Extech Instruments Exstik EC500 Bedienungsanleitung Seite 14

Operational Matrix
Function / Power
Mode
Resulting Action Status
Setting
On/Off On or Off Any
Calibration
On PH or
Conductivity
Store Reading
On
Any measure
mode
Hold Release
On
While In Hold
M Ode
Enter Memory
On Any measure
Retrieval
mode
Scroll Stored
On
Memory
Readings
Recall
Exit Memory
On Memory
Retrieval
Recall
Clear Stored On
Any Measure
Memory
Mode
Change
On Any
Measurement Mode
Enter CondfTDS
On
TDS (ppm or
mgA)
Change CondiTDS on TDS ratio
Ratio
Exit CondfTDS
on TDS ratio
Ratio
Change Off
n/a (off
Temperature Units
mode)
Override Auto On
Any measure
Power Off
mode
Default Reset OFF
10
Required Key Press Sequence
Momentary press of the On/Off key
Press & hold CAURECALL key for 2
seconds, until it enters CAL function
Momentary press of the
MODE/HOLD key
Momentary press of the
MODE/HOLD key
Momentary press of the
CAURECALL key followed by a
momentary press of the
MODE/HOLD key (Within 4 seconds)
Momentary press of the
MODE/HOLD key
(Displays "tast in first out')
Momentary press of the
CAURECALL key
Press and hold the On/Off key for 4
seconds, until "Clr• is displayed,
Press and hold the MODE/HOLD key
for at least three seconds (the modes
will scroll by until the key is released)
Press and release the CAL/RECALL
key Wice in quick succession
Momentary press of the
MODE/HOLD key (each key press
increases the ratio by 0.1, the value
cycles from 0.4 - 1.0)
Momentary press of the
CAURECALL key
Press and hold the CAL/RECALL key
then momentarily press the On/Off
key. Release the CAURECALL key
after the "Self Cal" lights
Momentarily press the CAL/RECALL
key then simultaneously press and
hold the OWOFF & MODE/HOLO key
for approximately 2 seconds, until
•oFF" is displayed
Simultaneously press ON/OFF,
CAL/RECALL and MODE/HOLD
momentarily. *dFLt• will be displayed.
EC500-EU V2.o 5/05
Maintenance
Battery Replacement
I Twist off the battery compartment cap
Holding the batteryhousingin placewitha finger,pulloutthe batterycarrierusingthe
2.
two small tabs.
Replacethefour(4) CR2032batteriesobservingpolarity.
3.
Replace the battery compartment cap
4.
You,as theenduser,are legallybound(Batteryordinance)to returnail used
batteriesand accumulators;disposal in the household garbage is prohibited!
You can hand over your used batteries I accumulators,gratuitously,at the
collectionpoints for our branches in your community or wherever batteries/
accumulators are sold!
Disposal
Followthe validlegalstipulations in respectof thedisposalof thedeviceat the
end of its lifecycle
Electrode Replacement
To remove an electrode, unscrew and completely remove the electrode collar (turn
I
the collar counter-clockwise to remove)
Gently rock the electrode from side to side, pulling it downwards, until it disconnects
2.
from the meter.
To attach an electrode, carefully plug the electrode into the meter socket (note that
3.
the electrode connectoris keyed, ensuring proper connection).
Tightenthe electrode collar firmly enough to make a good seal (a rubber gasket seals
4.
the electrode with the meter).
II EC500-EU V2.0 5/05