A small 12V module used to detect low airflow in laboratory Fume cupboards. Sensitive to low air flow with volts free alarm output and adjustable alarm threshold. Interfaces to the Cupboard duct work using standard 20mm diameter duct.
A DIN rail mountable module powered by a 240V to 12V plug-pack offering fully isolated 0-10V inputs to a averaged single 0-10V output. The module can be cascaded so that more than 4 inputs can be combined into a single 0-10V output.