Adwa ECO209 Manual

Adwa Måleudstyr ECO209

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USER MANUAL

ECO209 - pH Monitor

ISTECO209 09/14

WARRANTY

This instrument is warranted from all defects in materials and

manufacturing for a period of 2 years from the date of purchase.

Electrodes and probes are warranted for a period of 6 months.

If during this period, the repair or replacement of parts is required,

where the damage is not due to negligence or erroneous operation by

the user, please return the parts to either dealer or our office and the

repair will be effected free of charge.

Note: We reserve the right to modify the design, construction and

appearance of our products without advance notice.

SPECIFICATIONS

Range 0.0 to 14.0 pH

Resolution 0.1 pH

Accuracy (@25°C) ±0.2 pH

pH electrode AD1230B

Calibration Manual, 2-point, through trimmers

Environment 0 to 50 ºC, 95% RH max

Power supply External, 12 Vdc

Dimensions 120 x 134 x 54 mm

Weight approx. 250 g

ACCESSORIES

AD1230B pH electrode with plastic body, double junction BNC

connector and 2 m cable

AD70004P pH 4.01 buffer solution, 20 ml sachet (25 pcs.)

AD70007P pH 7.01 buffer solution, 20 ml sachet (25 pcs.)

AD70010P pH 10.01 buffer solution, 20 ml sachet (25 pcs.)

AD70000P Rinse solution, 20 ml sachet (25 pcs.)

GENERAL OPERATIONS

• The unit is supplied complete with AD1230B pH electrode.

Connect the electrode to the BNC connector on the bottom of

the meter. Do not be alarmed if white crystals appear around

the electrode protective cap. They dissolve by simply rinsing

with water.

• If the electrode is dry, soak the tip in electrode rinse solution

for one hour to reactivate it.

• Connect the supplied 12 Vdc adapter to the power supply

connector and to the mains.

• Make sure the unit has been calibrated for pH before using it.

• The meter is supplied with a differential input and a stainless

steel probe to prevent potential grounding problems.

• For taking measurements remove the protective cap from the

pH electrode and immerse the tips (4 cm) of both pH electrode

and grounding probe into the solution to be measured, then

shake briefly.

• The display will show the pH value. Wait a few seconds for

the reading to stabilize and the meter will start continuous

monitoring.

• To turn the unit off simply unplug the 12 Vdc adapter from the

mains.

CALIBRATION PROCEDURE

A new pH meter must always be calibrated before use.

The ECO209 pH-Monitor can be calibrated manually over 2 points,

at pH 7 and pH 4 (or pH 10).

If you are going to measure acidic samples (pH value between

0 and 7), it is suggested to calibrate with pH 7.01 and pH 4.01

buffer solutions.

If your samples are alkaline (pH value between 7 and 14), use

pH 7.01 and pH 10.01 buffer solutions.

• Immerse the tips of electrode and grounding

probe in a new pH 7 calibration solution and

allow the reading to stabilize.

• Using a small screwdriver adjust the pH 7

calibration trimmer to read pH "7.0".

• Rinse the electrode in the rinse solution.

• Immerse the tips of electrode and grounding

probe in a new pH 4 (or pH 10) solution and

wait for the reading to stabilize.

• Adjust the pH 4 calibration trimmer to read

pH "4.0" (or pH "10.0").

• The pH calibration procedure is now complete and the meter

is ready for use.

CALIBRATION 

SOLUTION

pH ELECTRODE MAINTENANCE

• The electrode should always be kept moist and wet. If the

electrode dries out, soak it in rinse solution for at least 1 hour.

• When not in use, rinse the electrode with water and store it

with a few drops of pH 7 or rinse solution in the protective

cap.

• Always replace the protective cap after use.

Produkt Specifikationer

Mærke:	Adwa
Kategori:	Måleudstyr
Model:	ECO209

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