Hach AS950 AWRS, Basic Installation And Maintenance

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Specification Details
Sample volume accuracy
(typical) ±5% of 200 mL sample volume with: 4.6 m (15 ft) vertical lift, 4.9 m (16 ft) of
3
/
8
-
in. vinyl intake tube, single bottle, full bottle shut-off at room temperature and
1524 m (5000 ft) elevation
Sampling modes Pacing: Fixed Time, Fixed Flow, Variable Time, Variable Flow, Event
Distribution: Samples per bottle, bottles per sample and time based (switching)
Run modes Continuous or non-continuous
Transfer velocity (typical) 0.9 m/s (2.9 ft/s) with: 4.6 m (15 ft) vertical lift, 4.9 m (16 ft) of
3
/
8
-in. vinyl intake
tubing, 21 °C (70 °F) and 1524 m (5000 ft) elevation
Liquid detector Ultrasonic. Body: Ultem
®
NSF ANSI standard 51 approved, USP Class VI
compliant. Contacting liquid detector or optional non-contact liquid detector
Air purge An air purge is done automatically before and after each sample. The sampler
automatically compensates for different intake tube lengths.
Tubing Intake tubing: 1.0 to 30.0 m (3.0 to 99 ft) length, ¼-in. or
3
/
8
-in. ID vinyl or
3
/
8
-in.
ID Teflon
™
-lined polyethylene with protective outer cover (black or clear)
Wetted materials Stainless steel, polyethylene, Teflon, Ultem, silicone
Memory Sample history: 4000 records; Data log: 325,000 records; Event log:
2000 records
Communications USB and optional RS485 (Modbus)
Electrical connections Power, auxiliary, optional sensors (2x), USB, distributor arm, optional rain
gauge, thermal (AWRS only)
Analog outputs AUX port: none; optional IO9000 module : Three 0/4–20 mA outputs to supply
the recorded measurements (e.g., level, velocity, flow and pH) to external
instruments
Analog inputs AUX port: One 0/4–20 mA input for flow pacing; optional IO9000 module : Two
0/4–20 mA inputs to receive measurements from external instruments (e.g.,
third-party ultrasonic level)
Digital outputs AUX port: none; optional IO9000 module : Four low voltage, contact closure
outputs that each supply a digital signal for an alarm event
Relays AUX port: none; optional IO9000 module : Four relays controlled by alarm
events
Certifications CE, cETLus
English 5