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Reliable Fiber Optic Thermal Monitoring

Osensa’s PWR+ series fiber optic temperature transmitter offers scalable industry leading performance. Each signal conditioner accepts three optical fiber sensor inputs for convenient threephase monitoring of hot spots in generator and transformer windings, on bus bars in switch gear, or critical connection points on transmission cables and circuit breakers. The FTX-301- PWR+ model includes three isolated 4-20mA outputs that are loop powered from a 12~24VDC source. All transmitters include isolated RS-485 serial connectivity over industry standard Modbus RTU protocol. Multiple transmitters can be connected in series on a standard 35mm DIN rail with power and RS-485 communication supplied to by the five-pin T-Bus connector.


Product Specs

Number Of Channels
3
Analog Output
16-bit, 3kV Isolated 4-20mA
Digital Interface
USB & Isolated 3-wire RS-485
Measurement Range
-40°C to +200°C
Resolution
0.1°C
System Accuracy
±1.0°C (No calibration required, ever)
Update Rate
30 Hz
Operating Environment
-40°C to +65°C
Communication Protocol
Modbus RTU, Half Duplex, 9600 to 115200 baud
Status Indication
3 Color Flashing and Solid LEDs
Operating Humidity
0 to 90% RH (Non-Condensing)
Power
12-24 VDC (2.5W max)
Dimensions
114mm Tall x 22.5mm Wide x 102mm Long
Mounting
35mm DIN Rail
Configuration Software
OSENSAView or OSENSAView Pro
Certifications
UL, CE, ROHS
Compatible Products

Fiber Optic Temperature Probes
Motors & Generators

2.3mm Nylon, 1000µm POF

Measurement Range:
-40°C to +120°C
Measurement Accuracy:
±1.0°C
Maximum Rating:
38 kV, 3 phase
Fiber Optic Temperature Probes
Motors & Generators

2.3mm FEP, 1000µm GOF

Measurement Range:
-40°C to 200°C
Measurement Accuracy:
± 1.0°C
Maximum Rating:
38 kV, 3 phase

Compare all Probes