5VORTEK Doc.# VT5 OM 050499, Rel. 2.1
1.2 Specifications
Sensors and Probes
Sensor Type: Vortex shedding
Velocity Range: 350 to 9500 FPM
Probe bar Length: 8" to 72"
Probe bar Configuration: Rectangular, Round, Oval, Fan Inlet
Materials of Construction; Standard:
Mounting Plate: Galvanized steel
Probe bar: Extruded aluminum
Sensor Assembly: Aluminum and ABS
Miscellaneous: EPDM finishing strip
Materials of Construction; Fume hood:
Mounting Plate: Stainless steel
Probe bar: CPVC
Sensor Assembly: CPVC and ABS
Materials of Construction; Stainless steel: (High Temp.)
Mounting Plate: Stainless steel
Probe bar: Stainless steel
Sensor Assembly: Stainless steel
Probe bar Support: Mounting Flange Plate and Threaded Rod w/nuts
Sensors Per Probe: 1 to 6 per Bar
Number of Probe bars per Transmitter: 1 to 4 (16 sensors maximum)
Operational Temperature: -20 to 200°F, (160°F for CPVC)
320°F maximum for high temperature
Weight: Function of probe configuration
Transmitter Electronics
Input: One to Sixteen sensors
Output: 4-20mA, fully isolated; 1-5VDC ; 2-10 VDC
Load Capability: 650 ohms
Voltage: 20-28VAC, 60 Hz
Power: 8 VA, .33 amps at 24 VAC
Probe bar Connections: Plug-in cable, Plenum Rated,10 ft. provided
(longer available as a special option)
Calibration: Adjustable from 0 to 7000 for ducts; 0 to 9000 for inlets
Operational Temperature: 0 to 140°F
Frequency Conversion Error: less than ±0.25% FS (8 sensors)
Temperature Error: less than ±0.5% over 25 to 125°F
Signal Damping: 2 or 4 seconds, selectable
Setup & Diagnostic Controls: Zero check, sensor check, Internal Cali
bration Standard: 122 Hz
Dimensions: 7.5" x 7.5" x 3.5" (WxHxD)
Weight: 5 lbs
Mounting: Surface mount for wall, duct, or panel
Chapter 1 Operation
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