
Crude oil, diesel and fuel oils, lubricating oils
Refined hydrocarbons
Chemicals
Other liquids
Specifications
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Operation and Performance
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| Fluid Types | Acoustically conductive fluids, including most clean liquids, and many liquids with entrained solids or gas bubbles. Maximum void fraction depends on transducer, interrogation carrier frequency, path length and pipe configuration. |
|---|---|
| Pipe Sizes | 0.5 in to 300 in (12.7 mm to 7.6 m) and larger |
| Pipe Wall Thickness | Up to 3 in (76.2 mm) |
| Pipe Materials | All metals and most plastics. Consult GE for concrete, composite materials, and highly corroded or lined pipes. |
| Clamp-On Flow Accuracy (Velocity) |
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| Accuracy depends on pipe size and whether measurement is one-path or two-path. Accuracy to ±0.5% of reading may be achievable with process calibration. | |
| Repeatability | ±0.1% to 0.3% of reading |
| Range (Bidirectional) | –40 to 40 ft/s (–12.2 to 12.2 m/s) |
| Rangeability (Overall) | 400:1 |
| Specifications assume a fully developed flow profile (typically 10 diameters upstream and 5 diameters downstream of straight pipe run) and flow velocity greater than 1 ft/s (0.3 m/s). | |
| Measurement Parameters | Volumetric flow, totalized flow and flow velocity |
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Electronics
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| Flow Measurement | Patented Correlation Transit-Time mode |
| Enclosure | Submersible IP67 |
| Dimensions | Weight 3 lb (1.36 kg), Size (h x w x d) 9.4 in x 5.5 in x 1.5 in (238 mm x 138 mm x 38 mm) |
| Display | 240 x 200 pixel backlit LCD graphic display |
| Keypad | 25-key rubberized tactile membrane keypad |
| Internal Battery | Rechargeable battery: 9 to 11 hr of continuous operation |
| Battery Charger Input | 100 to 250 VAC, 50/60 Hz, 0.38 A |
| Memory | FLASH memory, field-upgradable |
| Operating Temperature | –4°F to 131°F (–20°C to 55°C) |
| Storage Temperature | –40°F to 158°F (–40°C to 70°C) |
| To ensure maximum battery life, storage temperature exceeding 35°C (95°F) is not recommended for more than one month. | |
| Standard Inputs/Outputs |
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| Digital Interface | Infrared communication port for printer or PC interface |
| Site-Parameter Programming |
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| Data Logging |
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| Display Functions |
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| European Compliance | Battery-powered system complies with EMC Directive 89/336/EEC and transducers comply with PED 97/23/EC for DN<25 |
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Clamp-On Ultrasonic Flow Transducers
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| Temperature Ranges |
See specific transducer for exact temperature range. |
| Mountings | Stainless steel chain or strap, welded or magnetic clamping fixtures |
| Area Classifications |
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| PT878 electronics are designed for general purpose areas. | |
| Transducer Cables |
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Thickness-Gauge Option
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| Transducer | Dual-element transducer |
| Pipe-Thickness Range | 0.05 in to 3 in (1.3 mm to 76.2 mm) |
| Pipe Materials | Most standard metal and plastic pipe materials |
| Accuracy | ±1% typical or ±0.002 in (±0.05 mm) |
| Thermal Exposure | Continuous operation to 100°F (37°C); intermittent operation to 500°F (260°C) for 10 sec followed by 2 min air cooling |
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Additional Options
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| PC-Interface Software | The TransPort PT878 communicates with a PC through the infrared interface and Windows® operating systems. Consult the manual for details on sites, logs and other operations with a PC. |
| Printer |
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| RS232-to-Infrared | Infrared adapter plugs into any available serial port to give desktop PCs infrared capability. |
Resource & Download
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