75
9 Specifications
9.1 Operating environment
Operating temperatures
Insertion tube In air:
-25 to 100 °C (RX)
-25 to 80 °C (RT)
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:
Normal pressure (1,013 hPa)
In water:
IV94 series 1,013 to 1,368 hPa (up to water depth 3.5 m)
IV96 series 1,013 to 1,772 hPa (up to water depth 7.5 m)
Other parts than above 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.
Other parts than above
Waterproofing
Insertion tube Waterproof construction. Can be used underwater with the optical adapter attached.
The stereo measurement cannot be carried out underwater.
Other parts than above Water resistant proof construction. Use in water is not supported. The instrument is
not water-resistant if the battery cover and others are open.
● Meeting operating environment specifications does not constitute any guarantee against damage to or
malfunction of this equipment.
● Use AC adapter and battery charger indoors (normal temperature).
9.2 Other specifications
Optical system
For optical adapter specifications, see "9.3 Optical adapter specifications" (P. 79).
Illumination Light from the white LED in the control unit is guided to the distal end via the light
guide.
Distal end
Outer diameter IV94 series: Φ4.0 mm
IV96 series: Φ6.0 mm
Distal end rigid
section length
See the distal end rigid section length specification of the optical adapter in use.
Angulation IV9620RX/RT: 150 ° *
IV9420RX/RT, IV9435RX/RT, IV9635RX/RT: 130 ° *
IV9650RX/RT: 120 ° *
IV9675RX/RT: 100 ° *
* UP, DOWN, RIGHT and LEFT each direction.
The insertion tube is straight.
CAUTION
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