RESISTANCE TEMPERATURE DETECTORS (RTDs)
TLSR1
Description
This RTD assembly is designed for use in most general applications.
The thermometer comprises of various diameter fixed inserts with either a transmitter mounting plate or a ceramic terminal block.
The terminal head can be selected from a wide choice of standard items. The structure can be installed into a thermowell or directly into the process by means of an adjustable or fixed fitting. They can also be used in all applications where small immersion lengths are needed.
Design
Technical Specifications
| Designation | Measuring range limits | ||
| Measuring range | Pt100 per IEC 60751 | -200 to +600°C (-328 to +1112°F) | |
| The above range may vary depending on limitations of electrical connection chosen and the jacket material of the insert. | |||
| Type | Class | Max error |
|
| Accuracy (IEC 60751) |
Wire-wound | B: -196 to +600°C | ±(0.30 + 0.0050.t) |
| A: -100 to +450°C | ±(0.15 + 0.0020.t) | ||
| AA: -50 to +250°C | ±(0.10 + 0.0017.t) | ||
| Thin-film | B: -50 to +500°C | ±(0.30 + 0.0050.t) | |
| A: -30 to +300°C | ±(0.15 + 0.0020.t) | ||
| AA: 0 to +150°C | ±(0.10 + 0.0017.t) | ||
| Operating conditions | Maximum ambient temperature | Without mounted head transmitter | Depends on the terminal head and the cable glands used |
| With mounted head transmitter | -40 to 85°C (-40 to +185°F) |
| Diameter (mm) |
Standard stocked grades |
||
| Standard insert diameters |
3.0 | ASTM 316L | |
| 4.5 | ASTM 316L | ||
| 6.0 | ASTM 316L | ||
| Standard process connections |
Fixed threads | ¼” NPT, ½” NPT, | |
| G½” (BSPP) | |||
| Material: SS316 | |||
| Compression fittings | ¼” NPT, | ||
| ½” NPT, | |||
| G½” (BSPP) | |||
| Material: SS316 or brass |
Head, electrical connection and display
| Head (terminal enclosure) | This product is available in the complete range of heads. Complete information on the various options is available in the Thermocouple and RTD Heads section. |
|
| Transmitters (optional) | We can manufacture the thermocouples fitted with transmitters to increase accuracy and reliability compared to direct wired solutions. We offer a wide range of transmitters that are PC Programmable including: • HART® Programmable Transmitters • Profibus® PA Head Transmitters • Foundation Fieldbus™ Head Transmitters |
|
| Displays (optional) | We can manufacture the thermocouples fitted with pluggable displays to indicate actual measured values, identification and fault events. This requires the use of a suitable terminal head with a display window. |
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