2 The microprocessor control unit maintains a library of all gas Settings and calibration data, which can be checked at any time. No doubt about it!

The gas search function allows you to quickly determine if any of these hundred gases are present.

4 Included solid state, electrochemical or catalytic bead sensors can provide more powerful options. The IQ-100 can receive and display data from four sensors simultaneously.

Freewheeling data collection can store months of valuable data that can be sent to a printer or personal computer. It also contains "Einstein" data management PC software.

6 Additional functions include:

* Integrated sampling pump * Automatic calibration

* Audible and visual alarm indication *RS-232 port

* Large shoulder-mounted LCD flat display * Carrying case with shoulder strap