Technical Specifications

Microcontroller based Air flow volume measurement device with specially constructed venturi sensor, measurement against set point and indication of high or low value. Alert with audio visible alarm when out of range of velocity and for the reverse direction airflow. The device is with glass front and features touch buttons interface and relays for controlling light and exhaust fan contactor. The illuminated digital OLED display 1.3 inch shows the operating status and the air flow volume as a numeric value in SI and Imperial system.

Technical features:

Display – Illuminated OLED, 1.3inch

Visual Indication – Bright LED Green and Red

Audible Indication – 60dB sound level

Input – 4 capacitive touch button input for Menu, Mute, Up/Down & Light

Power supply – 230V AC power adaptor, Power usage – 24VDC 1A

Display unit – SI (MKS) CMH & Imperial (FPS) CFM

Measurement type – Specially Constructed Venturi

Measurement range – 100 to 10,000 CMH

Measurement list count – 1 CMH or 1 CFM

Velocity accuracy – 3% FS*

System repeatability – 3%*

Response time – 1 seconds (truncated)

Alarm silence – Temporary, programmable duration

Alarm repeat – Repeated alarm with programmable time

Calibration adviser – 4000hrs preset, programmable & resettable

Touch Control – Light, On & Off thru contactor relay 1A

Communication – Airflow VOlume analogue output 0(2)-10V or 4-20mA optional

Buzzer volume – High & low user settable

Mounting – Semi flush, M3 screws

Size - please refer drawings

Operating temperature – 15°C to 40°C

Storage temperature – 10°C to 60°C

Operating Humidity – 25% to 75% RH

CE Certified

* As tested in laboratory and with calibration compensation

Please ask for detailed catalog and O&M Manual at info@syannlab.com.