Variable Area Flow Meter with Alarm

FLSW3400-A and FLSW3500-A Series

^TWD27,820 FLSW3405ST-A

PLACE ORDER

HIGH or LOW Alarms
Compact Design
Liquid or Gas Applications
High or Low Flow Cutoff Applications
Dip Switch Configurable Buzzer, Relay, and LED

Variable Area Flow Meters & Switches - View related products

Description

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.

SPECIFICATIONS
Accuracy: ±2% of full scale
Repeatability: 0.5% of full scale
Ambient Temperature: 0 to 70°C (32 to 158°F)
Maximum Pressure: 200 psig
Connections: 1/8" FNPT
End Blocks: Aluminum or 316 Stainless Steel
Elastomers: Buna & FKM (Aluminum), FKM (316SS)
Tube: Borosilicate
Floats:Glass or 316 Stainless Steel or Tantalum
Input Power: 12 Vdc, 15 Vdc maximum, 250 mA regulated, peak to peak maximum 100 mV
Power Consumption: Less than 200 mA
Response Time: 500 milliseconds
Source of Light: 65 nm, red LED
Light Immunity: Pulse modulated
Dry Contact Closures: 2 normally open, and normally closed relays 91A, 30 Vdc max.)
Alarm Options: High, Low or High/Low
Buzzer: User configurable, momentary or latch through DIP switch setting
Reset: Reset button or remote through “D”-through “D”- connector, to disable relay or buzzer
Interface: 9-pin “D”-connector
Optional: 12 Vdc power supply, tripod base
Dimensions:
Alarm Electronics Enclosure: 51.1 x 76.2 mm (2.01 x 3.00")
Enclosure #2 with Phone Plug: 30.5 x 14.2 mm (1.2 x 0.6")

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Part Number/Desc.

Qty

Description

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Float Material noted in model number:
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Accessories

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Audible alarm

† All prices on this site are shown in Taiwan Dollars.
Note: Comes complete with operator's manual.

For NIST calibration for air, add suffix "-NIST AIR" to the model number, add $200 to price.

For NIST calibration for water, add suffix "-NIST WATER" to model number, add $215 to price.

For oxygen cleaning add suffix "-O2 CLEAN" to the model number, add $125 to price.

(OPTIONS SHOWN IN THIS "NOTE" ABOVE ARE PRICED IN US$)

Ordering Example: (1) FLSW3405ST-A aluminum Variable Area Flow Meter with a maximum air flow 814 ml/min and a maximum water 20.4 ml/min, TWD27,820