GE C-RS-401 | Original Panametrics Transducer With Warranty

• Brand: GE Panametrics
• Full Model Number: C-RS-401
• System/Series Family: Panametrics Clamp-On Ultrasonic Flow Measurement
• Core Function: Clamp-on ultrasonic transducer for non-invasive liquid flow measurement
• Top 3 Hardcore Specs: Transducer model 401; compatible with XMT1000; typical two-traverse clamp-on installation
• Stock Status: New Surplus — exact transducer frequency, cable configuration, and physical condition to be confirmed before shipment

GE/Baker Hughes documentation identifies C-RS-401 as transducer model 401 in the XMT1000 transducer selection table. The same manual lists C-RS-402, C-RS-403, and other C-series transducers as separate selectable models.

Module 3: Technical Product Introduction

When a clamp-on ultrasonic flow meter loses a transducer, replacing the transmitter alone will not restore measurement. The sensor pair, pipe material, fluid characteristics, mounting position, cable condition, and programmed transducer model all affect the acoustic path. The GE Panametrics C-RS-401 is a clamp-on ultrasonic transducer identified by the XMT1000 manual as transducer model 401. It is also documented in GE Panametrics inventory records under the C-RS-401-00-0 configuration.

The C-RS-401 is selected through the flow meter’s transducer configuration rather than treated as a generic ultrasonic sensor. GE’s XMT1000 documentation specifically maps transducer number 401 to C-RS-401 and instructs users to configure the transducer and pipe before establishing its physical placement. Exact operating frequency, pipe-size range, cable length, and applicable liquid conditions should be verified from the transducer nameplate and the associated meter configuration rather than inferred from the model number alone. That distinction matters when replacing an older C-series sensor.

Module 4: Application Scenarios & Field Realities

• For non-invasive liquid flow measurement, the C-RS-401 can be installed externally on the pipe, avoiding a process-line penetration. The practical benefit is significant during maintenance when cutting the pipe or interrupting the process is undesirable.
• When an XMT1000 is being commissioned, the transducer model must be selected correctly in the meter’s programming. GE’s manual explicitly lists 401 / C-RS-401 as a selectable transducer combination.
• During replacement of an older Panametrics sensor, record the existing transducer model before removing the clamps. GE documentation shows that C-RS-401, C-RS-402, C-RS-403, and other transducers are separate model selections. A physically similar sensor is not automatically equivalent.
• If the meter reports weak or unstable signal strength after installation, inspect transducer spacing, pipe surface condition, coupling, cable routing, and programmed pipe data before declaring the sensor defective. For clamp-on ultrasonic measurement, installation geometry directly affects the acoustic signal.

GE C-RS-401

Module 5: Migration, Compatibility & Installation Traps

Replacement Matrix

Field Trap 1 — Transducer model selection:
The XMT1000 manual specifically identifies 401 = C-RS-401. Do not select C-RS-402 or another C-series number simply because the sensor body appears similar.

Field Trap 2 — Placement is calculated, not guessed:
GE’s programming procedure includes a dedicated Placement function and calculates the required transducer spacing from the programmed transducer and pipe information. The manual notes that a two-traverse installation is typical. Incorrect spacing can produce poor signal quality even when the replacement transducer itself is fully functional.

Installation note: Clean the pipe surface before mounting. Apply the specified acoustic couplant, position the transducers according to the meter’s calculated spacing, secure the mounting hardware, and then verify signal quality. Avoid routing the transducer cable alongside high-noise power conductors where practical.

Module 6: Quality Assurance SOP

1. OEM identification inspection — Verify the GE Panametrics C-RS-401 designation, model number, label, connector arrangement, and any visible configuration suffix.
2. Physical transducer inspection — Check the sensor housing, acoustic contact surface, cable, connector, strain relief, mounting hardware, and cable jacket for cracks, cuts, deformation, corrosion, or contamination.
3. OEM anti-counterfeit visual inspection — Compare GE Panametrics labeling, housing construction, cable termination, connector geometry, and identification markings against known C-RS-series hardware.
4. Cable continuity verification — Where suitable test equipment is available, check the transducer cable and connector continuity for open circuits, shorts, or abnormal resistance.
5. Sensor electrical screening — Perform the manufacturer’s applicable transducer electrical checks where the required test equipment and reference limits are available. Record the measured result rather than assigning a generic pass value.
6. Meter recognition test — Connect the C-RS-401 to a compatible Panametrics test meter and select transducer model 401 / C-RS-401 in the configuration. Verify that the meter recognizes the sensor correctly.
7. Ultrasonic signal verification — Install the transducer on a suitable test pipe or approved calibration fixture and verify an acceptable acoustic signal under controlled conditions.
8. Placement verification — Confirm that the test installation follows the calculated transducer spacing and mounting arrangement specified by the applicable meter configuration procedure.
9. Final traceability record — Photograph the complete sensor identification, record the model and configuration markings, document cable and housing condition, and retain the test result with the shipment record.

For C-RS-401, the critical replacement detail is the exact transducer model, not simply the phrase “Panametrics ultrasonic sensor.” GE’s XMT1000 documentation explicitly maps model number 401 to C-RS-401, while GE inventory records identify C-RS-401-00-0 as a GE Panametrics spare item.