# RTD Sensor, Probe, Class A, -50 °C, 200 °C, 100 ohm, Platinum
**URL**: https://novapart.co/products/PRS-3-100-A-TW-0250-D1-NB9W/rtd-sensor-probe-class-a-50-c-200-100-ohm-platinum
**SKU**: PRS-3-100-A-TW-0250-D1-NB9W
**Manufacturer**: OMEGA
**Category**: Sensors & Transducers || Sensors || Temperature Sensors || RTD Temperature Sensors
**Price**: €395.1500
**Stock**: 10+
**Lead Time**: 36 days (indicative)
## Specifications
| Parameter | Value |
|---|---|
| Svhc | Lead (04-Feb-2026) |
| Rtd Type | Probe |
| Resistance | 100ohm |
| Probe Length | 2.5" |
| Rtd Accuracy | Class A |
| Product Range | PRS-TW-NB9W Series |
| Probe Diameter | 0.5" |
| Probe Material | 316 Stainless Steel |
| Cable Termination | - |
| Resistance @ 0°C | 100ohm |
| Wire Configuration | 4-Wire |
| Rtd Element Material | Platinum |
| Cable Length - Metric | - |
| Cable Length - Imperial | - |
| Sensing Temperature Max | 200°C |
| Measured Temperature Max | 200°C |
| Measured Temperature Min | -50°C |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3908615/)
## **Sanitary RTD Assemblies Spring Loaded Design with Sanitary Thermowell**
**3⁄4 NPT conduit connection.**
## **PRS-TW-NB9W Series**
**White polypropylene screw cover connection head.**
- U **Removable Spring Loaded Probe in Well for Good Thermal Response**
- U **1[1] ⁄2" 16 AMP Tri-Grip™ (Tri-Clamp[®] Compatible) Fitting**
**1⁄2 x 1⁄2 NPT fitting spring loads sensor in thermowell.**
- U **Standard Insertion Lengths of**
- **1[5] ⁄8, 2[1] ⁄2, 4[1] ⁄2, 7[1] ⁄2, 10[1] ⁄2"**
**316L SS 1[1] ⁄2" 16 AMP Tri-Grip[TM] cap standard.**
- U **White Polypropylene Head with Screw Cap Standard, Other Polypropylene and SS Heads Available**
- U **316L SS Thermowell with 32 µin or Better Finish on Wetted Parts**
**Connection Head Style Sensors**
- U **4-Wire Pt100 Class A Element Standard**
- U **-50 to 200°C (-58 to 392°F) Temperature Range**
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Insertion
length
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**PRS-3-100-A-TW-0250-D1-NB9W, shown smaller than actual size.**
## **Options**
- U **Fitting Styles** U **RTD Elements** U **Protection Heads**
Please consult sales for available options, including element types and curves, probe lengths, protection heads and sanitary fitting styles.
The OMEGA[®] PRS-TW-NB9W series RTD probes are spring loaded into a sanitary thermowell, with a[1] ⁄2 x[1] ⁄2 NPT fitting for easy removal. These probes feature a 4-wire Pt100 Class A element (100 ±0.06 Ω at 0°C) that is compatible with 3-wire RTD instrumentation.
Standard well features include a 0.5" dia. stem (0.75" stepped down for insertion lengths over 2.5") with a 0.260" bore diameter. See the S-260 series thermowells online for complete well dimensions.
## **To Order**
|**To Order**|||||
|---|---|---|---|---|
|**Model No.**|**Lead Wire**
**Style**|Ω**at 0°C**|**Well Stem**
**Length**|**Insertion**
**Length**|
|**PRS-3-100-A-TW-0163-D1-NB9W**
|4-wire|100|21⁄2"|15⁄8"|
|**PRS-3-100-A-TW-0250-D1-NB9W**
|4-wire|100|4"|21⁄2"|
|**PRS-3-100-A-TW-0450-D1-NB9W**
|4-wire|100|6"|41⁄2"|
|**PRS-3-100-A-TW-0750-D1-NB9W**
|4-wire|100|9"|71⁄2"|
|**PRS-3-100-A-TW-1050-D1-NB9W**
|4-wire|100|12"|101⁄2"|
_**Optional protection heads:** To order with_ _**NB16W** white polypropylene flip-top head, change model number suffix from_ _**“-NB9W”** to_ _**“-NB16W”** for an additional cost._
_To order with_ _**NB15** large 316 SS head, change model number suffix from_ _**“-NB9W”** to_ _**“-NB15”** for an additional cost._
_To order with_ _**NB13** medium size 316 SS head, change model number suffix from_ _**“-NB9W”** to_ _**“-NB13”** for an additional cost._
_**Note:** Please consult sales for available options, including element types and curves, probe lengths, and sanitary fitting styles._ _**Ordering Examples: PRS-3-100-A-TW-0450-D1-NB9W,** 4-wire Pt100 RTD sensor (100_ Ω _@ 0°C, Class A accuracy), spring loaded in a 1[1] ⁄2" 16 AMP fitting thermowell with 6" stem length/4[1] ⁄2" insertion length._
_**PRS-3-100-A-TW-0750-D1-NB9W,** 4-wire Pt100 RTD sensor (100_ Ω _@ 0°C, Class A accuracy), spring loaded in a 1[1] ⁄2" 16 AMP fitting thermowell with 9" stem length/7[1] ⁄2" insertion length._
**C-25**
## Links
- [View this product on Novapart](https://novapart.co/products/PRS-3-100-A-TW-0250-D1-NB9W/rtd-sensor-probe-class-a-50-c-200-100-ohm-platinum)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/omega/prs-3-100-a-tw-0250-d1-nb9w/rtd-sensor-100-ohm-class-a/dp/3908615)
---
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