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Hach AS950 Basic Operations

Hach AS950
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Problem Possible cause Solution
No measurement data
shows.
The data log is empty. Measurement data is recorded to the data log in
accordance with the selected logging interval.
Some measurements
supplied to the sampler
do not show on the
Status screen or the
Measurement Data
screen.
Only the measurements
recorded to the data log
show.
Refer to Configure data logging on page 10.
To see all the measurements supplied to the sampler
by a sensor(s) connected to a sensor port, select
Diagnostics>Sensor Ports.
To show all the measurements supplied to the sampler
by an external instrument(s) that is connected to the
AUX I/O port, select Diagnostics>AUX and I/O Port.
Do a diagnostic test
Use the diagnostic tests to examine the operation of individual components.
1. Push MENU.
2. Select DIAGNOSTICS.
3. Select an option.
Option Description
Status Shows the Status screen. Refer to Show the program status on page 19.
Event Log Shows the event log. Refer to Show the event log on page 21.
Alarm Log Shows the alarm log. Refer to Show the alarm log on page 21.
Sensor Ports Tells the sensors connected to the sampler do a measurement and supply
advanced information used to identify if the sensor operation is correct. Shows the
measurements and information applicable to the measurements. Shows the type
and firmware version for each sensor.
AUX (or
IO9000 module)
Shows the configuration settings for the AUX I/O port, the flow input signal
(0/4–20 mA) and the flow value. In addition, information used by technical support
shows (ADC counts, Cal gains and Cal offsets).
Note: If the optional IO9000 module is connected to the AUX I/O port, the
configuration and status of the analog inputs, analog output, digital outputs and
relays show after the IO9000 module is configured.
Distributor Moves the distributor arm to all the bottle positions regardless of the number of
bottles that are selected in the sampling program.
Note: To do a diagnostic test for the distributor arm, the sampling program must be
configured for multiple bottles.
Keypad Shows each key that is pushed on the keypad.
Display Sets each pixel of the display to on and off in different patterns.
Memory Shows the percent of the controller memory used.
English 23

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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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