YSI EcoSense ORP15A Bedienungsanleitung
YSI
Handgerät
EcoSense ORP15A
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EcoSense® ORP15A ORP/Temperature Pen
Operations Manual
EcoSense ORP15A OVERVIEW
A. Description
1. Battery cap
2. Graphic LCD screen
3. Keypad
4. Belt clip (Do not remove screw.)
5. Electrode collar
6. Electrode & ATC assembly – outside o-ring on
electrode is yellow and inside o-ring is black.
(Electrode cap shown covering electrode.)
B. EcoSense ORP15A Keypad Layout
INITIAL INSPECTION AND ASSEMBLY
Carefully unpack the instrument and accessories, and inspect for shipping damages. Notify your
local dealer or YSI immediately (+1 937-767-7241 or environmental@ysi.com) of any damages
or missing parts. Save packing materials until satisfactory operation is confirmed.
BEFORE USING
A. Insert the Batteries
1. Remove the battery cap at the top of the unit.
2. Insert the set of batteries (included) ensuring correct polarities.
3. Securely replace battery cap.
Hold – On/Off key
Store/Save key
Calibration/Mode key
Scroll key
B. Soak the Electrode
1. Remove the electrode cap covering the ORP15A meter electrode.
2. Soak electrode in pH 4 buffer for 10 minutes before first use or after storage.
OPERATION
A. Power ON/OFF
Press “HOLD – On/Off” key for 3 seconds. The unit will turn on and enter the “Measure
Mode”. Repeat process to turn off. There is a 10 minute automatic shutoff feature if no keys are
pressed.
B. Set Date and Time
1. Press and hold “CAL” key until it enters “Date/Time Set Mode”.
2. Press “HOLD” key to select date or time parameters.
3. Press “CAL” key to increase or “SCROLL” keys to decrease values.
4. Press “STORE” key for 2 seconds to return to “Measure Mode”.
C. Offset Calibration
1. Press “CAL” key for 3 seconds and release to enter “Calibration” mode.
2. Immerse meter into YSI Zobell solution or other known solution.
3. Press “HOLD” key to select the ability to change the offset values.
4. Press “CAL” key to increase or “SCROLL” keys to decrease values.
5. Press “STORE” key for 2 seconds to return to “Measure Mode” displaying absolute
ORP values.
6. Press “CAL” key to display relative ORP values.
Note: For accuracy, it is recommended the ORP electrode is kept clean. Calibrations may only
be needed occasionally.
D. Measure
Dip the electrode into the test solution while in the “Measure Mode”. “CAL” will enable toggling
between absolute (direct reading) and relative (corrected based on calibration) ORP values.
ABS or REL will appear on the display based on the mode selected.
E. Hold Data
1. When the ORP is stable, press “HOLD” key once to lock the reading on the display.
2. Press “HOLD” key again to unlock reading and the unit will return to “Measure Mode”.
The unit is now ready for another measurement.
Note: The unit cannot be powered off in “Hold Mode”.
F. Save Data
Either in the “Hold Mode” or the “Measure Mode”, press “STORE” key for 2 seconds. “SAVE”
and “M-XX” will appear indicating the reading has been saved and stored in memory location
XX. The unit automatically returns to “Measure Mode”.
Note: The non-volatile memory stores up to 50 sets of data (ABSolute and RELative mV,
Temperature, Date, Time) even if power is lost. If memory is full, the next set of data will
overwrite the first data set stored, then the second set of data, etc.
G. Recall Data
1. In “Measure Mode”, press “SCROLL” key 3 seconds and release. the most recent set
of saved data will appear.
2. Press the “SCROLL” key to view previous saved data.
3. Press “STORE” key for 2 seconds to return to “Measure Mode”.
H. Erase Data
1. Press “SCROLL” key 10 seconds to enter erase mode.
2. Press “STORE” key to erase
all saved data. “Data Clear” will appear at the top and
the ORP15A will return automatically to “Measure Mode”.
3. Press “SCROLL” key to escape to “Measure Mode” without clearing data.
ONGOING MAINTENANCE
A. Electrode Storage
1. Electrodes attached to the instrument should be kept in a moist environment. Keep
the sponge in the chamber moist, tap water is acceptable. The single-junction
electrode needs to be kept clean; check periodically for cleanliness.
2. For long-term storage, store in pH 4 buffer.
B. Battery Disposal
This instrument is powered by alkaline batteries, which the user must remove and dispose of
when the batteries no longer power the instrument. Disposal requirements vary by country and
region, and users are expected to understand and follow the battery disposal requirements for
their specific locale.
The circuit board in this instrument may contain a manganese dioxide lithium "coin cell" battery
that must be in place for continuity of power to memory devices on the board. This battery is not
user serviceable or replaceable. When appropriate, an authorized YSI service center will
remove this battery and properly dispose of it, per service and repair policies.
ERROR DISPLAYS AND TROUBLESHOOTING
ORP LCD
Display
ATC
Display
DISPLAY
Mode
Possible cause(s)
[Action(s)]
Any Value
"OVER"
or
“UNDR”
Measure
a. Temperature outside -10 to 100.0°C range.
[Bring solution to a lower/higher temp.]
b. Bad sensor. [Replace electrode.]
"OVER" or
“UNDR”
-10 to
100.0°C Measure ORP value outside -1100 to +1100 ORP range .
[Recalibrate, Clean or Replace electrode.]
SPECIFICATIONS
Range Resolution Accuracy
ORP -1100 to +1100 mV 1 mV 1 mV ± 1 LSD
Temp. -10.0 to 100.0 °C Temp. 0.1 °C Temp. ±0.3 °C
Temp. 14.0 to 212 °F Temp. 0.2 °F Temp. ±0.6 °F
ORP
Offset Range User programmable from -999 to 999 mV
Input impedance >1012Ω
Temperature
Temperature sensor Thermistor, 10 kΩ at 25°C
General
Produktspezifikationen
| Marke: | YSI |
| Kategorie: | Handgerät |
| Modell: | EcoSense ORP15A |
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