Справочник Пользователя для Hanna Instruments c 214
9
GUIDE TO DISPLAY CODES
Note: The secondary LCD below shows a generic "P– –", whereas the
meter will indicate the exact program number (e.g. "P1" for
Ammonia LR).
Ammonia LR).
Sampling in progress. This flashing prompt
appears each time the meter is performing
a measurement.
appears each time the meter is performing
a measurement.
The microprocessor is adjusting the light
level, indicated by a scrolling "SIP".
level, indicated by a scrolling "SIP".
This indicates that the meter is in a zeroed
state and measurement can be performed.
state and measurement can be performed.
The blinking "LOBAT" indicates that the
battery voltage is getting low and the
batteries need to be replaced.
battery voltage is getting low and the
batteries need to be replaced.
The instrument is performing an internal
check-up.
check-up.
This indicates that the meter is in a ready
state and zeroing can be performed.
state and zeroing can be performed.
This indicates that the batteries are dead
and must be replaced.
and must be replaced.
Light over range. The vial is not inserted
correctly and an eccess ambient light is
reaching the detector. If the vial is properly
inserted, then contact your dealer or the
nearest Hanna Customer Service Center.
correctly and an eccess ambient light is
reaching the detector. If the vial is properly
inserted, then contact your dealer or the
nearest Hanna Customer Service Center.
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• At the end of the digestion place the
vials carefully in the test tube rack and
allow to cool to room temperature.
Warning: as the vials are still hot,
be careful in handling them.
allow to cool to room temperature.
Warning: as the vials are still hot,
be careful in handling them.
• Select the program number corresponding to Total Phosphorus High
Range on the secondary LCD by pressing PROGRAM t and s.
• Remove the cap from the vials and add exactly 2.0 mL of Sodium
Hydroxide (NaOH) Solution 1,54 N to each vial, while keeping
the vials at a 45-degree angle. Replace the cap tightly and mix
by inverting the vials a couple of times.
the vials at a 45-degree angle. Replace the cap tightly and mix
by inverting the vials a couple of times.
• Remove the cap from the vials and add exactly 0.5 mL of HI
93763B-0 Molybdovanadate Reagent to each vial, while keeping
the vial at a 45-degree angle. Replace the cap tightly and mix by
inverting the vials a couple of times.
the vial at a 45-degree angle. Replace the cap tightly and mix by
inverting the vials a couple of times.
• Place the blank vial into the holder
and push it completely down.
• Press TIMER and the display will show the countdown prior to the
measurement. Alternatively, wait for 7 minutes and press ZERO. In
both cases "SIP" will blink during measurement.
both cases "SIP" will blink during measurement.
Phosphorus, Total HR