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Chapter 10
Specifications
10.1 Operating environment
CAUTION
• Meeting operating environment specifications does not constitute any guarantee against
damage to or malfunction of this equipment.
Operating
temperatures
Insertion tube In air:
IV84,86 series : -25 to 100°C (LX)
: -25 to 80°C (LT)
IV88 series : -25 to 80°C (LX, LT)
In water:
10 to 30°C
Other parts than
above
In air: -10 to 40°C (Battery-powered operation)
0 to 40°C (AC adapter-powered operation)
Operating
atmospheric
pressure
Insertion tube In air:
1013 hPa
Underwater:
IV84,86 series : 1013 to 1368 hPa
IV88 series : 1013 to 2026 hPa
Other parts than
above
In air: 1013 hPa
Operating
environment
humidity
All parts 15 to 90% (Relative humidity)
Liquid
resistance
Insertion tube No trouble when exposed to machine oil, light oil or 5% saline solution.
Other parts than
above
Waterproofing Insertion tube Waterproof construction. Can be used underwater with the optical adapter
attached. However, stereo measurement cannot be done underwater.
Other parts than
above
Rain-proof construction. Do not use this instrument underwater. However, it
is not rain-proof when the battery cover and others are open.
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