The Pyromation RTD Averaging Sensor is a 3-wire continuous-sensing assembly designed for cross-sectional temperature measurement in air ducts and for low-temperature averaging applications. It’s a 100 Ω platinum element with a 0.00385 °C⁻¹ coefficient that delivers consistent resistance output across a 0–100 °C operating range.
Technical Specifications
- Manufacturer: Pyromation
- Product Type: RTD Averaging Sensor
- Configuration Code: SP06
- Element Type: 100 Ω Platinum, 0.00385 °C⁻¹ TCR
- Measurement Range: 0 to 100 °C (32 to 212 °F)
- Wiring: 3-wire
- Sheath Materials: Copper or 316 Stainless Steel
- Sheath Diameters: 3/16″, 1/4″
- Available Lengths: 12″ to 828″
Pyromation RTD Averaging Sensor Ordering Guide
Ordering uses a five-position code that covers sensor type, sheath material/diameter, length, head-mounting fittings, and termination/options. An optional (4 to 20) mA head-mounted transmitter and floor flange accessory are also available. For non-standard configurations, consult the factory directly.
Example Order Number
2290L 4(23)3 – 120 – 8HN 47, HT
3-Wire Averaging RTD • 1/4″ Copper Sheath • 120″ Length • SS Hex Nipple • Handibox + Floor Flange
Part Number Code Reference
| Code | Description |
|---|---|
| 2290L | 3-wire continuous averaging RTD sensor |
| Code | Diameter | Material |
|---|---|---|
| 3(23)3 | 3/16″ | Copper |
| 4(23)3 | 1/4″ | Copper |
| 383 | 3/16″ | 316 SS |
| 483 | 1/4″ | 316 SS |
| Available Lengths (inches) | Diameter O.D. (inches) | Bendability |
|---|---|---|
| 12 | 3/16, 1/4 | Rigid |
| 24 | 3/16, 1/4 | Rigid |
| 36 | 3/16, 1/4 | Rigid |
| 37 to 324 | 3/16, 1/4 | Bendable |
| 325 to 828 | 1/4 | Bendable |
Specify length in inches using 3 digits.
| Code | Description |
|---|---|
| 8HN | 1/2″ x 1/2″ NPT stainless steel hex nipple |
| 6HN | 1/2″ x 1/2″ NPT steel hex nipple |
| Code | Description |
|---|---|
| 22(06) | 6″ individual Teflon® leads with terminal pins |
| 31 | Aluminum screw-cover head |
| 49 | Flip-top aluminum head |
| 47 | 2″ x 4″ electrical handibox |
| Code | Description |
|---|---|
| HT | Floor flange threaded on a hex |
| T-440 | 4-20 mA head-mounted transmitter (see instrument section) |
Series Information
Pyromation RTD Averaging Sensor (PDF)
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