ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 SensyTemp Pt100 Temperature Sensor with 316Ti Threaded Thermowell and Customer-Specified Immersion Length
Order-code and installation evidence review for ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 in process temperature replacement and new-build projects
ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 is a configured ABB SensyTemp TSP121 resistance thermometer reference built around a tubular thermowell for light- and medium-duty process applications. The commercial question is not only whether a TSP121 is available: the thread, thermowell material, immersion geometry, sensing insert and remaining suffixes must agree with the plant specification.
For search and purchasing control, keep ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 exactly as written on the inquiry, purchase order and inspection record. ABB states that TSP1X1 order codes cannot be combined at will, so the final configuration should be checked against a current ABB selection sheet or acknowledged order.

Stock/reference image for ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5. This shared ABB instrumentation picture is used for product-family recognition only; it does not prove the exact thermowell, dimensions, approvals or complete suffix of the offered item.
Verified order-code map: what can be stated from ABB documentation
The following map separates documented selection meanings from project assumptions. It helps a buyer read ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 without turning an incomplete code interpretation into an unsupported technical promise.
| Code segment | Verified family meaning | Project consequence |
|---|---|---|
| Y0 | Without explosion protection or approval | Confirm this is acceptable for the installation area. |
| S2 | Thermowell wetted material: stainless steel ASTM 316Ti / 1.4571 | Check medium compatibility, corrosion allowance and site material specification. |
| A3 | Screwed tubular thermowell with straight shaft, DIN 43772 Form 2G | Compare thermowell form, insertion geometry and mechanical duty with the installed assembly. |
| S01 | Cylindrical G 1/2 A process connection | Verify thread standard, sealing method and mating boss before purchase. |
| A1 | Thermowell diameter 9 mm with 1 mm wall | Review response time, strength and clearance against the application. |
| Z9 / Z9 | Customer-specific immersion length and customer-specific nominal length | Record both dimensions independently on the quotation and drawing. |
| D1 | Wire-wound RTD measuring insert, family range -196 to 600 C | Confirm the actual operating range and project calibration points. |
| P1 | One Pt100 element in 2-wire connection | Include lead resistance and transmitter architecture in the accuracy review. |
| B2 | Class B accuracy to IEC 60751 | Check whether Class B meets the loop uncertainty and control requirement. |
| B6 / Y1 / M5 | Suffixes retained exactly; not assigned here without a matching current-order record | Ask for the current ABB configuration sheet or acknowledged order before acceptance. |
This evidence boundary matters for ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5: the confirmed sections describe the core sensor and thermowell arrangement, while B6, Y1 and M5 remain controlled suffixes that should be matched to the current ABB order record. Similar-looking TSP121 assemblies may differ in head, transmitter, cable entry, certificates, documentation or other project options.
The two Z9 dimensions are separate purchase data
The paired Z9 selections make dimensional evidence the centre of the ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 review. One customer-specific value concerns immersion length and the other concerns nominal length. They should never be replaced by a single approximate overall dimension taken from a photograph or a nearby TSP121 listing.
Measure from the correct mechanical reference points, identify the process-connection shoulder, and show the thermowell tip, lagging or extension geometry and terminal-head orientation on a marked drawing. If the item replaces an installed thermometer, record the old nameplate and dimensions before removal.
- Write ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 in full on the drawing and dimensional schedule.
- State the customer-specific immersion length and nominal length as two named values.
- Confirm the G 1/2 A thread reference, engagement and sealing arrangement.
- Check that the 9 x 1 mm straight tubular thermowell clears the nozzle and reaches the required flow zone.
- Record insulation thickness, extension requirement, insertion direction and available withdrawal space.
A dimensional hold point before manufacturing makes ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 easier to approve and reduces the risk of a sensor that fits the paperwork but cannot be installed or removed at the site.
D1, P1 and B2 define a measurement chain, not a complete loop accuracy
The D1/P1/B2 portion identifies a wire-wound RTD insert, one Pt100 element in a 2-wire connection and Class B accuracy under IEC 60751. For ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5, those selections define the sensing element arrangement, but the installed measurement uncertainty also depends on lead resistance, wiring length, terminals, transmitter configuration, calibration and process heat-transfer conditions.
A two-wire Pt100 circuit includes cable resistance in the measured loop. Engineering should therefore confirm whether the sensor connects directly to an input card or through a head-mounted transmitter, and whether the required total accuracy can be achieved with the selected wiring method.
- Define the normal, minimum and maximum process temperature, not only the sensor family range.
- Specify calibration points, tolerance, traceability and certificate requirements.
- Identify direct RTD input or transmitter output, wiring distance and cable specification.
- Check response-time expectations against the thermowell wall, medium velocity and installation depth.
- Include the control-system input range and failure behaviour in the commissioning test.
When ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 is sourced as a spare, the buyer should compare both mechanical interchangeability and the electrical measurement chain. Matching Pt100 alone does not establish a drop-in replacement.
Mechanical and process fit for the S2/A3/S01/A1 build
The verified mechanical selections for ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 point to a 316Ti straight tubular thermowell in DIN 43772 Form 2G, with a G 1/2 A process thread and 9 x 1 mm thermowell geometry. This creates a useful baseline, but pressure, temperature, medium, flow velocity, vibration and corrosion data still govern suitability.
The plant should review thermowell stress and wake-frequency considerations where velocity, density or unsupported length can create cyclic loading. Material compatibility should cover both the process fluid and cleaning conditions. The sealing detail, thread form and installation torque must follow the approved mechanical design rather than a visual comparison.
Because Y0 denotes no explosion protection or approval, ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 should not be placed in a hazardous-area duty unless the complete installed solution and applicable local requirements have been reviewed and the correct approved configuration has been selected.
Suffix control: why B6, Y1 and M5 stay visible but undecoded here
The complete identity ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 includes B6, Y1 and M5. This article deliberately preserves those segments without assigning meanings that have not been matched to a current ABB ordering record. That is a safer procurement practice than borrowing suffix descriptions from another revision, market or web listing.
Ask the supplier to return the exact full order code on the quotation, together with the current generated configuration sheet. Any difference should be highlighted before approval. The final offer should also state what is included: insert, thermowell, terminal head, transmitter if any, glands, certificates and accessories.
Receiving inspection and commissioning record
On receipt, inspect ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 before it enters stores or reaches a shutdown job. Photograph the package, complete nameplate and process connection; compare the full code with the purchase order; and protect the thermowell tip, thread and terminals from handling damage.
- Verify manufacturer, complete order code, serial number and quantity against the approved documents.
- Check thermowell material evidence, straight-shaft form, process thread and both custom length values.
- Measure insulation resistance and Pt100 continuity using an approved low-energy method.
- Review terminal identification, wiring diagram and transmitter data when a transmitter is supplied.
- Confirm calibration documentation, material certificates and project-specific records before release.
- During commissioning, compare the indicated value with a trusted reference and record loop behaviour.
These records give future maintenance teams a reliable baseline for ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5. They also make it easier to distinguish a sensor fault from wiring resistance, transmitter setup, process stratification or an incorrect immersion length.
How industrial buyers can request an accurate quotation
A useful quotation request starts with ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 and then adds quantity, destination, required delivery date, process medium, pressure, temperature range, line or vessel data, hazardous-area classification, custom dimensions, calibration requirements and document package. Include old nameplate and installation photos when the purchase is a replacement.
Related buyer searches may include ABB SensyTemp TSP121 Pt100 sensor, ABB 316Ti threaded thermowell, G 1/2 A process thermometer, custom immersion length RTD and ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5 replacement. These phrases support discovery while the exact complete keyword remains the controlled procurement identity.
For final technical acceptance of ABB TSP121.Y0/S2/A3/S01/A1/Z9/Z9/D1/P1/B2/B6/Y1/M5, use the latest ABB documentation and the acknowledged project configuration. HKXY Tech can review availability and sourcing information when the inquiry includes the complete model, dimensional evidence and required certification scope.
