Hach SIGMA 900 - Manual (Page 5)

Page 5
8544specs.fm Specifications
Section 1 Specifications
Specifications are subject to change without notice.
Controller Dimensions
Height: 34 cm (13.5 in.), Width 28 cm (11 in.), Depth 20.3 cm (8 in.) without wall
bracket, 33 cm (13 in.) deep with wall bracket
Pump/Controller Housing
High impact injection molded ABS: submersible, watertight, dust tight, corrosion
and ice resistant; NEMA 4X, 6
Sample Pump
High speed peristaltic, dual roller, with 9.53 ID x 15.9 mm OD (3/8 in. x 5/8 in.)
medical grade silicone rubber pump tube.
Pump Body Impact/corrosion resistant, glass reinforced Delrin
Vertical Lift
8.23 m (27 ft) maximum. Remote pump option recommended for lifts from 6.7 to
10.7 m (22 to 35 ft)
Sample Transport Velocity 61 mm/sec. (2 ft/sec.) minimum, at 4.6 m (15 ft) vertical lift in a 3/8 in. ID intake tube
Pump Flow Rate 60 mL/sec at 0.91 m (3 ft) vertical lift in a 3/8 in. ID intake tube
Sample Volume Programmed in milliliters, in one mL increments from 10 to 9999 mL
Sample Volume Repeatability
From 0.3 to 6.7 m (1 to 22 ft) vertical lift +/-5 mL typical for a 100 mL sample (+/-
5%)
Sampling Modes Supports 1 bottle. Composite Time, Composite Flow, and Level Actuation
Interval Between Samples
Selectable in single increments from 1 to 9999 flow pulses (momentary contact
closure 25 msec. or 5-12 V dc pulse; 4-20 mA interface optional), or 1 to 9999
minutes in one minute increments.
Intake Purge
Air purged automatically before and after each sample; duration automatically
compensated for varying intake line lengths.
Control Panel
18 key, 31 function membrane switch keypad with 18 character alphanumeric, liquid
crystal display. Self prompting/menu driven program.
Internal Clock Indicated real time and date; 0.007% time base accuracy
Programmable Delay Programmable sampler start time/date
Manual Sample Initiates a sample collection independent of program process
Data Logging
Records program start time and date, stores up to 400 sample collection
times/dates, all program entries, operational status including number of minutes or
pulses to next sample, bottle number, number of samples collected, number
remaining, sample identification number.
Automatic Shutdown
Composite Mode: After preset number of samples have been delivered to
composite container, from 1 to 9999 samples, or upon full container.
Intake Tubing
6.4 mm (1/4 in.) and 9.5 mm (3/8 in.) ID vinyl to 9.5 mm (3/8 in.) ID Teflon-lined
polyethylene with protective outer cover
Intake Strainers
Choice of Teflon and 316 stainless construction, and all 316 stainless steel in
standard size and low profile for shallow depth applications
Power Requirements
12 V dc-supplied by optional ac power converter or battery. Average current draw
with pump running: 2.25 amps dc, without pump running: 4 mA dc
ac Power Backup
Rechargeable 6 amp-hour gel lead acid battery takes over automatically with ac
line power failure. Integral trickle charger maintains battery at full charge
Internal Battery
1.5 V
dc
lithium battery; maintains program logic and real time clock for five years.
Internal battery current draws less than 40 micro amps
Overload Protection 5 amp dc line fuse; ac power pack; internal 1 amp ac line fuse
Temperature Range
General use: 0° to 50° C (32° to 122° F). LCD display operated from –10° to 70° C;
Storage –40° to 80° C