` FarSight Non-contacting Velocity Measurement

Pulsar Measurement

FarSight Non-contacting Velocity Measurement

Providing the highest confidence in challenging velocity measurement applications while maintaining maximum performance

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Providing the highest confidence in challenging velocity measurement applications while maintaining maximum performance. Versatile and robust enough for applications in environmental, water and wastewater, and general industrial markets.

High Performance, Non-Contact Velocity Sensors
With excellent low velocity measurement capabilities, enhanced beam-width, built-in tilt compensation, rainfall interference discrimination, and low-power consumption with Modbus output, the Pulsar Measurement FarSight is the right choice for demanding remote or mains-powered velocity applications. 
Tried and Tested
Specifically designed with global challenging weather conditions in mind, the FarSight velocity sensor has been tried and tested in a wide range of climate conditions, including UK tropical storms Dudley, Eunice, and Franklin. With no loss of data recorded, the FarSight provided repeatable and accurate results thanks to its more powerful signal processing and rainfall discrimination system. 
Easy to Install and Use
Skill and resource requirement from installation is minimized thanks to the built-in tilt sensor which auto-mitigates user error in installation angle. With the standard Modbus output, the FarSight is compatible with both third-party RTU's or Loggers as well as controllers from Pulsar Measurement like the FlowCERT and The Ultimate Controller. The FarSight can be used with continuous power, or at longer intervals to reduce power consumption when connected to a logger. 

Enhanced Measurement Capabilities
The FarSight can be mounted as far away as 15 meters (49 feet) from the water surface, making it great for applications where the mounting location can't be changed, like river flows underneath a bridge. The measurement area of the sensor can be as large as 3 meters (9.8 feet), which means less sensors are required for measuring the velocity across wider channels. The FarSight is the right choice for applications with variable flow rates thanks to the ability to measure velocities as low as 0.2 meters per second (0.66 ft/s). 

• Non-contacting
• Designed for challenging applications
• Excellent low-velocity measurement capabilities
• Can be installed further from fluid surface
• Large measurement area
• Modbus output for Pulsar Measurement controllers or third-party RTUs or loggers
• Built-in tilt compensation
• Free configuration and diagnostic software
• 45-degree mounting bracket option

Measurement Method Non-contact radar velocity
Radar Frequency 24 GHz (K-Band)
Materials PVDF body, valox 357 cap and submersion shield
Mounting 1-inch BSP rear thread with BReez adaptor
Optional mounting brackets also available
Cable 5-core, screened, max 500 m (1,640 ft) separation from controller / RTU / Logger
Operational Range Up to 15 m (49 ft) vertical height from target
Velocity Range 0.2 m/s to 6 m/s (0.66 ft/s to 19.7 ft/s) in most applications. Performance may vary depending on application
Accuracy 1.5% or 0.05m/s (0.016 ft/s), whichever is greater
Width of Meas. Area Up to 3 m (9.8 ft)
Tilt Compensation Electronic, for 30 to 50 from horizontal, standard
Ingress Protection IP68 / NEMA6P
Ambient Process and Connection Temperature -40C to +80C (-40F to +176F)
Output Modbus RTU via RS485
Operating Voltage 10 to 28 VDC
Power Consumption 0.42W when on, with support for complete power shutoff when connected to RTU or logger

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