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 Velocity :
-. Range: ±6 m/s
-. Resolution: 0.1 cm/s
-. Accuracy*: ±1 percent of measured velocity, ±0.5 cm/s
-. User-programmable data output rate from 10 seconds to 12 hours
Temperature Sensor :
-. Resolution: 0.01°C
-. Accuracy: ±0.1°C
Compass/Tilt Sensor :
-. Heading accuracy: ±2°
-. Pitch/Roll accuracy: ±1°
-. Built-in calibration procedure to compensate for ambient magnetic fields
Pressure Sensor :
-. Absolute accuracy: ±0.5% of full scale
-. Available full scale ranges: 5, 10, 20, 50, 100, 200, and 500 m (call for depths greater than 500 m)
-. Maximum deployment depth without sensor damage: 150% of full scale
Environmental :
-. Operating temperature: -5° to 40°C
-. Storage temperature: -10° to 50°C
Power Requirements :
-. Input power: 6-16 VDC
-. Typical power consumption: Continuous operation: 0.1 W
-. Standby operation: 0.001 W
Standard Features :
-. Programmable sampling volume size extending vertically from sensor:
3-MHz system : From 0.5 to 1.5 m
1.5-MHz system : From 1 to 3 m
-. Supports multiple serial communication protocols :
RS232 : Single system operation for short cables (to 100 m)
RS422 : Single system operation for long cables (to 1500 m)
RS485 : Multiple system operation from a single power and communication cable
(total cable lengths to 1500 m)
-. Flexible sampling strategies for reduced duty cycle operation and extended deployments
-. 2-MB internal memory (over 100,000 samples)
-. Temperature sensor for automatic sound speed compensation
-. Compass/tilt sensor to report velocity in Earth (East-North-Up) coordinates
-. Integrated battery pack for autonomous operation
(battery life sufficient for up to 2-year deployment dependent on sampling scheme)
Optional features :
-. Integrated CTD
-. Integrated pressure sensor
-. Sea-Bird Inductive Modem
* Velocity specifications have been verified using laboratory simulations, tow carriage testing,
and field comparisons with other meters. Test results are available upon request.
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