FS10A analyzer and flow switch/monitor has received FM Div. I/Zone 1 approval on remote probe configurations. It has low-flow sensitivity, relay alarm trip point, analog output, RS232 interface and thermal-dispersion flow sensing. FS10A has no cavities, orifices or dead legs, and its flow sensor has no moving parts. Standard configurations include 1/8-, 1/4-, 3/8- and 1/2-in. tubing and an SP76 adapter.