Airflow monitors

The AFA 4000 series offers all the functions and reliability of the TEL digital airflow monitors with a sleek, modern design that improves the user experience and offers enhanced options for visual indicators of fume hood airflow conditions. It is configurable with all the installation options of the AFA 1000 series.

Downloads: Brochure | Manual

This entry level monitor is suitable for applications where airflow velocity indication isn’t needed. The AFA500 is available with either a built-in or remote unique airflow sensor that is used to measure face or duct velocities. Night setback and sash sensor inputs and remote alarm output are standard functions. Available fully flush (MK2) or semi flush (MK3).

Downloads: Brochure | Manual | Troubleshooting Guide | Mute Guide

Contact HSE for information about intrinsically safe and explosion proof applications.

This digital airflow monitor is ideal for applications where users require a face velocity reading, input/output relay functionality and a range of customizable settings and parameters. With a range of remote, unique airflow sensors to measure face or duct velocities available, the AFA1000/1 offers great flexibility and reliability. Available fully flush (MK2) or semi flush (MK3).

Downloads: Brochure | Manual | Block Diagram | Troubleshooting Guide | Mute Guide | Demonstration Video

Contact HSE for information about intrinsically safe and explosion proof applications.

This airflow monitor adds pushbutton functionality to the AFA1000/1. It’s available with a range of remote unique airflow sensors used to measure face or duct velocities. We can supply either fully flush (MK2) or semi flush (MK3) options.

Downloads: Brochure | Manual

The reliability and simplicity of the AFA 500 fume hood monitor also is available as a bio-safety cabinet alarm through the use of a duct-mounted velocity probe. This monitor uses a single-point, push-button calibration process and automatically establishes an alarm point at 80% of captured flow.

Downloads: NSF Documentation | Brochure

A local exhaust ventilation (LEV) monitor will provide you with reassurance that your system is maintaining flow-rate. If flow-rate falls, this monitor will alert operators immediately, ensuring your employees are safe. It can be fitted to ducting or an LEV extraction device for peace of mind.

Downloads: Brochure | Installation Guide | Specification Guide

Intended for use in laboratories classified as a hazardous location, this “explosion-proof” alarm continuously monitors the negative static pressure in a fume hood exhaust duct.  All electrical housings are UL or FM approved for Class 1, Div 1, Groups B, C and D. Two buzzer options are available — Class 1, Div 2 or Class 1, Div 1. Customers should specify which buzzer when requesting a quote.

Downloads: XPA Specification text for Section 11610 Laboratory Fume Hoods document | Installation/Operation Manual