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11 • General Technical Data
80114-770_V23802
2021-01
Chapter 11
General Technical Data
Connections
Low voltage Via VIO 3 electrosurgical unit
HF Via VIO 3 electrosurgical unit
Grounding terminal 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 / -187.6 °F
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 causing 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. output pressure 2 x 10
5
±2 x 10
4
Pa 2 ±0.2 bar 29 ±2.9 psi
Adjustable gas flow 0.1 - 8 l/min limited by the respective instrument connected,
settable in 0.1 l steps
Tolerance of the nominal flow ±20% (in the range 0.1 - 8 l/min)
Purge flow Instrument-dependent (corresponds to the setpoint flow,
which is currently connected)
Purge time Factory setting: 3 sec.
If you use a compressed gas bottle, the residual volume dis-
play is activated at
25 x 10
5
Pa 25 bar 362.6 psi ±7.5 FS
1
1
Tolerance in relation to the entire measuring range of the
bottle pressure sensor
Residual volume display VIO display
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