FS5020 Flow transducer for duct, laminar airflow and temperature, active output (0-10V or 4-20mA)
FS5020 Flow transducer for duct, laminar airflow and temperature, active output (0-10V or 4-20mA)
FS5020 Flow transducer for duct, laminar airflow and temperature, active output (0-10V or 4-20mA)
FS5020 Flow transducer for duct, laminar airflow and temperature, active output (0-10V or 4-20mA)

FS5020 Laminar Duct Air Flow and Volumetric Flow + Temperature Transmitter (0-10 V or 4-20 mA output)

Reference: FS5020 - Manufacturer: Fuehler Systeme
  • 0-5 m/s, 0...+50°C
  • 0-10 V, 4-20 mA
  • LCD display, relay
  • 5 scales per device
Select Model
 

The flow transmitter FS5020 detects the laminar air flow and the temperature in air ventilation ducts. The transmitter converts the measurement values into a linear 0-10V or 4-20mA output for further processing.
As an option, a potential-free changeover contact and / or a backlit LCD display are available.
The content of the backlit display can be rotated by the menu in 90 ° increments. The actual value, the set switching threshold, the relay status, the MIN / MAX measured values of the selected interval, etc. can be read off.
The airflow sensor works according to the calorimetric measuring principle and has 5 freely selectable scalings, which can simply be switched over as required by innovative DIP-switch technology.
In addition, the switching threshold, hysteresis etc. can be specified.

Measuring principle

calorimetric measuring method

Measurement range flow

0-5 m/s

Scales

0-1 m/s, 0-2 m/s, 0-3 m/s, 0-4 m/s, 0-5 m/s

Measurement range temp.

0...+50°C

Accuracy

±0,3 m/s + max. ±4% FS (@ 20°C, 45% r.H., 1013 mbar), ±0,5 K (@ 20°C, > 1 m/s)

Temperature dependency

±1% FS / 10 K

Long term stability

±1% FS/year, ±0,2 K/year

Response time (t90)

> 4 s @ 10 m/s

Running-in time

< 30 s at initial operation because of tempering

Output attentuation

5 s

Supply voltage

24 V AC/DC

Current consumption at 0-10 V

Ø 100 mA

Current consumption at 4-20 mA

< 140 mA

Current consumption at relay

< 120 mA

Analogue output 0-10 V

3-wire connection, min. load resistance 100 kOhm

Analogue output 4-20 mA

3-wire connection, max. RLoad(Ohm) = 300 Ohm

Alarm output

1 x potential-free change-over contact, 48 V, 1 A

Hysteresis

5% Span, adjustable with display devices

Electrical connection

screw terminals max. 1,5 mm²

Housing

Polycarbonate PC UL 94 V0 with hinge locks, color signal white similar to RAL 9003

Cable gland

PG11 high-strength cable gland with strain relief

Display

optional 2-line LCD-Display, to display the measured values on location

Material

Protection tube: stainless steel VA 1.4571

Protection type

Housing/electronic: IP65, Sensor: IP30

Protection class

III

Working range

0,3-20 m/s

Working temperature

-20...+60°C

Storage temperature

-20...+50°C

Installation

mounting flange (in scope of delivery)

Approvals

CE, EAC, RoHS

REF.  

Flow

Temperature

Output

Equipment

FS5020-I-F1-DR

0-5 m/s

-

4-20 mA

Display, Relay

FS5020-I-F1-R

0-5 m/s

-

4-20 mA

Relay

FS5020-I-F1T1-DR

0-5 m/s

0...+50°C

4-20 mA

Display, Relay

FS5020-I-F1T1-R

0-5 m/s

0...+50°C

4-20 mA

Relay

FS5020-U-F1-DR

0-5 m/s

-

0-10 V

Display, Relay

FS5020-U-F1-R

0-5 m/s

-

0-10 V

Relay

FS5020-U-F1T1-DR

0-5 m/s

0...+50°C

0-10 V

Display, Relay

FS5020-U-F1T1-R

0-5 m/s

0...+50°C

0-10 V

Relay

FS5020-X-F1-R

0-5 m/s

-

-

Relay
The Sensor measures:
Laminar Air Flow & Temp.
Output Signal:
0-10 V or 4-20 mA
Power Supply:
24 Vdc
Sensor for use in:
Indoor

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