Section 1 Specifications - Hach SIGMA 900 Instrument Manual

Section 1
Controller Dimensions
Pump/Controller Housing
Sample Pump
Pump Body
Vertical Lift
Sample Transport Velocity
Pump Flow Rate
Sample Volume
Sample Volume Repeatability
Sampling Modes
Interval Between Samples
Intake Purge
Control Panel
Internal Clock
Programmable Delay
Manual Sample
Data Logging
Automatic Shutdown
Intake Tubing
Intake Strainers
Power Requirements
ac Power Backup
Internal Battery
Overload Protection
Temperature Range
8544specs.fm
Specifications
Specifications are subject to change without notice.
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
High impact injection molded ABS: submersible, watertight, dust tight, corrosion
and ice resistant; NEMA 4X, 6
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.
Impact/corrosion resistant, glass reinforced Delrin
8.23 m (27 ft) maximum. Remote pump option recommended for lifts from 6.7 to
10.7 m (22 to 35 ft)
61 mm/sec. (2 ft/sec.) minimum, at 4.6 m (15 ft) vertical lift in a 3/8 in. ID intake tube
60 mL/sec at 0.91 m (3 ft) vertical lift in a 3/8 in. ID intake tube
Programmed in milliliters, in one mL increments from 10 to 9999 mL
From 0.3 to 6.7 m (1 to 22 ft) vertical lift +/-5 mL typical for a 100 mL sample (+/-
5%)
Supports 1 bottle. Composite Time, Composite Flow, and Level Actuation
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.
Air purged automatically before and after each sample; duration automatically
compensated for varying intake line lengths.
18 key, 31 function membrane switch keypad with 18 character alphanumeric, liquid
crystal display. Self prompting/menu driven program.
Indicated real time and date; 0.007% time base accuracy
Programmable sampler start time/date
Initiates a sample collection independent of program process
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.
Composite Mode: After preset number of samples have been delivered to
composite container, from 1 to 9999 samples, or upon full container.
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
Choice of Teflon and 316 stainless construction, and all 316 stainless steel in
standard size and low profile for shallow depth applications
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
Rechargeable 6 amp-hour gel lead acid battery takes over automatically with ac
line power failure. Integral trickle charger maintains battery at full charge
1.5 V lithium battery; maintains program logic and real time clock for five years.
dc
Internal battery current draws less than 40 micro amps
5 amp dc line fuse; ac power pack; internal 1 amp ac line fuse
General use: 0° to 50° C (32° to 122° F). LCD display operated from –10° to 70° C;
Storage –40° to 80° C
Page 5
Specifications