HS-2 Abyss Specifications

Mechanical	Diameter: 13.7 cm (5.4") Length: 28cm (10.9") excluding connector Weight: 8.3 kg dry, 4.1 kg submerged
Optical	Standard wavelengths: 420, 700 nm (2 channels elastic backscattering and 1 channel fluorescence) Available wavelengths: 420, 442, 470, 488, 510, 532, 550, 590, 620, 676, 700, 852 nm Spectral Bandwidth: 10 nm (20 nm for 676, 40 nm for 700) Nominal Backcattering Angle: 140° Noise in b_b: depending on wavelength, 2 x 10^-5 to 2 x 10^-4 m^-1 RMS (dark noise at 1 sample/s) Offset uncertainty of b_b: depending on wavelength, 5 x 10^-5 to 5 x 10^-4 m^-1
Electrical	Internal rechargeable batteries provide up to 20 hours continuous operation Optional external power supply: 10V to 15V, 1.0W typical Power/Data Connector: MCBH8M; Mate MCIL8F Data Interface: RS232 (RS485 optional), 9600 to 57600 baud
Environmental	Operating Temperature: 0 to 35 C Maximum Depth: 4000 m
Data Logging	Standard memory stores 14,000 samples of optical channels and depth (optional flash memory adds non-volatile storage of millions of samples). Variable, programmable sampling rates. Max sampling rate 10 Hz. Continuous or burst-mode sampling controlled by real-time clock or manual switch.