EUTECH INSTRUMENTS ECOTestr EC High Manual De Instrucciones página 2

EcoTestr EC High / EC Low / TDS High / TDS Low / Salt
Before First Use: Soak sensor for 2 minutes in alcohol to remove stains/oils. Rinse in clean water.
Testing:
1. Remove cap and press
2. Dip sensor fully into the test solution.
3. Stir once and let the reading stabilize. Note the measured value.
4. To hold reading, press
in hold mode. Press
5. Press to shut the tester off.
Note: Tester automatically shuts off after 8.5 minutes of non-use to conserve batteries.
TDS Factor Setting: (Only for TDS Models)
1. Press to turn off the tester
2. Press and hold , then press
3. Press to scroll to TDS factor value
4. Release and wait for the auto confirmation.
5. To abort TDS factor setting, press
Calibration: The tester is factory calibrated. However, to ensure accuracy, regular calibration is recommended.
1. Soak sensor in alcohol for 10 minutes to remove stains/oils. Rinse in clean water and blot sensor dry.
2. Press to turn on the tester.
3. Dip sensor fully into standard solution and wait for the value to stabilize.
4. Press to enter the calibration sequence. CAL will flash momentarily and then show a flashing default reading.
5. Press to scroll to the standard solution value.
6. Release and wait for the auto confirmation.
7. To abort calibration, press
8. You have successfully calibrated the instrument.
Maintenance:
Clean the stainless steel sensor by periodically rinsing them in alcohol for 10 – 15 minutes. Rinse sensor in clean
water after each use.
CHANGING BATTERIES: Lift up front battery cover and two sides of
the pocket clip to remove battery cover. Remove old batteries and
replace with fresh ones noting polarity as shown in battery
compartment. No need to re-calibrate after battery change since tester's
non-volatile memory function retains calibration.
Error Messages:
1. Er – Calibration is performed in solution value below 5% of full-scale range. Use higher value calibration
standard. Faulty temperature sensor.
2. Or – Over range signal for measurements performed above the full-scale range.
Reset Option: Reset option allows you to restore the calibration back to factory default settings
1. Press to turn off tester
2. Press and hold button, then press
3. Press button again to confirm reset (Ent) or press
2 of 12
to turn on the tester.
. Screen flashes HO once, blinking of unit ( μS / mS / ppm / ppt ) indicates the tester is
again to cancel hold mode (HC)
to turn the tester on. The display shows tdS.
to escape (ESC).
to escape (ESC).
to turn the tester on. The display shows a flashing rSt (reset)
to escape (ESC) reset option.
ECOTestr EC & TDS
www.eutechinst.com