GE XGM868I-1-21-FI-04164-0 | DigitalFlow Ultrasonic Gas Flow Transmitter

Description

• Brand: GE Panametrics
• Full Model Number: XGM868I-1-21-FI-04164-0
• System/Series Family: DigitalFlow XGM868i
• Core Function: Fixed-installation ultrasonic transmitter for industrial gas flow measurement
• Top 3 Hardcore Specs: XGM868i ultrasonic gas-flow platform; fixed-installation transmitter architecture; 04164 configuration code
• Stock Status: New Surplus — exact configuration and factory labeling to be verified

Technical Product Introduction

The GE Panametrics XGM868i is a fixed-installation ultrasonic gas flow transmitter used where gas-flow measurement must remain available as part of a plant instrumentation system. Available product references identify XGM868i variants as DigitalFlow gas flow ultrasonic transmitters, while the configuration code determines the electrical, enclosure, channel, communication, and transducer-related options. The closely related XGM868i-1-22-OI-04164-0 configuration is documented as a DigitalFlow XGM868i transmitter with fixed-installation gas measurement, two isolated 4–20 mA outputs, a six-button keypad, LCD display, RS232 communication, and 100–240 VAC supply.

The exact XGM868I-1-21-FI-04164-0 suffix should not be treated as electrically identical to the -1-22-OI-04164-0 variant. The available references confirm the XGM868i family and the 04164 configuration code, but they do not provide a sufficiently authoritative decoding of every character in the user’s exact part number. That distinction matters during replacement. Verify channel configuration, enclosure certification, power input, communications, outputs, and transducer arrangement against the installed unit before commissioning (configuration-code matching is more important than the family name alone).

Application Scenarios & Field Realities

• On natural-gas transmission and processing equipment, ultrasonic gas-flow measurement can provide the flow information required by the plant control or monitoring system. The transmitter configuration must match the connected transducers and process installation.
• For flare and fuel-gas measurement, an XGM868i installation can sit between the ultrasonic measurement path and the plant instrumentation system. Confirm the required output and communication interfaces before ordering a replacement.
• In hazardous-area installations, enclosure certification is not a cosmetic specification. A closely related XGM868i configuration is documented with hazardous-area enclosure certifications including ATEX and IECEx; the certification applicable to the exact -1-21-FI-04164-0 assembly must be confirmed from its nameplate and certification documentation.
• During replacement of an installed DigitalFlow transmitter, preserve the existing transducer arrangement, programmed pipe data, calibration parameters, engineering units, output scaling, and communication settings. Replacing the transmitter without restoring these parameters can produce a functioning display with incorrect flow values.

Migration, Compatibility & Installation Traps

Replacement Matrix

Configuration-code trap: Do not substitute XGM868i-1-22-OI-04164-0 for XGM868I-1-21-FI-04164-0 merely because both belong to the XGM868i family and contain 04164. Available documentation shows that different XGM868i ordering codes can specify different configurations.

Transducer trap: Ultrasonic flow performance depends on the complete measurement installation. Before commissioning, verify transducer type, mounting arrangement, pipe dimensions, gas composition assumptions, and stored meter parameters.

Hazardous-area trap: If the existing transmitter is installed in a classified area, certification must be checked before energization. Do not infer the certification of the exact -1-21-FI-04164-0 unit from another XGM868i variant.

GE XGM868I-1-21-FI-04164-0

Quality Assurance SOP

For a New Surplus GE Panametrics XGM868I-1-21-FI-04164-0, the pre-shipment inspection should include:

• OEM anti-counterfeit visual inspection: Verify GE Panametrics markings, DigitalFlow identification, complete model number, serial information, enclosure labels, connectors, keypad, and display.
• Configuration-code verification: Confirm the physical nameplate reads XGM868I-1-21-FI-04164-0 and compare every configuration character with the quotation.
• Mechanical inspection: Check enclosure condition, cable entries, display window, keypad, terminals, connectors, mounting points, and visible seals.
• Power-on self-test (POST): Apply the correct controlled supply and verify startup behavior, LCD initialization, keypad response, and available diagnostic indications.
• Display verification: Check character visibility, backlight operation where fitted, and menu navigation.
• Output verification: Where the test fixture permits, verify the configured analog outputs using calibrated measurement equipment.
• Communication handshake verification: Test the available serial or configured communication interface against the applicable test equipment.
• Ultrasonic measurement verification: Where a suitable simulator or calibrated test arrangement is available, confirm transmitter response using the appropriate Panametrics test procedure.
• Parameter retention check: Confirm that configuration data remains stable through controlled power cycling.
• Final inspection: Record model number, serial information, test results, enclosure condition, and shipment photographs.

Specification-control note: The XGM868i family and 04164 configuration are identifiable from current product references, but the exact character-by-character specification of XGM868I-1-21-FI-04164-0 was not sufficiently documented in the sources located. The exact nameplate and OEM configuration documentation should therefore control final procurement and installation decisions.