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Hach AS950 User Manual

Hach AS950
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Table 3 Main menu options (continued)
Option Description
Hardware Setup
Configures the sampler, sampler ports and attached sensors. Configures and calibrates the
liquid detector.
Diagnostics
Shows the Status screen, event log, alarm log and memory use. Shows the status and
configuration of the AUX I/O port. Shows the cabinet temperature (AWRS sampler only).
Completes a diagnostic test of the attached sensors, distributor arm, keypad and display.
Shows the total run time, forward run time and reverse run time of the pump motor.
General settings
Shows the instrument information (e.g., serial number). Configures the display settings (e.g.,
language, date and measurement units). Configures the security settings. Configures the
tubing life reminder setting. Erases the sampling history and/or the selected logs.
Operation
Configuration
Configure the general settings
1. Push MENU.
2. Select General Settings.
3. Select an option.
Push the UP and DOWN arrows to change the value. Push the LEFT and RIGHT arrows to move
the cursor.
Option Description
Date and Time Sets the time and date. Selects the format for the date and time. Options: dd/mm/yyyy
12h, dd/mm/yyyy 24h, mm/dd/yyyy 12h, mm/dd/yyyy 24h, yyyy/mm/dd 12h, yyyy/mm/dd
24h.
Display Adjusts the brightness of the display (default: 50%).
Security Enables security for password protection. When enabled, the user settings that can
change the data in the logs or the sampling program cannot be changed until the
password is entered.
When the display switches off or the controller power is set to off, the password must be
entered again.
Language Sets the display language.
Unit Preferences Unit System—Sets the system of measurement that shows on the display. Options: US
Customary or Metric. Select Units—Sets the individual measurement units that show on
the display (e.g., level, velocity, flow, temperature, surface velocity, distance, minimum
distance, maximum distance, surge level, rain, cabinet temperature, level raw
1
and surge
velocity).
Tubing Life Sets a reminder when the pump tubing is to be changed. Enter the number of pump
cycles used for the reminder (10 to 99,999).
An event is recorded to the event log when the total pump cycles are more than the pump
cycles selected. Also, an error icon shows near to the tubing life setting on the
Diagnostics>Pump screen.
After the pump tubing is changed, select Diagnostics>Pump>Reset Counters to reset the
pump cycle count to 0.
1
Level raw is the value of the level measurement before the algorithm that adjusts for the
Bernoulli effect is applied.
English 5

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Hach AS950 Specifications

General IconGeneral
Sample FrequencyProgrammable
TypePortable
Sampling MethodVacuum Pump
Temperature ControlRefrigerated
Bottle Configuration24 x 1L bottles
Power Supply12V DC
CommunicationRS-232
Sampler TypePortable or Stationary
Vertical Lift8.2 m
Enclosure RatingIP67
Number of SamplesUp to 999
Storage Capacity24 samples
Bottle Options1L

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