Hach-Lange Sigma SD900 Portable - Manual (Page 8)

6
Specifications
Pump tubing life
20,000 sample cycles under the following conditions:
• 1 L sample volume
• 1 rinse
• 6 minute pacing interval
• 16 ft of
3 / 8 in. intake tube
• 15 ft of vertical lift
• 70 °F sample temperature
Tubing replacement time < 1 minute using pre-cut pump tube
Maximum vertical lift to draw sample
Minimum of 28 ft, using 29 ft of 3 / 8 -in. vinyl intake tube at sea level at 20–25 °C
(68–77 °F)
Pump flow rate 1.25 gpm (4.8 L/min) at 3 ft (1 m) vertical lift using 3 / 8 -in. intake tube
Typical sample volume repeatability
± 5% of 200 mL sample volume using uncalibrated liquid detect with 15 feet
vertical lift,16 feet of
3 / 8 -in. vinyl intake tube configured for a single bottle using full
bottle shut-off at room temperature and 5000 ft elevation
Typical sample volume accuracy
± 10% of 200 mL sample volume using uncalibrated liquid detect with 15 feet
vertical lift,16 feet of
3 / 8 -in. vinyl intake tube configured for a single bottle using full
bottle shut-off at room temperature and 5000 ft elevation
Typical transfer velocity
2.9 ft/s (0.9 m/s) with 15 ft (4.6 m) vertical lift, 16 ft of 3 / 8 -in. vinyl intake tubing,
70 °F (21 °C) and 5000 ft elevation
Liquid sensor Ultrasonic
Liquid sensor body Ultem ® NSF ANSI standard 51 approved, USP Class VI compliant
Internal battery Lithium
Internal clock Indicates real time and date
Storage temperature –30 to 60 °C (–22 to 140 °F)
Operating temperature 0 to 50 °C (32 to 122 °F)
Storage/operating humidity 100% condensing
Graphics display
Graphic dot matrix, 128 x 64 pixel with LED backlight. Self prompting,
menu-driven program.
Status display
Indicates the number of samples collected, the number of missed samples,
inhibit mode, bottle position, time or counts to next sample and battery voltage
Automatic shutdown
Multiple bottle mode: after complete revolution of distributor arm (unless
Continuous Mode is selected).
Composite mode: after preset number of samples have been delivered to
composite container, from 1 to 999 samples, or upon full container.
User interface
Embossed keypad with one power key, four function keys, and eight navigation
keys; LED indicator
Sample history
Stores up to 255 entries for sample time stamp, bottle number and sample status
(success, bottle full, rinse error, user abort, distributor error, pump fault, purge fail,
sample timeout, power fail and low main battery)
Event log
Records Power On, Power Fail, Firmware Updated, Pump Fault, Distributor Arm
Error, Low Memory Battery, Low Main Battery, User On, User Off, Program
Started, Program Resumed, Program Halted, Program Completed, Grab Sample,
Tube Change Required
Connections Power, auxiliary, serial communications and distributor
Fittings Barbed fittings for 3 / 8 -in. I.D. flexible tubing
Wetted materials
Typical materials in contact with sample: stainless steel, PE, Teflon, Ultem, Silicon
or approved materials that can be tested for leaching properties
Weight 4.2 kg (9 lb, 5 oz)