CORNING 315 설치 매뉴얼 - 페이지 5
{카테고리_이름} CORNING 315에 대한 설치 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. CORNING 315 6 페이지.
페이지 인쇄
Maintenance
General
The 315 requires very little maintenance.
Occasionally wipe the meter with a damp cloth.
The casework is made of ABS/PC which is known
to be affected by some organic solvents, including
toluene, xylene and methyl-ethyl-ketone. It is
good practice to wipe away any spillages as soon
as they occur.
Every six months inspect and lightly grease the
socket seals, and connector and battery 'O' rings
with the grease supplied. Replace the 'O' rings if
damaged.
CAUTION: To prevent permanent damage care
should be taken to prevent liquid entering the 315
when fitting electrodes or replacing batteries. If it
does, remove the batteries and allow the meter to
dry before using.
Replacing the Batteries
Replace batteries as soon as the low battery
indicator appears. T o prevent data loss always
turn the 315 off using the
replacing the batteries. See the Installation section
for details on installing batteries. Do not mix old
and new batteries.
NOTE: Check the Program Menu settings after
changing the batteries.
Electrode Maintenance
Refer to the electrode product insert for full details
on maintaining your electrode.
Spares and Accessories
476613 Epoxy, 3-in-1 Polymer Gel Electrode (4' cable)
476614 Epoxy, 3-in-1 Refillable Electrode (4' cable)
477269 Replaceable Junctions 3/pk
470444 Rubber Meter Holder and Neck Strap
470464 Mini Electrode Stand
470443 Hard Carrying Case
470445 RS232 Interface Kit
470446 Recorder Cable
470447 Wrist Strap
470448 Instrument Sealing Kit
470449 Neck Strap
470438 Batteries, AA, 4/pk
477989 Guide to pH Measurement
477959 Guide to ISE Measurement
473651 pH 4.00 Buffer Sachets, 30/case
473650 pH 7.00 Buffer Sachets, 30/case
473652 pH 10.01 Buffer Sachets, 30/case
473653 Rinsing Solution Sachets, 30/case
473676 Buffer Sachet, Multi-Pack, 32/case
478540 pH 4.00 Buffer Red, 500 mL, 2/case
478570 pH 7.00 Buffer Yellow, 500 mL, 2/case
478510 pH 10.01 Buffer Blue, 500 mL, 2/case
478574 Rainbow Buffer Pack, 500 mL (2 each of 4.00,
7.00, 10.01) 6/case
mode
key before
Problem Solving
Err 1 - offset value (E
Check correct buffer is used.
Check mV reading for pH 7 buffer is 0 ± 30 mV.
If it is not, clean or replace the electrode.
Err 2 - slope out of range in pH mode
Slope less than 85.0%, or not
calculable.
+ Err 2
Electrode needs cleaning,
conditioning or replacing.
Check correct buffers are used.
Slope more than 105.0%.
+ Err 2
Check calibration buffers.
NOTE:
Where 0 mV/pH unit = 0%, and
–59.16 mV/pH unit = 100%
Err 2 - slope out of range in concentration mode
Check that for a decade change in concentration,
the mV reading is between +10 to +65 mV, or -10
to –65 mV, depending on the valency and charge
of the species being measured. If it is not, check
the concentration standards and clean, condition
or replace the electrode.
Err 3 - pH buffer outside temperature limits
pH buffers must be between 5°C and 50°C for
accurate temperature compensation.
Displayed (out of range)
•
Check electrode is connected and immersed in
sample. Check wetting cap is removed.
Data Entry Errors
Date flashes and reverts to previous setting -
invalid date entered.
Entered temperature value changes to –5.0 or
130.0 - the 315 will not accept values outside this
range.
Dashes displayed instead of buffer or standard
value during calibration buffer or standard set up
- that buffer or standard has already been
selected for a cal point. Cal points must have
different values.
Using the Memory
Entering a Reading into Memory
The 315 can store up to 50 endpointed results.
M
Press
when the measurement has endpointed.
M 1 is displayed (or M 2 to M 50 if readings have
already been stored).
M 50 indicates the memory is full.
) out of range
0