Dwyer Company Headquarters is in Michigan City, Indiana. Dwyer uses advances computer modeling software to simulate real world situations, creating more accurate measurement techniques in our products. Innovative product designs have been recognized by industry experts, including ACHR Dealer Design Awards in the Testing and Monitoring category for 2014 and 2015. Dwyer has invested in state of the art research and development facilities for best in class product testing and verification. Dwyer has a long history of innovation in designing and manufacturing our own measurement sensors that provide superior product performance.
Dwyer Model TDFT Thermal Dispersion Flow Transmitter | Descriptions
Flow includes Flow Transmitters, Flow Sensors, Flowmeters, Sight Flow Indicators and Water Meters. Mass Flowmeters, Controllers, Flow Indicators and Controllers are ideal for measurement of flow rates. Flow Switches come as paddle, thermal, piezo, and shuttle/piston. Flow Switch Sensors with an electrical contact output at a specific flow rate have different types of switches, which are paddle, thermal, piezo, and shuttle/piston.
Thermal flow switches are sensors with an electrical contact output at a specific flow rate. Dwyer models provide a complete system for leak detection and feature a selectable NO or NC operation. Applications include chillers, hot water heaters, and liquid transfer systems. The Model TDFT Thermal Dispersion Flow Transmitter has continuous frequency output. It fits applications with pipe sizes from 1/2" to 2" (12.7 to 50 mm) and features 316L stainless steel housing for use in harsh environments.
Features
- Flow measurement in low flow applications
- Continuous frequency signal from measured flow velocity
- Low pressure drop
- No moving parts
Application
- Chiller systems
- Boiler systems
- Liquid transfer systems
Specification
Service | Compatible water-based fluids. |
Wetted Materials | 316L SS. |
Range | 1-3 ft/s (0.05-0.7 m/s). |
Repeatability | ±10% at 68°F (20°C). |
Temperature Limits | Ambient: -4 to 158°F (-20 to 70°C), Process: 14 to 140°F (-10 to 60°C), Storage: -40 to 158°F (-40 to 70°C). |
Pressure Limit | 362 psi (25 bar). |
Response Time | 1 to 10 seconds. |
Power Requirements | 24 VDC. |
Current Consumption | <50 mA. |
Electrical Rating | 80 mA. |
Output Frequency | 5 to 74 Hz. |
Electrical Connections | 1 x M12. |
Process Connection | ½” NPT. |
Enclosure Rating | IP67. |
Housing Material | 316L SS. |
Mounting Orientations | Horizontal or vertical. |
Weight | 0.274 lb (124.5 g). |
Agency Approvals | CE. |
Ref: dwyer-inst.com
Download Data Sheet: Model TDFT Thermal Dispersion Flow Transmitter
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