
Environmental
A-7
Environmental
Operating Temperature Range
- 40 to + 60 °C (- 40 to +140 °F)
Operating Humidity Range
0 to 90% RH non-condensing
Temperature Sensitivity
<±
0.03 dB
@ 1 kHz from - 40 to + 60 °C (- 40 to +140 °F)
Humidity Sensitivity
<±
0.03 dB
@ 1 kHz from 0 to 90% RH non-condensing at 40 °C (104 °F)
Electromagnetic Compatibility
Europe
The Model 2221 complies with the European Community EMC Directive (2004/108/EC) and also the
Low Voltage Safety Directive (2006/95/EC) by meeting the following standards:
• IEC61326-1:2005: Electrical equipment for measurement, control and laboratory use - EMC
requirements.
•IEC61000-4-2:2008 Electrostatic discharge (ESD) immunity.
±
4
kV contact discharges and
±
8 kV air discharges.
•IEC61000-4-3:2006 Radiated, radio frequency, electromagnetic field immunity. 26 MHz to 1
GHz at 10 V/m, 1.4 GHz to 2 GHzat 3 V/m, 2.0 GHz to 2.7 GHz at 1 V/m with 1 kHz 80%
AM.
•IEC61000-4-4:2004 Electrical fast transient (EFT)/burst immunity.
±
2 kV (5/50 ns, 5 kHz).