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Sd controller, 4 english – Hach-Lange SD900 Basic User Manual User Manual

Page 4

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SD controller

Specification

Details

Dimensions (W x H x D)

29.2 x 17.1 x 26.4 cm (11½ x 6¾ x 10

3

/

8

in.)

Weight

4.2 kg (9.26 lb)

Enclosure

PC/ABS blend, NEMA 4X, 6, IP 67

Power requirements

15 VDC supplied by a 8754500 power supply; 15 VDC supplied by an integral
power supply

Overload protection

7 A, DC line fuse for the pump

Operating temperature

0 to 50 °C (32 to 122 °F)

Storage temperature

–30 to 60 °C (–22 to 140 °F)

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 in the expanded
version of this manual.
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

4 English