Sea Sentinel

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The Sea Sentinel comes with:

Sentinel Underwater Base Station System

Cylinder weight: 14 kgs (30 lbs)

  • BaseLINK Software for Windows

  • Interface Cable

    86 g (0.19 lbs)

  • Universal AC Input Battery Charger

    227 g (0.5 lbs)

  • Case

    Empty Case: 17.5 kg (38.5 lbs)

    Shipping Weight: 29 kg (63.9 lbs)

Sea Sentinel Includes

  • Electronics module
  • Overhauser sensor
  • Onboard memory

Options

  • *Acoustic Release
  • *Float (Client supplied)
  • *Mooring (Client supplied)
Performance
Absolute Accuracy 0.2 nT
Sensitivity 0.015 nT (standard) 0.02 nT (optional)
Gradient Tolerance > 10,000 nT/m
Range 18,000 to 120,000 nT
External Trigger by RS-232
Temperature Drift NONE
Dead Zone NONE
Sampling Rates 1/Minute to 2 Hz
Communications RS-232, 9600bps
OPERATING PARAMETERS
Magnetometer Cylinder Weight 1000m: Air 17.4kg (38.3 lbs), Water -0.3kg (0.6 lbs)
3000m: Air 21.2kg (46.8 lbs), Water 2.8kg (6.2 lbs)
6000m: Air 23.5kg (51.5 lbs), Water 10.7kg (23.7 lbs)
Magnetometer Cylinder Size 1000m: 5.00 x 44.70 in (12.7 x 113.5 cm)
3000m: 5.25 x 44.75 in (13.3 x 113.6 cm)
6000m: 5.75 x 45.00 in (14.6 x 114.3 cm)
Docking Base Weight 5kg
Maximum Surface Incline Angle for Deployment on Tripod 40 degrees
Magnetometer Cylinder Depth Rating 1000m (Optional: 3000m, 6000m)
Operating Temperature -25C to +60C
Storage Temperature -60C to +70C
Communication Full duplex, 3-wire RS232. 9600bps, 8 data bits, no parity, 1 stop bit
Storage Capacity One million readings
Battery Pack Gel cell 12V, 7Ah
Battery Charge Time 5 hours 80% charge. 10 hours full charge. Can charge while sampling
Battery Life 40 Hrs @ 1 Hz (1 sec interval)
55 Hrs @ 0.3 Hz (3 sec interval)
80 Hrs @ 0.2 Hz (5 sec interval)
185 Hrs @ 0.1 Hz (10 sec interval)
1185 Hrs @ 1/min (60 sec interval)