Hach 900 manual Section, 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
		Selectable in single increments from 1 to 9999 flow pulses (momentary contact
Interval Between Samples		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
		Records program start time and date, stores up to 400 sample collection
Data Logging		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

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8544specs.fm	Specifications