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SPECIFICATIONS
Endoscope Model
EG-2990i
EG-2790i
EG-1690K
EG-2490K
EG-2790K
Direction of View
Forward
Field of View
140°
120°
140°
Depth of Field (mm)
5 - 100
4 - 100
Tip
Angulation
Up-Down
210° - 120°
Right-Left
120° - 120°
Rigid Distal Width (O. D. φmm)
ø10.8
ø9.2
ø6.15
ø7.8
ø9.2
Distal End Width (O. D. φmm)
ø10.8
ø9.2
ø5.3
ø7.1
ø9.2
Insertion Tube Width (O. D. φmm)
ø9.8
ø9.0
ø5.4
ø8.0
ø9.0
Maximum Insertion Portion Width
(O. D. φmm)
ø11.75
ø10.05
ø6.65
ø9.15
ø10.05
*Minimum Instrument Channel Width
(I. D. φmm)
ø2.8
ø2.0
ø2.4
ø2.8
Insertion Tube Working Length (mm)
1,050
1,100
1,050
Total Length (mm)
1,373
1,423
1,373
Operating
environment
Ambient temperature
10 - 40°C
Relative humidity
30 - 85%RH
Air pressure
700 - 1060 hPa
Storage
environment
Ambient temperature
–20 - 60°C
Relative humidity
0 - 85%RH
Air pressure
700 - 1060 hPa
**Maximum reprocessing temperature
60°C
Degree of protection against electric
shock
Type BF (Use on heart is prohibited)
Mode of Operation
Continuous Operation
Function
Y:Yes
N:No
Compatibility
Y:Yes
N:No
Water Jet
Y
N
N
N
N
Selection of Suction
Channel
N
N
N
N
N
Electrosurgery
Y
Y
N
Y
Y
* There is no guarantee that instruments selected solely using this minimum instrument channel width will be
compatible in combination.
**PENTAX flexible endoscopes should not be exposed to temperatures in excess of 140°F (60°C) during either
reprocessing or storage. In reprocessing, depending on detergents, even if the temperature does not exceed 60°C,
the scopes may be damaged. For specific brands of compatible detergents, please contact your local PENTAX service
facility or sales representative.
Note:
Specifications are subjected to change without prior notice and without any obligation on the part of the
manufacturer.
DISTAL END
EG-2990i
(1)
(2)
(3)
(3)
(4)
(5)
(1) Objective Lens
(2) Water Jet Nozzle
(3) Light Guide
(4) Air/Water Nozzle
(5) Instrument Channel
EG-2790i/EG-2790K
(2)
(2)
(1)
(4)
(3)
(5)
(1) Objective Lens
(2) Light Guide
(3) Air Nozzle
(4) Instrument Channe
(5) Water Nozzle
EG-1690K
(3)
(3)
(4)
(2)
(1)
(1) Air/Water Nozzle
(2) Instrument Channel
(3) Light Guide
(4) Objective Lens
EG-2490K
(1)
(2)
(3)
(4)
(5)
(2)
(1) Objective Lens
(2) Light Guide
(3) Air Nozzle
(4) Instrument Channel
(5) Water Nozzle