Teledyne 7500ZA - Infrared Gas Analyzer - Manual (Page 116)

Specifications Model 7500ZA
Teledyne Analytical Instruments 100
Zero gas ; Dry air or atmospheric air (Do
not use with CO
2
measurement)
Span gas ; For other than O
2
measurement,
each sample gas having
concentration 90 to 100% of its
measuring range.
For O
2
measurement, O
2
gas of
1 to 2 vol% /remainder N
2
gas
2) Reverse range O2 measurement
Zero gas; 100vol% O2
Span gas ; For O2 measurement, O
2
gas of
95.0%~95.5vol%/ remainder
N
2
gas
*For reverse range O
2
measurement,
infrared measurable component is not
measurable.
9.1.7 Installation Requirements
• Indoor use (Select a place where the equipment does not receive
direct sunlight, draft/rain or radiation from hot substances. If
such a place cannot be found, a roof or cover should be prepared
for protection).
• Avoid sites where unit receives heavy vibration.
• Select a site where atmospheric air is clean