T/Guard2 Optical Hot Spot Monitoring System
A multichannel fiber optic system for high voltage and transformer hot spot temperature measurement
The T/Guard 2 is a full-featured fiber optic transformer hot spot monitorin system. It has 16 user-confi gureable Form-C relays along with analog and digital outputs. It features a web-based confi guration and control interface.
- Tough and ruggedized sensors
- No gage factor or calibration
- Serial communication: RS-232, RS-485, MODBUS, DNP3 or IEC-60870-5-101
- Ethernet communication: HTTP and IEC-61850 (First half 2011)
- Voltage or current output
- Accuracy of ±1°C
- Available with 1 to 16 channels
- 1 GB internal datalogging memory
- Quick and easy web-based confi guration
- 16 Form-C optically isolated relay block
Accessories:
- T2™ Temperature probe
- T2K™ Temperature probe
- Tank wall optical feedthrough
- NEMA-4 Enclosure
- External fi ber-optic extension cables
- Tank wall mounting plate
Direct transformer windings hot spot monitoring with relays and TCP/IP access