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FLSW3400-FLSW3500-Series

Variable Area Flow Meters With High or Low Alarm

  • HIGH or LOW Alarms
  • Compact Design
  • Liquid or Gas Applications
  • High or Low Flow Cutoff Applications
FLSW3400-FLSW3500-Series
From  862,24
Variable Area Flow Meters With High or Low Alarm FLSW3400-FLSW3500-Series FLSW3400-FLSW3500-Series
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Product Overview
  • Accuracy ± 2 %
  • Alarm Electronics Enclosure 51.1 x 76.2 mm
  • Alarm modes High, High/Low, Low
  • Buzzer User configurable
  • Digital Connector Type 9 pin Sub-D
  • Dry Contact Closures 2 Normally Open, and Normally Closed Relays 91A, 30 Vdc Maximum
  • Light Immunity Pulse modulated
  • Media Compatibility Air, Water
  • Mounting Panel Mount
  • Number of Tubes 1
  • Operating Pressure, Max 200 psi
  • Operating Temperature, Max 70 °C
  • Operating Temperature, Min 0 °C
  • Power Consumption max 200 mA
  • Process Connection Size 1/8 in
  • Process Connection Type NPT Female
  • Repeatability 0.50%
  • Reset Reset button or remote through “D” -connector, to disable relay or buzzer
  • Response Time 500 ms
  • Scale Direct Read
  • Source of Light 65 mm, Red LED
  • Supply Current 250 mA
  • Supply Power Note 12 Vdc, 15 Vdc maximum, 250 mA regulated, peak to peak maximum 100 mV
  • Supply Voltage 15 Vdc
  • Valve Included true
The 150 mm High/Low Alarm Flow Meter with Optical Sensor Switch is a noninvasive means for detection of a HI or LOW flow. This sensor is ideal for signaling an alarm, cutoff valve, or other device when the float passes the detector (alarm, valve, etc. not included).
The FLSW Series helps protect your processes and equipment from damage caused by extreme flow rates. Its compact design and ease of operation make it a unobtrusive, simple-to-use addition to your flow meter.
This meter is perfect for OEM applications. Use whenever maximum or minimum flow levels need to be monitored automatically.
The FLSW Series also can be used in conjunction with a control relay to power alternate equipment or monitoring devices.
Principle of Operation
A small, LED sensor and receiver are mounted on one side of the flow meter. The float inside the flow tube is detected as it passes across the beam of light. Sensor can be used to detect float passage beyond the setpoint of the sensor. It can also be set to monitor float position at a specific level, signalling when float is outside of the range of the sensor light beam.
DIP Switches are located next the the 9-pin D connector. In order to activate the alarm sensors the corresponding switch has to be in the “ON” position on the DIP switch. The relay output or the buzzer or the green LED can be separately set for momentary or latch operation. If for example DIP Switch SW1 is set to “ON”, when the left sensor is active, the relay and the green LED will be energized in the latch mode. It will remain latched until the RESET button is pressed or external RESET TTL signal is applied.
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