WST Series Digital Thermometer
- Measuring range -80–500 °C
- Accuracy ±1% F·S; long-term stability ±0.5% F·S/year
- Radial (WST-411), axial (WST-401) and WST-481 forms
- Stem Φ12; insertion length 100–2000 mm, customizable
- Process connection 1/2″, 3/4″ or M27×2 (customizable)
- For gases and liquids (specify corrosive media when ordering)
Tell us your medium, range and process connection — we reply within 24 hours.
Factory-direct from WELK Meters
- Small MOQ Welcome
- OEM / ODM Support
- Reply Within 24 Hours
Overview
The WST series digital thermometer is a battery-free local digital temperature indicator for industrial gases and liquids, measuring -80–500 °C with an accuracy of ±1% F·S and long-term stability of ±0.5% F·S/year. It replaces conventional dial thermometers where a clear numeric reading is preferred.
The series is offered in radial (WST-411), axial (WST-401) and WST-481 mounting forms. The stem diameter is Φ12, with insertion lengths from 100 to 2000 mm and customizable lengths available. Process connections are 1/2″ (4分), 3/4″ (6分) or M27×2 threads, also customizable on request.
The WST series is rated for ambient humidity of 0–90% and is suitable for gas and liquid media; corrosive media should be specified at the time of ordering so the appropriate wetted construction can be supplied.
Features
- Wide measuring range: -80–500 °C
- Accuracy ±1% F·S with long-term stability ±0.5% F·S/year
- Three mounting forms: radial, axial and WST-481
- Insertion length 100–2000 mm, customizable
- Thread options 1/2″, 3/4″, M27×2, customizable
- Suitable for gas and liquid media
Specifications
| Parameter | Value |
|---|---|
| Measuring range | -80–500 °C |
| Accuracy | ±1% F·S |
| Long-term stability | ±0.5% F·S/year |
| Ambient humidity | 0–90% RH |
| Process connection | 1/2″ / 3/4″ / M27×2 (customizable) |
| Stem diameter | Φ12 |
| Insertion length | 100–2000 mm (customizable) |
| Media | Gas, liquid (corrosive media to be specified) |
| Forms | WST-411 (radial), WST-401 (axial), WST-481 |
Applications
- Local digital temperature indication on industrial pipelines and vessels
- Gas and liquid temperature measurement in process plants
FAQ
What is the measuring range of the WST digital thermometer?
The WST series measures -80–500 °C with an accuracy of ±1% F·S and long-term stability of ±0.5% F·S/year.
Can the insertion length be customized?
Yes. Standard insertion lengths run from 100 to 2000 mm, and both insertion length and process connection (1/2″, 3/4″, M27×2) can be customized to suit your installation.
Is the WST series suitable for corrosive media?
The standard version covers gases and liquids; corrosive media should be specified when ordering. Contact us with your medium, range and process connection; we respond within 24 hours.
