Wet Labs ac-s, User Manual

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ac-s User’s Guide (ac-s) Revision F 9 Feb. 2006 19
5. Specifications
Mechanical Parameters
Size 31 x 4.1 in diameter (79 x 10.4 cm diameter)
Weight (in air) 13 lbs (5.9 kg)
(in water) 2.5 lbs (1.1 kg)
Electrical Parameters
Input 10–35 VDC
Current draw 0.83 Amps @ 12 V nominal
Serial output RS-232, -422, or -485
Connector MCBH6M
Sample rate
4 scans/sec., nominal
Environmental Parameters
Temperature range 0–30 deg C
Rated depth 500 m
Pressure sensor optional
Optical Parameters
Spectral range 400–730 nm
Band pass 15 nm/channel
Pathlength 25 cm (10 cm available)
Beam cross-section 8 mm dia. (nominal)
Linearity
≥
99% R
2
Output wavelengths 80–90
Resolution 4 nm
Precision (450–750nm)
+/-0.001 m
-1
typ., 0.003 max @ 4 Hz
+/-0.0005 m
-1
typ., 0.0015 max @ 1 Hz
Precision (400–449 nm) +/-0.005 m
-1
typ., 0.0012 max @ 4 Hz
+/-0.003 m
-1
typ., 0.006 max @ 1 Hz
Accuracy
+/- 0.01 m
-1
Dynamic range 0.001–10 m
-1
5.1 Connectors
The ac-s has two bulkhead connectors mounted on the top flange. The power and data
connector has six pins and connects to the sea or test cable. It provides input power to the
instrument and data output in RS-232 and RS-485 formats. A second connector with
three sockets provides power to the pump (Figure 3). Pin or socket numbers are molded
into the rubber bodies of the plugs (Figure 4 and Figure 5).