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4 • Technical Data
80116-276_V24169
2022-01
CHAPTER 4
Technical Data
Connections
Low voltage via VIO electrosurgical unit
HF via VIO electrosurgical unit
Terminal for potential equalisation yes
Gas specification
Type of gas Argon
Argon minimum purity Argon 4.8 (99.998% purity) or higher, e.g. argon 5.0.
Density (relative; air = 1) 1.38
Critical temperature –122 °C
Color Colorless gas
Odor No warning by smell
Concentration of explosion limit (vol. % in air) Non-combustible
Special risks Heat/fire can result in an increase in pressure caus-
ing the pressure gas bottle to explode! Gas in high
concentrations can be suffocating!
Gas-specific unit data
Input pressure (5 ± 2) x 10
5
Pa 5 ± 2 bar 72.5 ± 29 psi
Max. discharge pressure 2 x 10
5
± 4 x 10
4
Pa 2 ± 0.4 bar 29 ± 5.8 psi
Variable gas flow 0.1 - 8 l/min limited by the instrument attached,
adjustable in 0.1 l increments
Tolerance of the rated flow (in range 0.2 - 5 l/min) ± 20 %
Purging flow Depending on the instrument (corresponds to the
setpoint flow of the instrument which is currently
connected)
Purging time 3 sec.
If you use a gas bottle, the residual volume display is
activated at
7 x 10
5
P a 7 bar 101.5 psi
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