50
9 Specifications
9.1 Operating environment
• Meeting operating environment specifications does not constitute any guarantee against damage to or
malfunction of the instrument.
• Use AC adapter and battery charger indoors (normal temperature).
9.2 Main specifications
Operating temperatures
Insertion tube
In air: -25 to 80°C
In water: 10 to 30
°C
Parts other than
the insertion tube
In air: -10 to 40°C (battery-powered operation)
0 to 40
°C (AC adapter-powered operation)
Operating atmospheric pressure
Insertion tube In air: Normal pressure (1,013 hPa)
In water: 1,013 to 1,135 hPa
Parts other than
the insertion tube
In air: Normal pressure (1,013 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.
Parts other than
the insertion tube
Waterproofing
Insertion tube Waterproof construction. Can be used underwater.
Parts other than
the insertion tube
Drip-proof construction. Use in water is not supported. The instrument is not drip-proof
if the battery cover, video connector cap, or AC adapter connector cap is open.
Optical system
Field of view
80°
Direction of view Forward
Depth of field 3 mm to 70 mm
Illumination Light from the white LED in the control unit is guided to the distal end via the light guide.
Distal end
Outer diameter Less than 2.4 mm.
Distal end rigid
section length
10 mm
Angulation
135°
* In UP and DOWN directions (when insertion tube is straight)
Flexible section
Flexibility Fixed hard tube from the distal end to the control unit.
Outer diameter Less than 2.4 mm.
Total length 1.2 m