TST90 Thermometer Spare Parts Overview
The TST90 thermometer is widely used in industrial temperature measurement, and its spare parts and accessories are available in many varieties. This article summarizes the commonly used spare parts list, specifications, and selection points for quick reference by engineering and procurement personnel.
Common Spare Parts List
The following are common spare parts for the TST90 thermometer, including thermal oil, gaskets, O-rings, etc., all with order numbers and specifications.
| Order Number | Specification | Packaging Unit |
|---|---|---|
| 71249291 | Thermal oil FDA approved 30g | - |
| 71312729 | Thermal oil HSC 340, 100g | - |
| 71367427 | Gasket | 10 pieces |
| 71586415 | Spare parts kit O-ring TA20R 44.17x1.78 EPDM labs free, black |
5 pieces |
Protection Tubes and RTD Inserts
Protection tubes and RTD inserts are core components for temperature measurement. When selecting, pay attention to installation method, measurement range, and certification requirements.
Protection Tube TW10
- Model: TW10-
- Type: Threaded connection, compliant with DIN 43772 /2G+3G, welded version
- Application: Protects temperature sensors, suitable for various industrial environments
RTD Insert TET90
- Model: TET90-
- Type: Mineral insulated cable (MgO), for differential temperature measurement
- Maximum measurement range: -50...200 °C
- Note: Delivered in pairs only
Terminal Heads and Terminal Boxes
Terminal heads are used to install transmitters or connect sockets. Different models differ in material, protection class, and temperature range.
| Model | Description | Material | Ambient Temperature | Protection Class | Remarks |
|---|---|---|---|---|---|
| TA20A- | Terminal head TA20A | Aluminum, epoxy resin coating | Max +100 °C; ATEX: +95 °C | - | Product being phased out, limited supply |
| TA20B- | Terminal head TA20B | Polyamide, black | Max +80 °C | IP65 | - |
| TA30A- | Terminal head TA30A | Aluminum, polyester powder coating | -50...150 °C (housing) | IP66/68, NEMA 4X | Low cover, hinged, optional window |
| TA30D- | Terminal head TA30D | Aluminum, polyester powder coating | -50...150 °C (housing) | IP66/68, NEMA 4X | High cover, hinged, can install 2 transmitters |
Selection Notes
- Confirm that the measurement range matches the RTD insert model.
- Select the appropriate protection class and material for the terminal head based on environmental conditions.
- Pay attention to ATEX certification requirements to ensure compliance with hazardous area use standards.
- Some products (such as TA20A) have been gradually phased out; confirm inventory when purchasing.