Hach-Lange Sigma SD900 Portable - Manual (Page 9)

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Specifications
Dimensions 10- 3 / 8 in. (26.4 cm) L x 11-½ in. (29.2 cm) W x 6-¾ in. (17.1 cm) H
Programming features
Password protection 6-character; protect changes to program and system settings
Multiple programs Stores up to three sampling programs
Cascade programs
Two samplers used in combination. The second sampler is initiated after the first
sampler completes the program.
Synchronized sampling Ability to simultaneously take two samples with input from a single flow meter
Sample volume Programmed in 10-mL increments from 100 to 10,000 mL
Air purge
Air purged automatically before and after each sample; duration automatically
compensates for varying intake line lengths.
Intake rinse option Option to rinse intake line with source liquid prior to each sample, 1 to 3 rinses.
Sample distribution Composite, samples per bottle or bottles per sample.
Set point sampling Ability to start and/or stop a sample program based on an external trigger.
User start/stop times Up to 12 user-defined start/stop times/dates, with option to restart at position 1.
Storm water program Ability to run time-based, first flush program in parallel with main sample program.
Current status Display parameters relevant to main or storm water programs.
Units of measure Volume: gallons or mL; length: feet (ft) or cm
Sample retries
Option to repeat sample collection cycle from 1 to 3 times if sample not obtained
on initial attempt.
Manual grab sample Ability to manually deliver a grab sample to a specific bottle location
Run modes Continuous or non-continuous with user-entered number of samples.
Time pacing Uniform or variable time intervals.
Flow pacing Uniform or variable flow intervals.
Auxiliary connector
Power to Sigma 9XX, SD900, flow pulse input, external inhibit, special output,
bottle number output and program complete output.
Program delay
Two formats: 1) 1–9,999 flow pulses (in one unit increments);
2) Programmable start time/date
Communication
Firmware updates Ability to perform field upgrades using Sample View software
Serial interface
RS232 compatible; allows on-site collection of stored data including event log and
sample history. Ability to configure remotely. Supports Modbus for SCADA
connectivity.