Hach AS950 Manual Del Usuario página 5

Specification
Vertical sample lift
Pump flow rate
Sample volume
Sample volume repeatability
(typical)
Sample volume accuracy
(typical)
Sampling modes
Run modes
Transfer velocity (typical)
Liquid detector
Air purge
Tubing
Wetted materials
Memory
Communications
Electrical connections
Analog outputs
Analog inputs
Digital outputs
Details
8.5 m (28 ft) for 8.8 m (29 ft) maximum of
sea level at 20 to 25 °C (68 to 77 °F)
4.8 L/min (1.25 gpm) at 1 m (3 ft) vertical lift with
typical
Programmable in 10-mL (0.34 oz) increments from 10 to 10,000 mL
(3.38 oz to 2.6 gal)
±5% of 200 mL sample volume with: 4.6 m (15 ft) vertical lift, 4.9 m
3
(16 ft) of / -in. vinyl intake tube, single bottle, full bottle shut-off at
8
room temperature and 1524 m (5000 ft) elevation
±5% of 200 mL sample volume with: 4.6 m (15 ft) vertical lift, 4.9 m
3
(16 ft) of / -in. vinyl intake tube, single bottle, full bottle shut-off at
8
room temperature and 1524 m (5000 ft) elevation
Pacing: Fixed Time, Fixed Flow, Variable Time, Variable Flow,
Event
Distribution: Samples per bottle, bottles per sample and time based
(switching)
Continuous or non-continuous
0.9 m/s (2.9 ft/s) with: 4.6 m (15 ft) vertical lift, 4.9 m (16 ft) of
vinyl intake tubing, 21 °C (70 °F) and 1524 m (5000 ft) elevation
Ultrasonic. Body: Ultem
Class VI compliant. Contacting liquid detector or optional non-
contact liquid detector
An air purge is done automatically before and after each sample.
The sampler automatically compensates for different intake tube
lengths.
Intake tubing: 1.0 to 30.0 m (3.0 to 99 ft) length, ¼-in. or
3
vinyl or / -in. ID Teflon
8
cover (black or clear)
Stainless steel, polyethylene, Teflon, Ultem, silicone
Sample history: 4000 records; Data log: 325,000 records; Event log:
2000 records
USB and optional RS485 (Modbus)
Power, auxiliary, optional sensors (2x), USB, distributor arm,
optional rain gauge
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
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)
AUX port: none; optional IO9000 module: Four low voltage,
contact closure outputs that each supply a digital signal for an alarm
event
3
/ -in. vinyl intake tube at
8
®
NSF ANSI standard 51 approved, USP
™
-lined polyethylene with protective outer
3
/ -in. intake tube
8
3
/ -in.
8
3
/ -in. ID
8
English 5