Sonardyne 8270 - Page 130

WSM6 Manual
Document Ref: UM-8270-000
Issue: A Rev 0
Section 11
116 October 2011
Type 8270-000-10 Type 8271-000-02
Special Depth Rating, housing
4000m
4000m
Use 8070 Clamping
diameter
Depth rating, unit Depends on depth sensor - see lower end-cap
Depth sensor, Linearity 0.25% FSD typical
Ratings Suitable for outdoor use
Relative Humidity 100%
Wet location
IP68
Ambient temperature range “ must be at least 5ºC to
40ºC
Weight Type 8270 Type 8271
In air 5.0 kg 2.7 kg
In water 2.6kg 1.4 kg
Transducer Type Type 8270 Type 8271
Directional Omni Directional
TX Beam Pattern
Low channels (19-26kHz) ±30 degrees conical ±120 degrees conical
High channels (26-32kHz) ±20 degrees conical ±120 degrees conical
TX Source Level
(dB re 1 µPa @ 1 m):
(over the bandwidth 26 to
32 kHz)
high power + ext 24V 202 dB 190 dB
high power + battery 199 dB 188 dB
low power + battery 196 dB 185 dB
Type 8270 Type 8271 Rx Sensitivity:
(dB re 1 µPa)
high gain <100 dB <100 dB
low gain < 110 dB < 110 dB
Battery Life, NiMH
Quiescent Life 60 days
No. of replies
(4ms @ low power) 72,000 (8270) 100,000 (8271)
Operating Life
(4ms @ 1/sec, low power) 20 hours (8270) 28 hours (80271)
Charging time
4 hours using Sonardyne Charger Type 7972-000-04
(Temperature must be between 10 and 40ºC)