Owner's manual

Handheld Hydrogen Leak Detector Model 2240
Teledyne Analytical Instruments Page 4 of 30
Specific Model Information
This instrument is specifically designed to measure hydrogen
in air. Using this instrument to analyze any other gas mixture may
result in serious error. Consult the factory for additional
information for gas analysis not specified at the time of purchase.
Instrument Serial Number: _______________________
Instrument Range: _______________
Calibrated for: _______________
Background Gas: _______________
Zero Gas: _______________
Span Gas: _______________