Interscan 4280-19.99m Portable hydrogen cyanide gas detector (PPM) Portable Hydrogen Cyanide Gas Analyzer with a measuring range of 0-19.99 ppm Featuring
3.5 digit LCD display
Integral sample pump
Plug-in charger
User-adjustable alarm, activating audible and visual alarm
0-100 mV analog output
Cordura carrying case with adjustable 12 inch (30.5 cm) shoulder strap
Teflon sample probe
Accuracy: ± 2.0% of reading, ± 1 least significant digit
Other measuring ranges available