Hach AS950 User Manual

Table 12 Closed conduit—partly full (continued)
Non-metal
Acrylic — 0.008 0.009 0.010
Glass — 0.009 0.010 0.013
Wood Stave 0.010 0.012 0.014
Laminated, treated 0.015 0.017 0.020
Clay Common drainage
tile
0.011 0.013 0.017
Vitrified sewer 0.011 0.014 0.017
Vitrified sewer with
manholes, inlets,
etc.
0.013 0.015 0.017
Brick Glazed 0.011 0.013 0.015
Cement lining 0.012 0.015 0.017
Concrete Culvert, straight and
free of debris
0.011 0.011 0.013
Culvert with bends,
connections and
some debris
0.011 0.013 0.014
Sewer with
manholes, inlet,
straight, etc.
0.013 0.015 0.017
Unfinished, steel
form
0.012 0.013 0.014
Unfinished, smooth
wood form
0.012 0.014 0.016
Unfinished, rough
wood form
0.015 0.017 0.020
Sanitary sewers
coated with sewage
slimes
0.012 0.013 0.016
Paved invert, sewer,
smooth bottom
0.016 0.019 0.020
Rubble masonry,
cemented
0.018 0.025 0.030
Table 13 Lined or built-up channels
Metal
Smooth steel
surface
Painted 0.011 0.012 0.014
Not painted 0.012 0.013 0.017
Corrugated — 0.021 0.025 0.030
Non-metal
Cement Neat surface 0.010 0.011 0.013
Mortar 0.011 0.013 0.015
English 31

Hach AS950 Specifications

General

Sample Frequency	Programmable
Type	Portable
Sampling Method	Vacuum Pump
Temperature Control	Refrigerated
Bottle Configuration	24 x 1L bottles
Power Supply	12V DC
Communication	RS-232
Sampler Type	Portable or Stationary
Vertical Lift	8.2 m
Enclosure Rating	IP67
Number of Samples	Up to 999
Storage Capacity	24 samples
Bottle Options	1L