© 2018 Valeport Ltd
0606829a - MIDAS CTD+
Page 6
2.3. Mechanical Specifications
2.3.1. Instrument
2.3.1.1. Materials
Housing:
Titanium or Acetal
Exceptions:
Conductivity Cell, DO Sensor, Turbidity Sensor and pH Sensor use Acetal.
Temperature Sensor uses Stainless Steel (316 grade). Redox and pH use glass
electrodes.
Cage:
Stainless steel (316 grade) with polypropylene clamping brackets
Dimensions:
Instrument - 88mm Ø, 665mm long (including connector)
Cage – 750mm long x 140mm x 120mm
Weight
(in cage):
20kg Titanium (air), 8.5kg (water)
12kg Acetal (air)
Depth Rating:
6000m Titanium (unless shallower rated pressure sensor fitted)
500m Acetal
2.3.1.2. Connectors
Instrument:
10 pin female SubConn bulkhead type with lock ring, data and power
Comms Cable:
Valeport 3m Y lead. 10 pin male SubConn line type to instrument, 2 x 4mm
banana plugs to external power, 9 pin female D type to PC.
Switching Plug:
10 pin male SubConn line type, with lock ring. Note that the switch cap
contains wiring links to activate the instrument – it is not a dummy plug.
