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Key Features

  • Accurate and stable
  • Integrated pitch, roll and heading sensors
  • Integrated depth and temperature sensors
  • Tested to military standards for compatibility
  • Approved for military use

Applications

  • Mine countermeasures (MCM)
  • Underhull inspection
  • Diver Tracking
  • AUV/ ROV tracking
  • OEM applications

Technical Specification

MIPS 2 Technical Specification

EZT-2785
EZT-2786
Depth rating
30m
30m
Transceiver Dimensions
200mm Ø reducing to 152mm Ø x 432.0mm
200mm Ø reducing to 152mm Ø x 433.0mm
Transceiver Weight
23.5kg in air, 17.5kg in water
27.5kg in air, 18.5kg in water
Material
Passivated A4 stainless steel standard
Passivated A4 stainless steel standard

Attitude and Heading Reference Sensor (AHRS) Sensor

Heading sensor accuracy
0.8° rms standard; +/- 0.1° resolution/repeatability
Heading Resolution
0.1° displayed. Internally calculated to 0.01°
Pitch/Roll sensor accuracy
+/- 0.10° rms

Acoustic Specification

Accuracy is based on the correct speed of sound being entered, no ray bending and an acceptable S/N ratio.

EZT-2785
EZT-2786
Position accuracy
0.1% of slant range, acoustic repeatability 0.07° DRMS at > 20° depression angle
0.25% of slant range, acoustic repeatability 0.13° DRMS at > 10° depression angle
Range resolution
Calculated to 0.01m resolution
Calculated to 0.01m resolution
Max. range
Up to 3000m, range limited version available (995m)
Up to 2000m
Frequency band (MF)
18 – 32 KHz
18 – 32 KHz
Tracking beam pattern
150° calibrated. 150- 170° reduced performance
180°
Transmitter
Variable, typical max 195dB re 1µPa at 1m
Variable, typical max 192dB re 1µPa at 1m
Beacon types
10 targets transponder/ responder. aae Sigma 1, Sigma 2 Digital Spread Spectrum and aae Tone channels, aae V-NAV channels, HPR 400 channels, 1100, 1000, 1200A, 1300A series beacons
10 targets transponder/ responder. aae Sigma 1, Sigma 2 Digital Spread Spectrum and aae Tone channels, aae V-NAV channels, HPR 400 channels, 1100, 1000, 1200A, 1300A series beacons
Interrogation rate
Internally set or external synch
Internally set or external synch

User Interface

Data Communication
DS010-9020 interface protocol. North and vessel orientated data sets
Down link
RS-422, 115,200 baud (default)
Up link
RS-422, 115,200 baud (default)
Responder/ synch
RS-422 drivers/ receivers

Electrical Specification

Power requirement
48VDC 0.5A average

Environmental Specification

Temperature

DEF STAN 00-35 Part 3: Issue 4 including temperature shock test. CL14

Operation in water -4˚C to +32˚

Operation in air -20˚C to +44˚

Storage temperature -20˚C to +44˚

High ambient temperature operation in air is for short duration system checks only, thermal protection is fitted and the unit will auto shut down.

Shock

DEF STAN 00-35 Part 3: Issue 4

M7: Shock testing for warship equipment and armament stores: classical shock pulse

NCUE: classical shock pulse

Vertical
Lateral
Longitudinal
Pulse shape
Half Sine
Half Sine
Half Sine
Pulse width
10ms
10ms
10ms
Acceleration
45g
25g
25g
Duration
1 shock in each direction of orientation (6 in total)
1 shock in each direction of orientation (6 in total)
1 shock in each direction of orientation (6 in total)

Humidity

Operation
5% to 95% non condensating
Storage
5% to 95% non condensating

Compatibility

EMC

MIL STD 461D tests: CE101, CE102, RE101, RE102, CS101, CS114, RS101, RS103 to an upper limit of 1GHz.*

*Subject to power supply

Reliability

Mean Time Between Failure (MTBF)

EZT-2686 Nexus 2 Transceiver in-service MTBF > 26,700 (2017 to 2020)

*All Nexus 2 Transceivers (common core parts to EZT-2785)

Interface Cable

Cable Jacket
Polyurethane jacket
Construction
4 screened twisted pairs (STP)
Diameter
10.8mm approx.
Bend Radius
200mm minimum
Max Length
100m
SWL (Safe working Load)
25kg (tested to 50kg)
Electrical connector subsea
Souriau 12 contact
Electrical connector – surface
Wire end

Export Control

EZT-2785
ML9a1 UK Export Controlled
EZT-2786
ML9a1 UK Export Controlled

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