Introduction to GE PT878
PT878 Product Overview
The GE PT878 is a portable transit-time ultrasonic flow meter under GE’s Panametrics product line, specialized in non-intrusive flow measurement of acoustically conductive liquids across water treatment, oil & gas, chemical processing, and beverage industries. As a self-contained measurement solution, it eliminates the need for pipeline modification by using clamp-on transducers, avoiding liquid contamination and leak risks—critical for handling corrosive chemicals, ultrapure water, and crude oil. A standout feature is its patented Correlation Transit Time™ digital signal processing (DSP) technology, which maintains accurate measurements even in liquids with entrained gas bubbles or fine solids (e.g., sewage, slurries), where conventional flow meters often fail. It supports both volumetric and energy flow rate calculation (when paired with temperature transmitters), with a large backlit LCD displaying data in numeric and graphical formats for on-site readability.
PT878 Technical Specifications
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Product Model: PT878
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Product Type: Portable Transit-Time Ultrasonic Flow Meter (Panametrics Series)
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Core Functions: Non-intrusive liquid flow measurement, volumetric/energy flow calculation, data logging, USB data transmission
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Measured Media: Acoustically conductive single-phase liquids (potable water, wastewater, crude oil, chemicals, glycol mixtures, beverages)
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Measurement Range: Flow velocity ±0.03 to ±12 m/sec (±0.1 to ±40 ft/sec); Compatible pipe sizes 15mm to 6000mm (0.5 to 240 inches)
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Accuracy: ±0.5% of reading (for velocities ≥0.3 m/sec); ±0.0015 m/sec (for velocities <0.3 m/sec)
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Output Specifications: 1× linear analog output (0/4-20 mA); 1× selectable frequency/pulsed totalizer output
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Input Specifications: 2× 4-20 mA analog inputs (for temperature transmitters, energy flow calculation)
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Data Logging: Stores up to 100,000 flow data points; 32 configurable site profiles
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Communication Interface: USB port (data export, real-time transmission); Compatible with GE Panaview™ software
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Power Supply: Rechargeable NiCd/NiMH batteries (10-hour runtime); 100-260 VAC wall charger; Optional alkaline battery pack
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Display & Operation: 240×200 pixel backlit LCD (numeric/graphical display); Multi-language interface; Tactile keypad
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Operating Environment: Temperature -10°C to +60°C (transducer: -40°C to +120°C); Humidity 0-95% (non-condensing); IP65-rated housing
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Mechanical Dimensions: 229mm (W) × 152mm (H) × 64mm (D); Weight ~1.5kg (including batteries)
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Certifications: CE, FCC Part 15 Class A, CSA, IEC 61010-1 compliant
Recommended GE Products
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GE PT900: Fixed-mount ultrasonic flow meter, complementing PT878 for permanent installation in water treatment plants.
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GE PanaFlow® CL: Clamp-on ultrasonic flow meter with wireless connectivity, extending PT878’s remote monitoring capability.
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GE IS215WETAH1BA: Analog I/O module that receives PT878’s 4-20mA signal for integration into Mark VIe DCS.
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GE Panametrics XMT3000: Ultrasonic thickness gauge, pairing with PT878 for pipe wall thickness measurement during flow surveys.
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GE IC697MDL240: 120V AC input module, collecting discrete status signals from PT878 in industrial automation systems.
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GE PanaFlow® MV: In-line magnetic flow meter, working with PT878 for redundant measurement in chemical processing lines.
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GE Predix APM: Asset management software that analyzes PT878’s logged data to optimize liquid transport efficiency.
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GE 703-1283: Alkaline battery pack accessory, extending PT878’s field operation time in remote locations without power access.
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