Products‎ > ‎

TEL Products (Airflow Monitor)

CONSTANT AIR VOLUME (CAV) AIRFLOW MONITOR : 

AFA 500/MK2

THE AFA500/MK2 MODEL IS AN ENTRY LEVEL FULLY FLUSH AIRFLOW MONITOR THAT IS DESIGNED FOR APPLICATIONS WHERE AIRFLOW VELOCITY INDICATION IS NOT REQUIRED. THE AFA500 IS AVAILABLE WITH EITHER A BUILT IN OR REMOTE AIRFLOW SENSOR AND IS SUITABLE FOR INDUSTRIAL FUME CUPBOARDS, SCHOOLS TYPE FUME CUPBOARDS, CANOPY HOODS, BSC’S AND LEV’S AND INCLUDES THE FOLLOWING FEATURES:-

  • 2 methods of pushbutton calibration that allows the installer to either ‘capture’ the low airflow alarm velocity for installations where the velocity can be reduced for calibration or by using ‘2 point calibration’ to calculate the alarm value by capturing 100 and 150% of the airflow.
  • Audio Visual Alarm – Audible alarm with Red, Amber and Green LED’s.
  • 2 relay inputs that are used for Sash High Alarm (audible/visual alarm with mute) and Night Setback (visual with audible mute).
  • Low air Alarm relay output
  • Com Port – RS485 used with Config manager software for monitor configuration.
AFA 500/MK3

THE AFA500/MK3 MODEL IS AN ENTRY LEVEL FULLY FLUSH AIRFLOW MONITOR THAT IS DESIGNED FOR APPLICATIONS WHERE AIRFLOW VELOCITY INDICATION IS NOT REQUIRED. THE AFA500 IS AVAILABLE WITH EITHER A BUILT IN OR REMOTE AIRFLOW SENSOR AND IS SUITABLE FOR INDUSTRIAL FUME CUPBOARDS, SCHOOLS TYPE FUME CUPBOARDS, CANOPY HOODS, BSC’S AND LEV’S AND INCLUDES THE FOLLOWING FEATURES:-

  • 2 methods of pushbutton calibration that allows the installer to either “capture” the low airflow alarm velocity for installations where the velocity can be reduced for calibration or by using “2 point calibration” to calculate the alarm value by capturing 100 and 150% of the airflow.
  • Audio Visual Alarm – Audible alarm with Red, Amber and Green LED’s.
  • 2 relay inputs that are used for Sash High Alarm (audible/visual alarm with mute) and Night Setback (visual with audible mute).
  • Low air Alarm relay output.
  • Com Port – RS485 used with Config manager software for monitor configuration.
AFA 1000/1/MK2

THE AFA1000/1/MK2 MODEL IS A FULLY FLUSH MOUNTING AIRFLOW MONITOR THAT IS SUITABLE FOR INDUSTRIAL FUME CUPBOARDS, SCHOOLS TYPE FUME CUPBOARDS, CANOPY HOODS, BSC’S AND LEV’S AND INCLUDES THE FOLLOWING FEATURES:-

  • Back lit graphic display with a visual area of 56x27mm showing the airflow velocity (fpm or m/sec) or airflow status (Air Safe / Air Fail). In an alarm condition the display will toggle between the airflow velocity and alarm condition.
  • Audio Visual Alarm – Audible alarm with Red, Amber and Green LED’s.
  • Password protected pushbutton set up and calibration menus with on screen instructions
  • 3 Relay Inputs configurable as:- Night Setback /Alarm Disable / Sash High / External Alarm / High-Low
  • 3 Relay outputs activated by any of the 3 inputs or any of the alarm conditions.
  • Com Port – RS485 for connections to a laptop for diagnostics and configuration of the monitor or for connection via a local Modbus RTU network for remote logging with real time graphical displays using the AFA Network software or for direct connection to a BMS system.
AFA 1000/2/MK2

THE AFA1000/2/MK2 MODEL IS A FULLY FLUSH MOUNTING AIRFLOW MONITOR THAT IS SUITABLE FOR INDUSTRIAL FUME CUPBOARDS, SCHOOLS TYPE FUME CUPBOARDS, CANOPY HOODS, BSC’S AND LEV’S AND INCLUDES THE FOLLOWING FEATURES :-

  • Back lit graphic display with a visual area of 56x27mm showing the airflow velocity (fpm or m/sec) or airflow status (Air Safe / Air Fail). In an alarm condition the display will toggle between the airflow velocity and alarm condition.
  • Audio Visual Alarm – Audible alarm with Red, Amber and Green LED’s.
  • Password protected pushbutton set up and calibration menus with on screen instructions
  • 3 Relay Inputs configurable as:- Night Setback /Alarm Disable / Sash High / External Alarm / High-Low
  • 3 Relay Inputs configurable as:- Night Setback /Alarm Disable / Sash High / External Alarm / High-Low
  • 3 Pushbuttons configurable as :-Fan On-Off / Light On-Off / UV Lights On-Off / Pump On-Off / Purge On-Off
  • Com Port – RS485 for connections to a laptop for diagnostics and configuration of the monitor or for connection via a local Modbus RTU network for remote logging with real time graphical displays using the AFA Network software or for direct connection to a BMS system.
AFA 1000/PR/MK2

THE AFA1000/PR/MK2 MODEL IS A FULLY FLUSH MOUNTING PRESSURE MONITOR THAT IS SUITABLE FOR ROOM OR DUCT DIFFERENTIAL PRESSURE MONITORING AND BSC PRESSURE MONITORING AND INCLUDES THE FOLLOWING FEATURES:-

  • Back lit graphic display with a visual area of 56x27mm showing the pressure (Pascal’s or Ins/wg) or pressure status (Pressure Safe / Pressure Fail). In an alarm condition the display will toggle between the pressure reading and alarm condition.
  • Audio Visual Alarm – Audible alarm with Red, Amber and Green LED’s.
  • Password protected pushbutton set up and calibration menus with on screen instructions.
  • 3 Relay Inputs configurable as:- Night Setback /Alarm Disable / Sash High / External Alarm / High-Low
  • 3 Relay outputs activated by any of the 3 inputs or any of the alarm conditions.
  • Com Port – RS485 for connections to a laptop for diagnostics and configuration of the monitor or for connection via a local Modbus RTU network for remote logging with real time graphical displays using the AFA Network software or for direct connection to a BMS system.
AFA 1000/1/MK3

THE AFA1000/1/MK3 MODEL IS A FULLY FLUSH MOUNTING AIRFLOW MONITOR THAT IS SUITABLE FOR INDUSTRIAL FUME CUPBOARDS, SCHOOLS TYPE FUME CUPBOARDS, CANOPY HOODS, BSC’S AND LEV’S AND INCLUDES THE FOLLOWING FEATURES :-

  • Back lit graphic display with a visual area of 56x27mm showing the airflow velocity (fpm or m/sec) or airflow status (Air Safe / Air Fail). In an alarm condition the display will toggle between the airflow velocity and alarm condition
  • Audio Visual Alarm – Audible alarm with Red, Amber and Green LED’s
  • Password protected pushbutton set up and calibration menus with on screen instructions
  • 3 Relay Inputs configurable as:- Night Setback /Alarm Disable / Sash High / External Alarm / High-Low
  • 1 Relay output activated by any of the 3 inputs or any of the alarm conditions
  • Com Port – RS485 for connections to a laptop for diagnostics and configuration of the monitor or for connection via a local Modbus RTU network for remote logging with real time graphical displays using the AFA Network software or for direct connection to a BMS system
AFA 1000/2/MK3

THE AFA1000/2/MK3 MODEL IS A FULLY FLUSH MOUNTING AIRFLOW MONITOR THAT IS SUITABLE FOR INDUSTRIAL FUME CUPBOARDS, SCHOOLS TYPE FUME CUPBOARDS, CANOPY HOODS, BSC’S AND LEV’S AND INCLUDES THE FOLLOWING FEATURES:-

  • Back lit graphic display with a visual area of 56x27mm showing the airflow velocity (fpm or m/sec) or airflow status (Air Safe / Air Fail). In an alarm condition the display will toggle between the airflow velocity and alarm condition.
  • Audio Visual Alarm – Audible alarm with Red, Amber and Green LED’s.
  • Password protected pushbutton set up and calibration menus with on screen instructions.
  • 3 Relay Inputs configurable as:- Night Setback /Alarm Disable / Sash High / External Alarm / High-Low.
  • 1 Relay output activated by any of the 3 inputs or any of the alarm conditions.
  • 3 Pushbuttons configurable as :-Fan On-Off / Light On-Off / UV Lights On-Off / Pump On-Off / Purge On-Off.
  • Com Port – RS485 for connections to a laptop for diagnostics and configuration of the monitor or for connection via a local Modbus RTU network for remote logging with real time graphical displays using the AFA Network software or for direct connection to a BMS system.


VARIABLE AIR VOLUME (VAV) AIRFLOW MONITOR : 

AFA 1000/E MK2

THE AFA1000/E/MK2 MODEL IS A FULLY FLUSH MOUNTING AIRFLOW VAV CONTROLLER THAT IS SUITABLE FOR INDUSTRIAL FUME CUPBOARDS, SCHOOLS TYPE FUME CUPBOARDS, CANOPY HOODS, BSC’S AND LEV’S AND INCLUDES THE FOLLOWING FEATURES:-

  • Back lit graphic display with a visual area of 56x27mm showing the airflow velocity (fpm or m/sec) or airflow status (Air Safe / Air Fail) with VAV out Bar Graph. In an alarm condition the display will toggle between the airflow velocity and alarm condition.
  • Audio Visual Alarm – Audible alarm with Red, Amber and Green LED’s.
  • Password protected pushbutton set up and calibration menus with on screen instructions.
  • 3 Relay Inputs configurable as:- Night Setback /Alarm Disable / Sash High / External Alarm / High-Low.
  • 3 Relay outputs activated by any of the 3 inputs or any of the alarm conditions.
  • 3 Pushbuttons configurable as :-Fan On-Off / Light On-Off / UV Lights On-Off / Pump On-Off / Purge On-Off.
  • VAV output to control either VAV damper, Venturi valve or Fan Inverter drive.
  • Full PII VAV face velocity set point control with optional sash position sensor input.
  • Com Port – RS485 for connections to a laptop for diagnostics and configuration of the monitor or for connection via a local Modbus RTU network for remote logging with real time graphical displays using the AFA Network software or for direct connection to a BMS system.
AFA 1000/E MK3

THE AFA1000/E/MK3 MODEL IS A FULLY FLUSH MOUNTING AIRFLOW VAV CONTROLLER THAT IS SUITABLE FOR INDUSTRIAL FUME CUPBOARDS, SCHOOLS TYPE FUME CUPBOARDS, CANOPY HOODS, BSC’S AND LEV’S AND INCLUDES THE FOLLOWING FEATURES:-

  • Back lit graphic display with a visual area of 56x27mm showing the airflow velocity (fpm or m/sec) or airflow status (Air Safe / Air Fail) with VAV out Bar Graph. In an alarm condition the display will toggle between the airflow velocity and alarm condition.
  • Audio Visual Alarm – Audible alarm with Red, Amber and Green LED’s.
  • Password protected pushbutton set up and calibration menus with on screen instructions.
  • 3 Relay Inputs configurable as:- Night Setback /Alarm Disable / Sash High / External Alarm / High-Low.
  • 3 Relay outputs activated by any of the 3 inputs or any of the alarm conditions.
  • 3 Pushbuttons configurable as :-Fan On-Off / Light On-Off / UV Lights On-Off / Pump On-Off / Purge On-Off.
  • VAV output to control either VAV damper, Venturi valve or Fan Inverter drive.
  • Full PII VAV face velocity set point control with optional sash position sensor input.
  • Optional Dual Output version with second controlled 0-10v output for Bleed or Room control.
  • Com Port – RS485 for connections to a laptop for diagnostics and configuration of the monitor or for connection via a local Modbus RTU network for remote logging with real time graphical displays using the AFA Network software or for direct connection to a BMS system.
AFA 1000/E-DUAL OUTPUT MK3

THE AFA1000/E/DUAL OUTPUT MK3 MODEL IS A FULLY FLUSH MOUNTING AIRFLOW VAV CONTROLLER THAT IS SUITABLE FOR INDUSTRIAL FUME CUPBOARDS, SCHOOLS TYPE FUME CUPBOARDS, CANOPY HOODS, BSC’S AND LEV’S AND INCLUDES THE FOLLOWING FEATURES:-

  • Back lit graphic display with a visual area of 56x27mm showing the airflow velocity (fpm or m/sec) or airflow status (Air Safe / Air Fail) with VAV out Bar Graph. In an alarm condition the display will toggle between the airflow velocity and alarm condition.
  • Audio Visual Alarm – Audible alarm with Red, Amber and Green LED’s.
  • Password protected pushbutton set up and calibration menus with on screen instructions.
  • 3 Relay Inputs configurable as:- Night Setback /Alarm Disable / Sash High / External Alarm / High-Low.
  • 3 Relay outputs activated by any of the 3 inputs or any of the alarm conditions.
  • 3 Pushbuttons configurable as :-Fan On-Off / Light On-Off / UV Lights On-Off / Pump On-Off / Purge On-Off.
  • VAV output to control either VAV damper, Venturi valve or Fan Inverter drive.
  • Full PII VAV face velocity set point control with optional sash position sensor input.
  • Second Output version with second controlled 0-10v output for Bleed or Room control.
  • Com Port – RS485 for connections to a laptop for diagnostics and configuration of the monitor or for connection via a local Modbus RTU network for remote logging with real time graphical displays using the AFA Network software or for direct connection to a BMS system.
AFA 1000/RM

THE AFA1000/RM MODEL IS A WALL MOUNTING ROOM DIFFERENTIAL PRESSURE CONTROLLER THAT IS SUITABLE FOR CONTROLLING THE SUPPLY AIR INTO A ROOM USING A DAMPER, VALVE OR INVERTER AND INCLUDES THE FOLLOWING FEATURES:-

  • Back lit graphic display with a visual area of 56x27mm showing the room pressure (Pascals or Ins/wg) with VAV out Bar Graph. In an alarm condition the display will toggle between the room pressure and alarm condition.
  • Audio Visual Alarm – Audible alarm with Red, Amber and Green LED’s.
  • Password protected pushbutton set up and calibration menus with on screen instructions.
  • 3 Relay Inputs configurable as:- Night Setback /Emergency / Door switch.
  • 3 Relay outputs activated by any of the 3 inputs or any of the alarm conditions.
  • VAV output to control either VAV damper, Venturi valve or Fan Inverter drive.
  • Full PII VAV differential pressure set point control with optional door switch input.
  • Com Port – RS485 for connections to a laptop for diagnostics and configuration of the monitor or for connection via a local Modbus RTU network for remote logging with real time graphical displays using the AFA Network software or for direct connection to a BMS system.

AFA 1000/BLD

THE AFA1000/BLD MODEL IS A WALL MOUNTING FRESH AIR BLEED CONTROLLER THAT IS SUITABLE FOR CONTROLLING THE VAV SYSTEM DUCT PRESSURE USING A FRESH AIR BLEED DAMPER OR FAN INVERTER DRIVE AND INCLUDES THE FOLLOWING FEATURES:-

  • Back lit graphic display with a visual area of 56x27mm showing the duct pressure (Pascals or Ins/wg) with VAV out Bar Graph. In an alarm condition the display will toggle between the duct pressure and alarm condition.
  • Audio Visual Alarm – Audible alarm with Red, Amber and Green LED’s.
  • Password protected pushbutton set up and calibration menus with on screen instructions.
  • 2 Relay Inputs configurable as:- Night Setback /Emergency.
  • 3 Relay outputs activated by any of the 2 inputs or any of the alarm conditions.
  • VAV output to control either VAV damper or Fan Inverter drive.
  • Full PII VAV differential pressure set point control.
  • Com Port – RS485 for connections to a laptop for diagnostics and configuration of the monitor or for connection via a local Modbus RTU network for remote logging with real time graphical displays using the AFA Network software or for direct connection to a BMS system.
AFA 1000/AHU

THE AFA1000/AHU MODEL IS A WALL MOUNTING PRESSURE CONTROLLER THAT IS SUITABLE FOR CONTROLLING THE DUCT PRESSURE OF AN AHU USING A INVERTER DRIVE AND INCLUDES THE FOLLOWING FEATURES:-

  • Back lit graphic display with a visual area of 56x27mm showing the duct pressure (Pascals or Ins/wg) with VAV out Bar Graph. In an alarm condition the display will toggle between the AHU pressure and alarm condition.
  • Audio Visual Alarm – Audible alarm with Red, Amber and Green LED’s.
  • Password protected pushbutton set up and calibration menus with on screen instructions.
  • 2 Relay Inputs configurable as:- Night Setback /Emergency.
  • 3 Relay outputs activated by any of the 2 inputs or any of the alarm conditions.
  • VAV output to control an Inverter drive
  • Full PII VAV differential pressure set point control
  • Com Port – RS485 for connections to a laptop for diagnostics and configuration of the monitor or for connection via a local Modbus RTU network for remote logging with real time graphical displays using the AFA Network software or for direct connection to a BMS system.
Comments