Product and Ordering Information
Table A
| Figure 1 |
RTD Assembly without Process Fitting |
Figure 4 |
Spring-Loaded RTD Assembly with 1/2″ NPT Pipe Nipple Extension |
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| Figure 2 |
RTD Assembly with 1/2″ NPT Process Fitting |
Figure 5 |
Spring-Loaded RTD Assembly with 1/2″ NPT Hex Fitting/Union Nipple Extension |
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| Figure 3 |
Spring-Loaded RTD Assembly with 1/2″ NPT Process Fitting |
Figure 6 |
Spring-Loaded RTD Assembly with 1/2″ NPT Nipple/Union/Nipple Extension |
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* For custom extension length, add desired length as suffix to basic order code. Variable lengths only available in figure 4, 5 and 6
Example: 5046, for 6″ long extension.
** Fitting/Extension shown in figures 1, 2, 3, & 5 only available in stainless steel.
– If connection head is not required, simply insert figure number as basic order code Example: 3
How to Order
| Pgs. 6-8 | – | Page 9 | – | – | Page 10 | – | TW Section | ||||||
| Basic Order Code | Sensor Diameter | Element | Tolerance | Temp. Range | Sheath Mate | Lead Conn. | “L” Length |
Options |
Order Code for ThermowellIf required (see Thermowell section) |
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| 104 | 4 | A | 1 | B | 1 | C | 12 | 2AS | |||||
| Table A | Table B | Table C | Table D | Table E | Table F | Table G | Table H | Table I | |||||
| Type of Head | Head Material | Basic Order Code | |||||
| Figure 1 | Figure 2 | Figure 3 | Figure 4 | Figure 5 | Figure 6 | ||
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Industrial Weatherproof Screw Cover Head |
Cast Aluminum | 100 | 200 | 300 | 400 | 500 | 600 |
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Industrial Weatherproof Screw Cover Head |
316 S.S. | 112 | 212 | 312 | 412 | 512 | 612 |
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General Purpose Weatherproof Screw Cover Head For Flip Top Style, add suffix “F” to basic order code |
Cast Aluminum | 104 | 204 | 304 | 404 | 504 | 604 |
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Corrosion Resistant Weatherproof Screw Cover Head For Flip Top Style, add suffix “F” to basic order code |
Nylon | 106 | 206 | 306 | 406 | 506 | 606 |
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CSA / ATEX / FM Approved Explosion Proof Head meets NEC Class I Div I Groups B, C, D Class II Div I, Groups E, F, G NEMA 4X, 7, 9, II2G, Ex d, IIC, Gb, II2 D, Ex tb, IIIC Db, IECEx |
Cast Aluminum | 108 | 208 | 308 | 408 | 508 | 608 |
| 316 Stainless Steel | 110 | 210 | 310 | 410 | 510 | 610 | |
RTD Assembly Specifications
| Sensor Diameter | Order Code | |
| 1/8″ | (.125″) | 2 |
| 3/16″ | (.188″) | 3 |
| 1/4″ | (.250″)STD | 4 |
| 5/16″ | (.312″) | 5 |
| 3/8″ | (.375″) | 6 |
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Resistance 0°C |
Material | Temperature Coefficient/Alpha (a) | Order Code | |
| Single Element | Dual Element | |||
| 100Ω | Platinum | .00385Ω/Ω°C | A | 2A |
| 100Ω | Platinum | .003916Ω/Ω°C | B | 2B |
| 100Ω | Platinum | .003902Ω/Ω°C | C | 2C |
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98.129Ω (100Ωnom-) |
Platinum Sama Standard RC21-4-1966 |
.00392Ω/Ω°C | D | 2D |
| 120Ω | Nickel | .00672Ω/Ω°C | E | 2E |
| 9.035Ω | Copper | .00427Ω/Ω°C | F | 2F |
| Accuracy at 0°C | Order Code | |
| ± .12% | Class B | 1 |
| ± .06% | Class A | 2 |
| ± .03% | Lab Grade | 3 |
| ± .02% | Lab Grade | 4 |
| ± .01% | Lab Grade | 5 |
| Temperature Range | Order Code |
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-50 to +250 Deg. C -58 to +482 Deg. F |
A |
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-50 to +400 Deg. C -58 to +752 Deg. F |
B |
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-50 to +660 Deg. C -58 to +1220 Deg. F |
C |
| Sheath Material | Order Code |
| 316 SS | 1 |
| Alloy 600 | 2 |
| Alloy C-276 | 3 |
| 2-Wire | Order Code A |
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| 3-Wire | Order Code B |
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| 4-Wire | Order Code C |
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Specify “L” in Inches Length Not required when Thermowell is used. |
Optional Connections
(For extended lead types)
Table I (options)
| Description | Order Code | ||
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Spade Lugs for #8 Screw | L | |
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Male Plug | M | |
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The connectors shown are for 3-wire single element assemblies. Two – 2 Pin connectors mounted in tandem will be furnished for both styles of 4-wire single element assemblies. Dual element assemblies will have the same connector arrangements except Doubled. |
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| Female Jack | F | ||
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Watertight connector | 1/2″ NPT | W1 |
| 3/4″ NPT | W3 | ||
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Watertight connector with lugs for #8 screws | 1/2″ NPT | WL1 |
| 3/4″ NPT | WL3 | ||
| Optional Mounting Fittings | ||
| Description | NPT | Order Code |
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1/8″ | 1AS |
| 1/4″ | 2AS | |
| 3/8″ | 3AS | |
| 1/2″ | 4AS | |
| 3/4″ | 6AS | |
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For FEP readjustable insert, replace “A” with “R” Example: 4RS |
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| Optional Spring-Loaded Devices | |
| Description | Order Code |
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Adjustable Spring |
FP 275 |
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1/2″ NPT Double threaded adjustable hex bushing |
FP 240 |
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1/2″ NPT single threaded adjustable hex bushing |
SSL |
