Measuring 19 x 14.25 x 5.25 in. and weighing less than 20 lb, Series 9000 has active range from less than 10 ppb on high sensitivity version and up to 100% as methane on percent level version. Standard outputs include alarm and fault relays, 0–20 mA or 4–20 mA analog, or RS232/Ethernet. FlowGuard electronic control of fuel/air and sample delivery to flame ionization detector, with automatic ignition, ensures safety.