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STAND ALONE AIR FLOW SENSOR

Ventilation systems onboard ships supply and remove air to / from spaces throughout the ship. In this way, these systems control breathable air quality and protect personnel and sensitive equipment against potentially dangerous atmospheric pollutants, fires, explosions and excessive heat. For these reasons, airflow monitoring is important and critical, just as critical and important is the reliability and quality of the airflow sensor used for this purpose.

Models 0101, 5101, 5201

This compact air flow sensor is specially designed for air flow monitoring and protect against the loss of airflow where it is necessary to recognize the loss or reduction of airflow providing early warnings. Its compact housing style fits easily into ventilation systems and features an adjustable potentiometer to establish a setpoint. A LED provides visual indication when flow is above or below the setpoint. This airflow sensor is based on the calorimetric principle and is an inexpensive alternative for mechanical flaps and pressure cells. All components of the airflow sensor are incorporated in a compact smooth cylindrical plastic housing. The airflow sensor has a built-in timer that serves as a switch-on delay for the fan or ventilator. During this time the output is closed, the relay is energized which is also visually displayed by means of a simultaneous lighting of a red and a green LED. The switch point can be set by means of a potentiometer and is indicated by a red or green LED. In the case of no flow the red LED lights. If the green LED does not light, the output relay is de-energized. When the airflow monitor detects flow the red LED goes out, the green one lights and the output relay is energized. The output signal is available as a floating NO contact. The length of the airflow monitor allows a maximum immersion of 120 mm into the air duct. It is installed by means of a mounting clamp which is secured to the duct via two self-tapping screws. The airflow sensor can also be used for industrial airflow monitoring, since during the design of the sensor part special emphasis was put on the protection of the PTC`s against mechanical destruction by solid particles in the medium. The PTC`s are included in the sensor head and are protected against mechanical damage from outside by means of flush mounted metal plates. The metal plates also provide a good heat contact to the medium.

Applications
Ventilation Duct Air Flow Monitor
Fan monitoring
Damper feedback
Filter monitoring
Clogged filters
Air handlers
Cabins
Engine Rooms

Operating voltage: 24 V DC (model 5101) 80~250 VAC/DC (model 0101)
output: Relay output, N/O (relay on with flow present) Medium temperature: -10 to +50C
Setting range (cm/s): 100…..100 m/s
Function display: 2 LEDs (1 red & 1 green)
Response time (s): 3...60
Protection rating: IP65
Housing Body & sensor head: POCAN
connection: 2m PUR 4 x 0.5mm2
Pressure rating (bar) 1
Dimensions L140 x 23mm dia.

ORDERING INFORMATION
0630-5101 Model 5101: 24 DC V, Setting range 100...1000 cm/s, switching signal
0630-0101 Model 0101: 80...250 AC / 90...250 DC V, Setting range 100...1000 cm/s, switching signal

Analogue output model
Operating voltage 24 V DC + 10%
output 0...10V analogue
Medium temperature 35...65C
flow range (cm/s) 200…..2000 (1...10V)
Function display 1 green LED
Power On delay (s) 90
Protection rating IP65
Housing Body & sensor head POCAN
connection Cable with Binder plug /
2m ; 4 x 0.5mm2
Pressure rating (bar) 1
Dimensions L140 x 23mm dia.
ORDERING INFORMATION
0630-5201 Model 5201: 24 DC V, flow range 200...2000 cm/s, 0-10V analogue signal

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