The Suna Sensor; Introduction And Background; Specifications; Build Variants - Satlantic Suna Manual

Deep SUNA Manual
For SUNA running firmware version 2.4 or later

3. The SUNA Sensor

3. The SUNA Sensor

3.1 Introduction and Background

The SUNA (Submersible Ultraviolet Nitrate Analyzer ) is a chemical-free nitrate sensor.
It is based on the ISUS (In Situ Ultraviolet Spectroscopy) technology developed at
MBARI (cf. Kenneth S. Johnson, Luke J. Coletti, In situ ultraviolet spectrophotometry for
high resolution and long-term monitoring of nitrate, bromide and bisulfide in the ocean,
Deep-Sea Research I 49 (2002) 1291–1305).

3.2 Specifications

3.2.1 Build Variants

The SUNA housing is made from anodized aluminum. The housing is designed to
withstand depths of up to 2000 m.
Dimension
Material
Depth Rating
Diameter
Length
(without connector and anode)
UV Deuterium Lamp
Path length
Displacement
Weight
Electrical connector
Storage temperature
Operating temperature

Table 1: Sensor dimensions, basic options.

Copyright © 2013, Satlantic LP, All rights reserved
8
Basic Version
Anodized Aluminum
2000 m
57 mm
555 mm
900 h lifetime
10 mm
1384 cm³
1.8 kg
SubConn MCBH8MNM
–20 to +50 C
--2 to +35 C