Rotronic AF1 - FLOW MEASUREMENT TRANSMITTER

Air velocity measurement made easy.

The AF1 series is a cost-effective, high-precision and stable transmitter for measuring air velocity and temperature. The devices have a calorimetric sensor and outstanding long-term stability. The measuring range and the output signals can be configured easily with a Software or using the integrated DIP- switches.

Features:

High degree of stability and repeatability

Compact design

The outputs and measuring ranges can be configured using DIP switches

Simple mechanical installation

Outstanding price/performance ratio

Ideal for HVAC applications

Modbus RTU via RS485

DEVICE TYPE: Transmitter / air flow rate

PARAMETERS: - Air velocity

- Temperature

RANGE OF APPLICATION: 0...50 °C (housing)

0...80 °C (medium)

ACCURACY: ±3.0 % full-scale

with 23 °C ±3 K, 45 %RH, 1013 mbar

INFLUENCE OF INSTALLATION POSITION: <3 % of measurement with <10°

MEASUREMENT PRINCIPLE: Calorimetric

MEASUREMENT RANGES: 2 m/s; 5 m/s; 10 m/s; 15 m/s; 20 m/s

PRESSURE RESISTANCE: 10 bar

JUMP RESPONSE: τ90 after 3 s

MEDIUM: Air and non-aggressive gases

POWER CONSUMPTION: 8…35 VDC or 12…30 VAC 50/60 Hz

<200 mA

ELECTRICAL CONNECTIONS: Screw terminals

CABLE GLAND: M12 x 1.5 (Ø cable 3…6.5 mm)

MEASUREMENT INTERVAL: 1 s

CIRCUIT TYPE: 3-wire

ANALOG OUTPUTS: 1

ANALOG OUTPUT SIGNAL (STANDARD): 4…20 mA or 0…10 V

PERMISSIBLE LOAD: >10 kΩ (voltage output)

<500 Ω (current output)

COMMUNICATION INTERFACES: RS-485

HOUSING: Polycarbonate

IP PROTECTION RATING: IP65

MOUNTING: Sensor at 90° angle to flow

CONFIGURATION: Via integrated DIP switch

CE / EMC CONFORM: EMC Directive 2004/108/EC

STORAGE AND TRANSPORT CONDITIONS:-20...60 °C

DIMENSIONS: 105 x 70 x 32 mm

Datasheet