User Manual for the Type 8370
WSM 6+ Transponder
UM-8370
Issue A Rev 1
Section 11 – Technical Specifications
34
11.3 Specifications for Type 8370-1111 & 8370-4112 WSM 6+
Parameter
Specification
Navigation Schemes
All HPR-400 Channels (see
Appendix A.1
All Sonardyne Tone Frequencies
All Sonardyne Wideband signals (replies only)
Pulse Width
10 ms for HPR
(8 ms for Sonardyne Wideband replies)
Turnaround Delay
after interrogation pulse or responder trigger
HPR 400
60 ms (fixed for transponder) 30 ms (fixed for responder)
Sonardyne Wideband
80–640 ms (configurable)
Maximum Repetition Period
750 ms
Responder Trigger, Voltage
Rising edge triggers transmission (from < +0.5 V to > +4 V)
Responder Trigger, Voltage
Maximum input 24 V
Responder Trigger, pulse width
5 to 45 ms
Transducer Type
8370-1x11
8370-4x12
Depth Rating
1000 m
4000 m
Operational Frequency
MF (19–34 kHz)
MF (19–34 kHz)
Transceiver Beamshape
Omni Directional
Directional
Tx Source Level
19–34 kHz
Ext Power
(dB re 1 µPa @ 1 m)
Battery
187 dB
184 dB
196 dB
193 dB
Tone Equivalent Energy (TEE*)
External Power
193 dB
202 dB
Receive Sensitivity: (dB re 1 µPa)
<80 dB
<85 dB
Depth Sensor, Linearity
±0.15% Full Scale
±0.15% Full Scale
Depth Sensor, Total Error Band
±0.5% Full Scale
±0.5% Full Scale
Tx Beam Pattern – Low channels
±120 Degrees Conical
±30 Degrees Conical
Tx Beam Pattern – High channels
±120 Degrees Conical
±20 Degrees Conical
Internal Power
Battery Type
Nickel Metal Hydride rechargeable (2000 mAh)
Quiescent Life
>35 days
>35 days
Operating life
(8 ms @ 1/sec, NPL196 – WB2)
3 days
(8 ms @ 1/sec, NPL184 – WB2)
17 days
(8 ms @ 1/sec, NPL187 – WB2)
6 days
(8 ms @ 1/sec, NPL175 – WB2)
19 days
Charging time
3 hours using Sonardyne charger Type 8370-011-01
(temperature must be between 10 and 40ºC)