Heat Trace RTDs
(Series RW1)
Ordering Information
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Part No.:
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| 1 Series |
2 Element Type |
3 Element Accuracy |
4 Wire Configuration |
5 Sheath Diameter |
6 Sheath Configuration |
7 Head Mounting Fitting |
8 Connection Head Style |
9 Special Features |
10 Trans Temp Range |
11 Temp Scale |
|---|---|---|---|---|---|---|---|---|---|---|
| RW1 | B | 17 |
| 2 | Element Type |
|---|---|
| T | 100 Ω DIN 00385 (thin film) |
| U | 500 Ω DIN 00385 (thin film) |
| W | 1000 Ω DIN 00385 (thin film) |
| 3 | Element Accuracy |
|---|---|
| A | Class A (0.06%) |
| B | Class B (0.12%) |
| 4 | Wire Configuration |
|---|---|
| 2 | 
2-wire |
| 3 | 
3-wire |
| 4 | 
4-wire |
| 5 | Sheath Diameter |
|---|---|
| N | 0.250” (6.4mm) (1/4") |
| P | 0.314” (8mm) (5/16") |
| Sizes for reference only (Standard tolerances apply) | |
| For other diameters consult factory |
| 6 | Sheath Configuration |
|---|---|
| B | 3” X 4.25” (90°Bend) |
| For longer lengths consult factory |
| 7 | Head Mounting Fitting |
|---|---|
| 17 | 
1/2”npt single thread bushing (no process thread) |
| Fittings silver soldered (brazed) to sheath |
| 8 | Connection Head Style |
|---|---|
| A | 
Cast aluminum (standard) |
| B | 
Small cast aluminum |
| C | 
Flip top head cast aluminum |
| D | 
Cast steel |
| E | 
Stainless steel |
| F | 
Cast iron |
| G | 
Polypropylene |
| H | 
Explosion proof cast aluminum |
| Q | 
Explosion proof 316 Stainless steel |
| S | 
Mini aluminum screw down cover |
| W | 
Cast aluminum NEMA 4X IP68 rated |
| X | 
Explosion proof cast aluminum (BLUE) |
| 10 | Special Features |
|---|---|
| None | |
| 17 | 
420 milliamp transmitter (hockey puck style) Non Isolated |
| 53 | 
420 milliamp transmitter (hockey puck style) Isolated |
For Transmitter Only (Optional)
| 14 | Transmitter Temperature Range |
|---|---|
| None | |
| 15 | Transmitter Temperature Scale |
|---|---|
| None | |
| F | Fahrenheit (0-900) |
| C | Celsius (0-480) |
