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T/Guard 405 Fiber Optic Winding Temperature Monitor
Brand: Qualitrol CompanyThe T/Guard-405 is multi-channel fiber optic transformer windings hot spot monitoring system.
It has up to 16 optical channels and offers Modbus serial communication.
Features- Tough and ruggedized sensors
- Highly visible LED display
- Extended operating temperature
- Compatibility with serial Smart protocols
- No gage factor or calibration required
- RS-485, Modbus communication
- 4-20 mA Analog outputs
- Accuracy of ±1° C
- Resolution of ±0.1° C
- Detachable connector blocks
- On-board 32 MB memory
- Available with 2 to 16 channels
Specifications
Brand
Accuracy
- ± 1° C (1.6° F)
Analog Output
- 4-20 mA (One Output Per Optical Channel)
Calibration
- No System Recalibration Needed over Lifespan to Remain within Specifications
Communication Port
- RS-485 Modbus
Conducted, Radiated Emissions, Surge Withstand & Environmental
- FCC 47 CFR Part 15, Subpart B
- ICES-003 Issue 4, Feb 2004
- IEC 60068-2-14 Temperature -40° to 72° C (-40° to 161.6° F)
- IEC 61000-4-2 ESD
- IEC 61000-4-3 Radiated RFI
- IEC 61000-4-4 Burst
- IEC 61000-4-5 Surge
- IEC 61000-4-6 Induced (Conducted) RFI
- IEEE C37.90 Dielectric Strength (High Pot)
- IEEE C37.90.1-2002 Fast Transient
- IEEE C37.90.1-2002 Oscillatory
Data Logging
- 32 MB Internal Memory
Display
- LED Display
Light Source MTBF
- > 300-Years of Use
Number of Channels
- Available with 2 to 16 (2, 4, 6, 8, 10, 12, 14 & 16-Channels)
Operating Mode
- RS-485: OptiLink™ & OptiLink-II PC Software or ASCII Commands, Modbus
Operating Temperature
- -40° to 72° C (-40° to 161.6° F)
Power Consumption
- 15 W, Max.
Power Requirement
- 20-48 Vdc
Resolution
- ± 0.1° C (0.2° F)
Response Time
- 250 milliseconds
Sensor, Probe Compatibility
- All Neoptix Temperature Probes
Storage Temperature
- -40° to 85° C (-40° to 185° F)
Units
- User Selectable, Metric or Imperial