XGM868i Panametrics Gas Flow Meter - clamp on/wetted gas flow meters

XGM868i Gas Flowmeter

  • Ultrasonic Flow Metering System Complete metering system for virtually any gas
  • Economical Compact Transmitter Creates no pressure drop, has no moving parts to collect debris and seldom requires maintenance
  • Optional Dual-Channel Provides enhanced accuracy when measuring two paths on a single pipe
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Case Studies

Overview

The XGM868i from Panametrics is a gas flow meter designed to measure the flow rate of almost any gas. It is suitable for measurement of vent gases, waste gases, biogases, hydrocarbon gases, vapor recovery and more. No pressure drop is caused by installation of the unit and it requires very little maintenance as it has no moving parts to collect debris. The meter is easily installed and provides reliable drift free operation. All this in a low cost transmitter.

Flow rate data can either be displayed locally or can be displayed on a remote system via an analog or digital communications link.

The gas flow meter can be installed directly at the flow measurement point as the electronic components are housed in a compact transmitter package. This simplifies the wiring of the instrument.

A dual channel model of the XGM868 gas flow meter is also available which allows single path measurement on two pipes or measurement of two paths on a single pipe.

Manufactured by: GE Panametrics
Model: XGM868i Gas Flowmeter

Services offered for this product

  • Sales
  • Rental
  • Installation
  • Calibration
  • Maintenance

Applications

Hydrocarbon gases
Fuel gases
Vent gases
Biogases
Digester gases
Waste gases
Incinerator air flow
Vapor recovery
Stack gases
Other gases

Specification

Operation and Performance
Fluid Types Acoustically conductive gases
Pipe Sizes 2 to 120 in. NB (50 to 3,000 mm) and larger
Pipe Materials All metals. Consult RS Hydro for other materials
Flow Accuracy (Velocity) ±1% to 2% of reading typical
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 ±0.2% to 0.5% of reading
Range (Bidirectional) -150 ft/s to 150 ft/s (-46 m/s to 46 m/s)
Rangeability (Overall) 1500:1
Specifications assume a fully developed flow profile (typically 20 diameters upstream and 10 diameters downstream of straight pipe run) and flow velocity greater than 3 ft/s (1 m/s).
Measurement Parameters Mass flow, standard and actual flow, totalized flow, and flow velocity
Electronics
Flow Measurement Transit time
Enclosures • Standard: Epoxy-coated aluminum Type 4X/IP66 Class I,
Division 1, Groups B,C&D
Flameproof ISSeP 02ATEX008
II 2 GD EEx d IIC T5 IP66 T95°C
• Optional: Stainless steel
Dimensions (h x d) Standard: Size 8.2 in x 6.6 in (208 mm x 168 mm),
Weight 10 lb (4.5 kg)
Channels • Standard: One channel
• Optional: Two channels (for two pipes or two-path
averaging)
Display Optional: 2 line x 16 character backlit LCD display,
configurable to display up to four measurement
parameters in sequence
Keypad Built-in infrared, six-button keypad for full functionality
operation
Power Supplies • Standard: 90-260 VAC
• Optional: 12 to 28 VDC, ±5%
Power Consumption 20 W maximum
Operating Temperature -40°F to 140°F (-40°C to 60°C)
Storage Temperature -67°F to 167°F (-55°C to 75°C)
Standard Inputs/Outputs Two 0/4 to 20 mA isolated outputs, 600 Ω maximum load
Optional Inputs/Outputs All analog and digital I/O are available in special combinations. Consult GE for available option cards.
• Two additional 0/4 to 20 mA isolated outputs, 1000 Ω maximum load
• Two 4 to 20 mA isolated inputs, 24 VDC loop power
• Two or four isolated, three-wire RTD (temperature)
inputs, -148°F to 662°F (-100°C to 350°C), 100 Ω platinum
• Two or four pulse or frequency outputs, optically
isolated, 3 A maximum, 100 VDC maximum, 1 W
maximum, from DC to 10 KHz maximum
• Alarm relays:
Two or four Form C relays;
120 VAC, 28 VDC maximum, 5 A maximum;
DC 30 W maximum, AC 60 VA maximum
Digital Interfaces • Standard: RS232
• Optional: RS485 (multiuser)
• Optional: Modbus®
RS485 or TCP protocol
• Optional: Ethernet
• Optional: OPC server
• Optional: Foundation Fieldbus®
Data Logging • Standard: None
• Optional: Memory capacity (linear and/or circular type)
to log over 150,000 flow data points
European Compliance System complies with EMC Directive 89/336/EEC, 73/23/EEC LVD (Installation Category II, Pollution Degree 2) and transducers comply with PED 97/23/EC for DN<25
Wetted Ultrasonic Flow Transducers
Temperature Range • Standard: -58°F to 302°F (-50°C to 150°C)
• Optional (overall): -310°F to 842°F (-190°C to 450°C)
Pressure Range • Standard: 0 psig to 2700 psig (1 bar to 187 bar)
• Optional: 3480 psig (240 bar) maximum
Materials • Standard: Titanium
• Optional: Monel® or Hastelloy® alloys
Process Connections Flanged and compression fittings
Mountings Flowcell or cold tap
Area Classifications • Standard: General purpose
• Optional: Weatherproof Type 4X/IP66
• Optional: Explosion-proof Class I, Division 1,
Groups B,C,&D
• Optional: Flameproof II 2 GD EEx d IIC T6
Transducers and flowcells for special applications are
available. Consult GE for details.

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