The TAD981 is a compact hygienic temperature transmitter engineered for reliable process temperature measurement. It uses a thermally coupled Pt1000 and NTC sensing arrangement to provide measurement redundancy and drift detection. The transmitter supports IO-Link communication, analogue output and configurable diagnostic signalling. Its G 1 A Aseptoflex Vario process connection provides a practical solution for hygienic process installations. With a -25...160 °C measuring range and robust stainless-steel construction, it is suitable for demanding industrial applications.
Explore performance details, construction highlights, applications, and technical information in one clear overview.
The TAD981 combines accurate temperature measurement with continuous sensor-condition monitoring. Its dual sensing elements allow the transmitter to identify deviations between the primary and reference measurements. The backup function can maintain temperature measurement capability if one sensing element fails. IO-Link provides convenient access to configuration, process values and diagnostics. The design is especially appropriate for hygienic production and process automation.
The transmitter measures temperatures across the -25...160 °C range. The Pt1000 element provides the primary process measurement while the NTC element supports reference and drift monitoring. The analogue 4...20 mA signal allows direct connection to conventional control systems. Diagnostic signalling can be used for drift and sensor-fault monitoring. This architecture improves process safety and helps reduce dependence on frequent manual calibration.
The TAD981 uses a G 1 A external thread with Aseptoflex Vario process connection technology. Its 33 mm installation length provides a compact sensing arrangement for process equipment. The wetted construction uses stainless-steel materials suitable for hygienic applications. IO-Link allows parameterisation and diagnostic information to be accessed digitally. The transmitter also provides protection features for reliable industrial operation.
Pt1000 and NTC dual sensing technology
Thermally coupled sensing elements
Backup temperature measurement function
Drift detection capability
-25...160 °C measuring range
IO-Link communication
4...20 mA analogue output
Diagnostic output for drift and faults
G 1 A Aseptoflex Vario connection
Stainless-steel hygienic construction
Food processing lines
Dairy processing systems
Brewery temperature monitoring
Hygienic liquid processes
Process heating and cooling
CIP/SIP-related temperature monitoring
Pharmaceutical process equipment
Automated temperature control
Process quality assurance
Sensor condition monitoring
| No. | Specification | Details |
|---|---|---|
| 1 | Product Code | TAD981 |
| 2 | Order Code | TAD033KLES30-A-ZKG/US |
| 3 | Product Type | Temperature transmitter with drift detection |
| 4 | Product Family | TAD Series |
| 5 | Measuring Element | Pt1000 + NTC |
| 6 | Sensor Configuration | Thermally coupled |
| 7 | Backup Function | Yes |
| 8 | Measuring Range | -25...160 °C |
| 9 | Factory Setting | 0...150 °C |
| 10 | Communication | IO-Link |
| 11 | Analogue Output | 4...20 mA |
| 12 | Diagnostic Output | Switching/diagnostic signal |
| 13 | Electrical Design | PNP/NPN |
| 14 | Process Connection | G 1 A |
| 15 | Connection Type | Aseptoflex Vario |
| 16 | Installation Length | 33 mm |
| 17 | Minimum Installation Depth | 25 mm |
| 18 | Pressure Rating | 50 bar |
| 19 | Media | Liquids and gases |
| 20 | Operating Voltage | 18...32 V DC |
| 21 | Current Consumption | Approx. 6 mA at 24 V |
| 22 | Protection Class | III |
| 23 | Electrical Connection | M12 |
| 24 | Wetted Material | Stainless steel 316L |
| 25 | Diagnostic Capability | Drift and fault monitoring |
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