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Hach AS950 Basic Installation And Maintenance

Hach AS950
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Figure 15 Distributor assembly
1 Tube extension 4 Distributor arm lengths:
152.4 mm (6.0 in.),
177.8 mm (7.0 in.) or
190.8 mm (7.51 in.)
7 Distributor tube
2 Nozzle 5 Distributor motor
3 Distributor arm 6 Shaft
7.5 Replace the power supply or battery
Refer to Connect the sampler to power on page 14 to replace the power supply or battery.
Section 8 Troubleshooting
8.1 General troubleshooting
Table 2 shows causes and corrective actions for several common problems.
Table 2 General troubleshooting
Problem Possible cause Solution
No instrument power with
AC
Problem with the main
power source.
Examine the AC power at the
electrical outlet.
Defective controller. Contact technical support.
No instrument power with
DC
Battery is not charged. Replace the battery.
Battery does not hold the
charge.
Replace the battery or use an AC
power cord.
Defective controller. Contact technical support.
The battery life is short Insufficient voltage. Make sure that the lead-acid battery
holds 12.6 V to 13.4 V when fully
charged. Replace the battery if
necessary.
Battery power drains
quickly.
Charge the battery fully and let the
battery stand for 1 hour. If the voltage
decreases below 12.5 V, replace the
battery.
English 25

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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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