Oakton pH 450 Serie Instrucciones De Operación

450 Series Waterproof Handheld Meter
Ion Selective Electrode (ISE) Operation Instructions
Model:
pH 450
pH/mV/ISE/Temperature
Getting Started/Connections
After installing (2) AA batteries and/or connecting the optional
110/220 VAC power supply, connect the desired sensors to the
corresponding ports.
pH, mV/ORP or
Ion Selective
ATC:
6-Pin ATC
A/C Power
Adapter
RS232 – PC or Printer
12 mm and 16 mm probes can utilize the Grip-Clip™ to attach
one or more sensors to a beaker and to the instrument as
needed. The stand can be extended as shown above or used
for wall-mounting.
Keypad Functions
Press once to power ON in the mode that was
previously used. Press again to turn backlight
on for one minute or off. Hold for 3 seconds to
power OFF.
Toggle between measurement and calibration
modes. In SETUP mode, BACK serves to return to
the previous menu option or setting.
Confirm calibration values in CAL mode.
Confirm selections in SETUP mode.
Freeze or release the measured reading.
Customize instrument settings and preferences.
(See also Setup Programs)
Toggle between available measurement types.
Save measurement into memory. Increase value
or scroll up in SETUP or manual calibration.
Recall saved values from memory. Decrease value
or scroll down in SETUP or manual calibration.
Send output data to printer or computer.
Setup Programs
To access the settings below, press SETUP. Up/down arrows
will display the available options. Press ENTER to accept the
desired setting, or BACK to return to the previous option
and/or exit.
Configuration Options
• Ready indicator ON / OFF / or Automatic HOLD when stable
• Choose ºCelsius or ºFahrenheit
ISE Standard Options
• Choose standard group:
GRP.1 for 0.10, 1.00, 10.0, 100.0 & 1000 (5 points)
GRP.2 for 0.20, 2.00, 20.0, 200.0 & 2000 (5 points)
GRP.3 for 0.50, 5.00, 50.0 & 500.0 (4 points)
• Choose number of calibration points
Select Calibration Due Reminder
• Set number of days from 0-60 for desired parameter
View Calibration Data (for the parameter being measured)
• Press ENTER to view each point that is calibrated
View Electrode Data (for the parameter being measured)
• Press ENTER to view electrode data
System Settings
• Data Logging:
MANUAL upon key press only
TIMED interval. Choose (SEC / MIN / HOUR) interval.
• Automatic shut off after 10 minutes. Choose ON or OFF.
• Clock Settings:
Date: Choose USA (MM/DD/YYYY) or Euro (DD/MM/YYYY).
BNC:
Time: Choose (24HR or 12HR). If 12HR, choose AM or PM.
• Set Printer Type:
CSV (Comma Separated Values) – best format for computer.
Printer (Text) – best format for printer.
Choose Manual (MAN) upon key press or TIMED interval.
If timed, choose (SEC / MIN / HOUR).
Reset
• NO. Exits from reset menu options without action.
• FACTORY RESET. Returns all settings except date/time
and ATC calibration to factory default values after ENTER is
pressed then restarts meter.
• DATA RESET. Erases data stored in memory while retaining
Output (USB or other settings after ENTER is pressed.
• CALIBRATION RESET. Erases non-ATC calibration data while
Communication)
retaining other settings after ENTER is pressed.
ISE Calibration
The pH 450 can measure ion concentration such as ammonia
or fluoride when using an ion selective electrode (ISE) for
the specific ion of interest. See Setup to select one of (3) ISE
standard groups based on your intended standards and range.
Use a minimum of 2 values for calibration and prepare the
corresponding ion calibration solutions. For best results always
begin with your lowest standard value, followed by the next
lowest standard.
Refer to your Ion Selective Electrode instruction manual for
details on conditioning, storage, maintenance, calibration
standard preparation, Ionic Strength Adjustment, trouble-
shooting, etc. Each ISE is unique and requires care and
operation that is specific to the electrode and ion of interest.
1. Connect the ISE and press MODE as needed to view ppm.
The primary display will show "- - - -" without a stored
ion calibration.
2. Rinse the ISE with clean water and dip into your lowest
calibration standard and stir. Press CAL.
3. Use t/s keys to match the primary display to your desired
ion calibration standard (0.10, 1.0, 10, etc). The secondary
display is the corresponding mV.
4. Press ENTER when the reading is stable to accept the
calibration. ERR indicates that the calibration for the
current point was not successful. This occurs when the
slope (mV change between standards) is <15 mV/decade
or >90 mV/decade. The primary display will show the next
highest calibration standard. Use t/s keys to select a
different ion calibration standard if needed.
5. Rinse the ISE then dip into the corresponding
calibration standard and stir. Repeat Steps 3 & 4 as
needed. If the number of calibration points has been
reached, the display will return to measurement mode.
Note: The mV/decade slope value will be displayed in
during measurement mode on the lower display upon a
successful calibration. The value corresponds to the slope
of the active reading.
mV Offset Adjustment
1. While in mV measurement mode, dip the ORP and ATC
sensors into a solution with a known mV value (i.e. Zobel,
Light's, quinhydrone, or iodide/triiodide) and stir.
Part of Thermo Fisher Scientific
2. When the "READY" indicator appears, use up/down arrows
to adjust the primary reading to match the mV value at
the measured temperature, then press ENTER. The meter
allows an adjustable maximum value of ±200 mV from the
factory default mV value. When an offset has been stored
successfully, R.mV replaces mV.
Temperature Calibration/Manual ATC
1. Press CAL from any measurement, then press MODE.
2. Skip to step 3 for manual ATC, otherwise, dip the temperature
sensor into a solution with a known accurate temperature.
The upper display shows the active temperature while
the lower display shows the factory default temperature
without adjustment.
3. Use up/down arrows to adjust the upper display. Press
ENTER to accept the calibration temperature. The maximum
adjustable value is ±10 ºC (or ±18 ºF) from factory default.
Error Messages
"ERR" will appear when an error condition exists or the
incorrect key is pressed. Common examples include:
• Pressing ENTER during calibration before the "READY"
indicator appears. Wait for the "READY" indicator before
pressing ENTER.
• The calibration point was not successful. The allowable mV
difference is 15 to 90 mV/decade.
• UR (Under Range) • OR (Over Range)
Intended Use, Maintenance & Precautions
These handheld meters use sensors to detect various parameters
for water-based measurements. For routine maintenance
disconnect the power cord or battery, then dust or wipe the
display using a damp cloth. If necessary, warm water or a mild
water based detergent can be used. Immediately remove any
spilled substance from contact with the meter using the proper
cleaning procedure for the type of spill.
• Do not use this equipment in potentially explosive atmospheres.
• Refer to the electrode instructions for use, storage and cleaning.
• Ensure that no liquid enters the instrument.
• Do not use any aggressive cleaning chemicals (solvents or
similar agents).
• There are no user serviceable parts inside. Attempts to
service internal parts may void the warranty.
• WARNING: No modification of this equipment is allowed.
Instrument Operating Conditions
Operating Ambient Temp. 5 to 45 ºC
Operating Relative Humidity 5 to 85 %, non-condensing
Storage Temp. -20 to +60 ºC
Storage Relative Humidity 5 to 85 %, non-condensing
Pollution Degree 2
Overvoltage Category II
Weight 500 g
Size (L x W x H) 21.15 x 9.87 x 5.85 cm
Regulatory & Safety CE, TUV 3-1, FCC Class A
Power Rating DC Input: 9 VDC 1 A
2 x AA (LR6) 1.5 V batteries
Battery Requirement (replace batteries when
battery sign blinks)
Vibration Shipping/handling per ISTA #1A
Drop test in packaging per
Shock
ISTA #1A
Enclosure (Designed To Meet) IP67 (using rubber covers)
Universal Power Adapter Operating Conditions
Operating Ambient Temp. 0 to 50 ºC
Operating Relative Humidity 0 to 90 %, non-condensing
Storage Temp. -20 to +75 ºC
Storage Relative Humidity 0 to 90 %, non-condensing
Pollution Degree 2
Overvoltage Category II
I/P: 100 - 240 V, 50/60 Hz, 0.3A
Power Rating
O/P: 9 VDC 1 A
Eutech Instruments Pte Ltd Oakton Instruments
Blk 55, Ayer Rajah Crescent, 625 East Bunker Court,
#04-16/24, Singapore 139949 Vernon Hills, IL, 60061, USA
Tel: (65) 6778-6876 Tel: 1-888-462-5866
Fax: (65) 6778-0086 Fax: 1-847-247-2984
eutech@thermofisher.com info@4oakton.com
www.eutechinst.com www.4oakton.com
68X651905 08/14 Rev0