Description
Application
The iTHERM ModuLine TM121 is an RTD or TC assembly that features fundamental sensor technology, designed for use in non-hazardous environments. It includes a standard extension neck and offers an economical solution. The devices can be optionally equipped with Bluetooth®-enabled head transmitters, providing 4 to 20 mA output or HART® communication, which enhances measurement accuracy and reliability compared to directly wired sensors.
- Suitable for a wide range of applications
- Ideal for use in non-hazardous areas
- Measuring range: –50 to +650 °C (–58 to +1202 °F)
- Pressure range: up to 50 bar (725 psi)
- Protection rating: up to IP 68
Benefits
- Cost-effective and dependable measurement
- Simplified selection, installation, and maintenance process
- Extensive variety of process connections available
- Convenient and secure device setup and maintenance with Bluetooth® communication
SPECIFICATIONS
Pressure Specifications
| Measuring principle | Resistance Temperature Detector |
| Characteristic / Application |
metric style modular temperature assembly universal range of application with neck incl. thermowell / protection tube (metal) |
| Thermowell / protection tube | welded protection tube |
|
Insert / probe |
Basis Sensortechnologie |
| Outer diameter protection tube / Insert |
Thermowell: 9x1,25 mm 11x2 mm |
|
Max. immersion length on request |
up to 1.000,0 mm (39'') |
| Material protection tube/ thermowell |
316L (1.4404) |
| Process connection |
Thread: G1/2" NPT1/2" M20x1.5, M27x2, M33x2 Compression fitting: NPT1/2", G1/2", G1" Flansche: DN25 DN40 B1 ASME 1" 150 RF ASME 1" 300 RF ASME 1 1/2" 150 RF ASME 2" 150 RF ASME 2" 300 RF |
| Tip shape | straight |
| Operating temperature range |
Basic PT100 TF: -50 °C …200 °C (-58 °F …392 °F) Typ K: max. 1.100 °C (max. 2.012 °F) |
| Max. process pressure (static) | depending on the configuration |
| Accuracy |
Class A acc. to IEC 60751 Class B acc. to IEC 60751 Class standard acc. to ASTM E230 Class 2 acc. to IEC 60584-2 |
|
Response time |
t90 around 100 s depending on configuration |
| Integration head transmitter | yes (4 … 20 mA; HART) |
Documents
You may want to read this product's catalog. If so, please click to view the Endress+Hauser iTHERM ModuLine TM121 Series datasheet.