Hach-Lange SD900 User Manual - Manual (Page 6)

Specification Details
Storage/operating humidity 100% condensing
Pump Peristaltic high speed, with spring-mounted Nylatron rollers
Pump enclosure IP37
Pump tubing 9.5 mm ID x 15.9 OD mm ( 3 /
8
in. ID x 5 /
8
in. OD) silicone
Pump tubing life 20,000 sample cycles with: 1 L (0.3 gal) sample volume, 1 rinse, 6 minute
pacing interval, 4.9 m (16 ft) of
3 /
8
in. intake tube, 4.6 m (15 ft) of vertical lift,
21 °C (70 °F) sample temperature
Vertical sample lift Maximum 8.5 m (28 ft) for: 8.8 m (29 ft) of 3 /
8
-in. vinyl intake tube at sea level
at 20–25 °C (68–77 °F)
Pump flow rate 4.8 L/min (1.25 gpm) at 1 m (3 ft) vertical lift with 3 /
8
-in. intake tube typical
Sample volume Programmable in 10-mL (0.34 oz) increments from 10 to 10,000 mL (3.38 oz
to 2.6 gal)
Sample volume repeatability
(typical) ±5% of 200 mL sample volume using uncalibrated liquid detect 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
Sample volume accuracy
(typical) ±10% of 200 mL sample volume using uncalibrated liquid detect 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: Time-fixed, flow-fixed, time-variable, flow-variable, constant time
variable volume (CTVV).
Refer to
Constant Time Variable Volume (CTVV) sampling on page 23.
Distribution: Single bottle composite, multi-bottle composite, multi-bottle
discrete, bottles per sample, samples per bottle, combination of bottles per
sample, samples per bottle
Run modes Continuous or non-continuous with user-entered number of samples
Multiple programs Stores up to three sampling programs
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 sensor Ultrasonic. Body: Ultem ® NSF ANSI standard 51 approved, USP Class VI
compliant
Sample history Up to 510 records
Air purge Air purged automatically before and after each sample. The duration
automatically compensates for varying intake tube lengths.
Event log 510 records
Connections Power, auxiliary, serial communications, distributor, SDI-12
Wetted materials Stainless steel, polyethylene, Teflon, Ultem, silicone
Communications RS232, Modbus, SDI-12
Warranty 1 year
General information
In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential
damages resulting from any defect or omission in this manual. The manufacturer reserves the right to
make changes in this manual and the products it describes at any time, without notice or obligation.
Revised editions are found on the manufacturer’s website.
4 English