Netwave PT9 NINETY Underwater Locating Device
Đây là thiết bị đầu tiên – và là lựa chọn đầu tiên ULD 90 ngày (Thiết bị định vị dưới nước)

  • Chống ăn mòn
  • ULD có sẵn trên toàn thế giới
  • Nguồn điện PT9 NINETY
  • Thiết bị ngoại vi PT9 NINETY, tương thích với tất cả PT9 ULD

Catalogue

Thông tin chi tiết

Dimensions Weight
Length
100 mm (3.92 inches)
Diameter
33 mm (1.3 inches) same as PT9 C-Proof
Weight
187 g (6.6 ounces)

 

Operating Details
Actuation
Automatically by both, fresh and salt water, at all depths from 0.15 m (0.5 ft) to 6096 m (20000 ft) within 4 hours after immersion
Operating Depth
Surface to 6096 m (20000 ft)
Operating Temperature
–2°C (28°F) to
+38°C (100°F)
Radiation Pattern
80% of a spherical pattern
Operating Frequency
37.5 ± 1 kHz
Pulse Length
9.0 ms minimum
Repetition Rate
0.9 pulse/s minimum
Operating Life
90 days

 

Acoustic Outputs on Activation
Initial Operation
106 N/m2
(1060 dyne/cm2) r.m.s. (during the pulse) pressure normalized to 1 metre range, that is, at a level of 160.5 dB vs 1 μPa at 1 metre
Immediately after 90 days continuous operation
70 N/m2 (700 dyne/cm2) r.m.s. (during the pulse) pressure normalized at 1 metre range, that is, at a level of 157 dB vs 1 μPa at 1 metre
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