STEP Systems ECO pH Bedienungsanleitung Seite 2

ECO pH-Tester Manual
Front panel and display
2
S
P
E
T
S
1
ON/OFF
SET
MODE HOLD
www.stepsystems.de
7
Technical data
Range 0 to 14 pH, -5 to 60°C (23 to 140°F)
Resolution 0,01 pH, 0,1°C (0,1°F)
Accuracy ± 0,01 pH, ± 0,5°C (± 1°F)
automatic 1- or 2-point calibration
Calibration
Temperature com-
automatic
pensation
4 x 1,5V button type,
Battery
approx. 100 hours of use
Auto-off after 8 minutes of non-use
Envirment -5 to 50°C (23 to 122°F), RH 100%
waterproof
Housing
Dimension 175,5 x 39 x 23 mm
Weight 100 g
Warranty 1 year, 3 month electrode
All manuals and user guides at all-guides.com
1. On/Off and Mode
2. Display
3. Set and Hold
4. Battery (inside)
5. Electrode body
6. pH electrode and tem-
perature sensor
3
4
4
3
5
2
+
6
CAL
ATC
1
1. Automatic temperature
compensation
2. Calibrated meter
3. Low battery
4. Stability indicator
5. Measurement unit
6. Measurement display
7. Temperature display
STEP Systems GmbH
Duisburger Str. 44
D-90451 Nürnberg
Tel: 0049 (0) 911-96 26 050
Fax: 0049 (0) 911-96 26 059
e-Mail: info@stepsystems.de
Internet: www.stepsystems.de
Operation
Turn on and measurement
1. Press and hold
2. Remove the protective cap of the electrode.
The tester is now ready for operation.
3. Put the electrode into the sample. The stability indicator shows
a stable measurement result.
4. Freeze the display with
to measurement mode.
5. To turn off the tester press
OFF .
6. Clean the electrode after each measurement session with
distilled water. Put a few drops calibration solution pH 4,01 in
the protective cap and put on the cap.
Do never store the electrode in destilled water.
5
Calibration
pH
Calibrate the ECO pH-Tester, if
• the electrode has been replaced
6
• min. once per month
°C • to ensure accurate results
7
°F
• after measuring agressive chemicals
1. Press ON/OFF
2. After a few seconds press and hold
shows OFF
CAL
3. When
4. The display shows
5. Put the electrode in the calibration solution pH 7.01.
The display shows
6. To finish the
returns to the measurement mode.
For a 2-point-calibration
calibration solution pH 4.01 or 10.01.
The display shows
7. After about 12 seconds the display shows
calibration is successful. The tester returns to the measu-
rement mode.
Maintenance
Change the electrode
1. Unscrew the retaining ring and put it off.
2. Pull off the old electrode body.
3. Put on the new electrode body.
4. Screw the retaining ring on.
5. Calibrate the electrode.
Change the battery
1. When the display shows the battery icon, change the batteries.
2. Unscrew the retaining ring and put it off.
3. Pull off the electrode body.
4. Pull out the battery compartment gently.
5. Change the four 1,5V button batteries, pay attention to the
polarity.
6. Press the battery compartment carefully back into the ECO
pH-Tester.
ON/OFF until the display lights up.
SET/HOLD . Press any button to return
ON/OFF until the display shows
to turn the tester on.
ON/OFF
followd by CAL .
ON/OFF
is shown release .
pH 7.01 USE .
OK1 .
1-point calibration , press
, clean the electrode and put it in the
pH 4.01 USE .
Printed in Germany 2020
All rights reserved
, until the display
ON/OFF , the tester
OK 2 , when the