Dwyer Instruments BTT-O25-1 Outside Air Temperature Transmitter, 4-20 mA Output

The Series BTT Temperature Transmitters offer transmitter output signals with the same form and fit as our popular TE thermistor and RTD sensors for building HVAC applications. Thermowells are required when using immersion models in liquid applications.

Outside Air Temperature Transmitter with 4 to 20 mA Output

• Duct, immersion, and outside air models available
• Radiation shield available for mounting in direct sunlight
• Transmitter output allows for longer wire runs than standard thermistor sensors

• Accuracy: ± 0.5 °C
• Compliance: CE
• Current Output: 4 to 20 mA
• Electrical Connection: 1/2 in NPT female Conduit with Screw Terminal block
• Enclosure Ratings: IP66, NEMA Type 4X
• Materials, Wetted: 304 Stainless Steel, Nylon, Polycarbonate, Silicone
• Measurement Type: RTD
• Mounting Orientation: Outdoor
• Operating Temperature, Max: 302 °F
• Operating Temperature, Min: -40 °F
• Output Signal: Current
• Probe Length: 2.5 in
• Process Temperature, Max: 140 °F
• Process Temperature, Min: -40 °F
• Response Time: 100 ms
• Sensor Type: Pt1000
• Supply Power Type: DC
• Supply Voltage: 13 to 36 Vdc
• Thermal Effects: ± 0.01%/°C
• Weight: 238 g

Applications

• Building automation system temperature monitoring

Each Unit Includes

• Outside Air Temperature Transmitter (BTT-O25-1)