OM-7986
Page 17 of 23
Issue A - Rev 8
4.
SPECIFICATIONS
4.1 LRT
Specifications
Size
63mm Dia x 490mm Long
Weight in Air
1.75 kg
Weight in Water
0.4 kg
Depth Rating
500 metres
Construction Materials
Plastics / 316 Stainless steel / Aluminium Alloy
(anodised)
Frequency Band
35 to 50 kHz
Source Level
185-187 dB re 1uPa @ 1 metre
Receiver Sensitivity
105-115 dB re 1uPa @ 1 metre
MAX Acoustic Range
500m – Dependent on acoustic environment:
Water depth / topography / ambient environmental
noise / vessel noise
MAX Listening Life
Alkaline pack = 18-24 months listening.
Max number of transmissions: 550,000
2 second update rate for 2 hours per day: 125 days
4 second update rate for 2 hours per day: 213 days
4 second update rate for 8 hours per day: 71 days
Max number of releases: 850 (10% life left)
Standard Lithium Pack = 39 months listening.
Max number of transmissions: 1,000,000
2 second update rate for 2 hours per day: 235 days
4 second update rate for 2 hours per day: 398 days
4 second update rate for 8 hours per day: 133
days
Max number of releases: 850 (10% life left)
Long Life Lithium Pack = 51 months listening
Switch-on
Continuously listening – No ON/OFF Switch
Interrogation Address
Programmable to 1 of 401
Reply Code
Programmable to 1 of 9 (3609 Unique Identities)
Safe Working Load
125 Kg
Release Load
125 Kg Maximum – see section 2.6
Breaking Load
500 Kg+
Operating Temperature
-5°C to +40°C
Summary of Contents for 7986
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