CEDASPE® VT
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Reliable Oil Temperature Monitoring for Distribution Transformers
Monitor the thermal condition of your distribution transformer with a proven Bourdon pointer-type thermometer. The CEDASPE® VT is available as VT80 for remote indication or as VT100 for direct mounting with two microswitches.
How it works
The CEDASPE® VT measures the oil temperature using a Bourdon-tube measuring system and displays the value directly on the dial. VT80 is designed for applications where remote indication is required via capillary. VT100 is mounted directly at the measuring point and provides two freely adjustable microswitches for temperature-related signaling.
Why this product
- Reliable oil temperature monitoring in distribution transformers
- Proven Bourdon-tube measuring system
- No readjustment or recalibration required
- Standardized variants with short delivery times
- Safe function even in case of vibrations and extreme outdoor conditions
Features
- VT80 with 85 mm housing diameter and 75 mm dial
- VT100 with 100 mm housing diameter and 85 mm dial
- VT80 without microswitches, supplied with capillary and wall mount
- VT100 with 2 freely adjustable microswitches and plug connection
- Scale range from -20 °C to +120 °C
- Accuracy class 1 according to EN13190
- Degree of protection IP55 for VT80 and IP65 for VT100
Available CEDASPE® VT Variants
| Function | VT80 (Art.No.: 1016387500) |
VT100 (Art.No.: 1016387800) |
|---|---|---|
| Diameter | 85 mm (scale 75 mm) | 100 mm (scale 85 mm) |
| Temperature sensor | Ø 12 mm x 124 mm (stainless steel) | Ø 12 mm x 179,4 mm (stainless steel) |
| Ambient temperature | -40 °C…+80 °C | |
| Scale range | –20 °C to +120 °C | |
| Accuracy class | Class 1 according to EN13190 | |
| Vibration class | 4M4 according to IEC 60721-3-4 | |
| Protection class | IP55 | IP65 |
| Viewing window | ✓ | ✓ |
| Bourdon tube measuring system | ✓ | ✓ |
| Capillary line (remote measurement) | ✓ | ✗ |
| Direct mounting at measuring point | ✗ | ✓ |
| Microswitches | ✗ | ✓ |
| Switching function | ✗ | ✓ |
| Remote indication for hard-to-access installation locations | ✓ | ✗ |
| Display directly at measuring point | ✗ | ✓ |
Legend
✓ = included | ✗ = not included
Documents
| Name | Category | Date | File size | Download |
|---|---|---|---|---|
CEDASPE® VT series |
Operating instruction | 01.01.2023 | 1.758 KB |
 |
|
CEDASPE® VT-SERIES |
Flyer | 01.12.2022 | 2.868 KB |
|
FAQ – Frequently Asked Questions
How does the CEDASPE® VT thermometer measure temperature?
The thermometer operates based on a liquid-filled, closed measuring system consisting of a temperature probe, a capillary or rigid connection, and a Bourdon tube. Temperature changes at the probe result in pressure changes within the system, which are transmitted to the Bourdon tube and displayed as a pointer deflection.
What is the difference between VT80 and VT100?
The VT80 is designed for remote temperature indication via a capillary connection and does not include switching functionality. The VT100 is designed for direct mounting at the measuring point and includes two adjustable microswitches for switching applications.
How do the microswitches in the VT100 work?
The microswitches are actuated by a cam disc connected to the pointer shaft. When the predefined temperature threshold is reached, the mechanical movement of the pointer triggers the switching operation.
Does the device require regular maintenance or recalibration?
The CEDASPE® VT-Series is designed as a maintenance-free system and does not require recalibration during operation under specified conditions.
Is the thermometer suitable for operation in harsh environments?
Yes, the device is designed for industrial applications and operates reliably under vibration and outdoor conditions. It supports ambient temperatures from −40 °C to +80 °C and is resistant to mechanical stress according to IEC standards.
Can the thermometer be used with standard transformer installations?
Yes, the temperature sensor is compatible with common Type A thermometer pockets according to IEC 60076-22, enabling standard integration into transformer systems.
Problem with the installation? No problem at all!
Discover our how-to videos for many products.
Welcome to our how-to videos section, your ultimate guide to easy installation, commissioning and maintenance. Our videos provide you with clear and understandable instructions specifically designed to make it easier for you to use our products.
These videos complement our operating instructions and provide additional visual support for a seamless implementation of your projects. Take a look at our videos and make your life easier.
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Dissolved Gas Analysis (DGA)
Download the DGA Application Guide and protect your transformers from unexpected failures
Our free Application Guide provides information on how Dissolved Gas Analysis (DGA) can help detect transformer failures early.
Learn what problems are caused by gases in the transformer oil and how continuous monitoring of hydrogen, carbon monoxide and moisture using an online DGA sensor can help prevent costly transformer downtime.
With your newfound knowledge, you can improve your equipment monitoring and minimize the risk of downtime and costly repairs.
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