Hanna Instruments PH GROCHEK Bedienungsanleitung

Instruction Manual

(HI 981408)

pH Tester

for Fertigation Solutions

CAL ON/OFF

p5.8

www.hannainst.com

WARRANTY

This meter is warranted for two years against defects in workman-

ship and materials when used for its intended purpose and maintained

according to instructions. The electrode is warranted for a period of

six months.

This warranty is limited to repair or replacement free of charge. Damages

due to accident, misuse, tampering or lack of prescribed maintenance are

not covered.

If service is required, contact the dealer from whom you purchased the

instrument. If under warranty, report the model number, date of purchase,

serial number and the nature of the failure. If the repair is not covered by

the warranty, you will be notified of the charges incurred. If the instrument

is to be returned to Hanna Instruments, first obtain a Returned Goods

Authorization Number from the Customer Service department and then

send it with shipment costs prepaid. When shipping any instrument, make

sure it is properly packaged for complete protection.

All rights are reserved. Reproduction in whole or in part is prohibited

without the written consent of the copyright owner.

Dear Customer,

Thank you for choosing a Hanna product.

This manual will provide you with the necessary information

for a correct operation. Please read it carefully before using

the meter. If you need additional technical information, do

not hesitate to e-mail us at [email protected].

This instrument is in compliance with the directives.

Remove the instrument from the packing material and exam-

ine it carefully. If any damage has occurred during shipment,

immediately notify your Dealer or the nearest Hanna Customer

Service Center.

The meter is supplied complete with:

•HI 1219 pH electrode

• pH 7.01 buffer solution, 20 mL sachet

• batteries (2x1.5 V AA), already installed

Note: Conserve all packing material until the instrument has

been observed to function correctly. Any defective item

must be returned in its original packing.

PRELIMINARY EXAMINATION

pH is a pH meter specially designed to meet

the needs of operators in hydroponics and greenhouses.

The housing has been completely sealed against vapors and

humidity. It also floats so that it can be quickly retrieved if

accidentally dropped in the tank.

The HI 1219 rugged pH electrode supplied with the meter, is

constructed using the latest double junction technology and

the HANNA instruments® exclusive replenishable fiber junc-

tion. The electrode can be easily replaced by the user, and

the rubber sleeve protects the connector against humidity and

spills.

Measurements are highly accurate and the meter can be

calibrated at one point.

• Ideal for hydroponics and greenhouses

• Waterproof housing floats for quick retrieval

• Manual one point calibration

• Renewable, pull-out junction

• Long battery life (up to 2000 hours)

GENERAL DESCRIPTION

FUNCTIONAL DESCRIPTION

1. Molded eye

2. Liquid Crystal Display

3. pH calibration trimmer

4. ON/OFF button

5. DIN connector for pH electrode

6. Connector protective sheath

7. HI 1219 pH electrode

8. Electrode protective cap

SPECIFICATIONS

Range 0.0 to 14.0 pH

Resolution 0.1 pH

Accuracy (@25°C/77°F) ±0.2 pH

Typical EMC Deviation ±0.2 pH

Calibration Manual, 1 point

Electrode HI 1219 pH electrode, 240 mm (9.4’’) long,

with double junction and DIN connector

Battery Type / Life

2 x 1.5V AA / approx. 2000 hours of continuous use

Dimensions (meter only)

86 x 94 x 33 mm (3.4x3.7x1.3”)

Weight (meter only) 150 g (5.3 oz.)

Hanna Instruments reserves the right to modify the design, construction

and appearance of its products without advance notice.

ACCESSORIES

HI 1219 Spare pH electrode with DIN connector

HI 70004P pH 4.01 solution, 20 mL sachet (25 pcs)

HI 70007P pH 7.01 solution, 20 mL sachet (25 pcs)

HI 70010P pH 10.01 solution, 20 mL sachet (25 pcs)

HI 7004M pH 4.01 solution, 230 mL bottle

HI 7007M pH 7.01 solution, 230 mL bottle

HI 7010M pH 10.01 solution, 230 mL bottle

HI 70300M Electrode storage solution, 230 mL bottle

HI 7061M Electrode cleaning solution, 230 mL bottle

IST981408R1 07/05

CAL ON/OFF

p5.8

3cm

(1¼“)

pH ELECTRODE CONNECTION & MAINTENANCE

In order to protect the DIN connector of the

electrode against vapors and humidity, the

instrument is provided with a waterproof

sheath.

• Slide the protective sheath down, connect the HI 1219 pH

electrode to the DIN connector, and then slide the protec-

tive sheath back up. To ensure maximum protection,

make sure the connector is completely covered.

• Do not be alarmed if white crystals appear around the

electrode protective cap. This is normal with pH electrodes

and they dissolve when rinsed with water.

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

with a few drops of storage (HI 70300) or pH 7 (HI 7007)

solution in the protective cap. Always replace the protective

cap after use.

NEVER USE DISTILLED OR DEIONIZED WATER FOR STOR-

AGE PURPOSES.

• If the electrode has been left dry, soak the tip in a storage

(HI 70300) or pH 7 (HI 7007) solution for at least one

hour to reactivate it.

• To minimize clogging and provide longer life to the pH

electrode, it is recommended to clean it at least once a

month. Immerse the tip of the electrode in HI 7061

cleaning solution for 30 minutes, then rinse it with tap

water and recalibrate the meter

For better accuracy, frequent calibration of the instrument is

recommended. In addition, the meter should be recalibrated:

a) whenever the pH electrode is replaced

b) after testing aggressive chemicals

c) where high accuracy is required

d) at least once a month

CALIBRATION PROCEDURE

• Turn the meter on.

• Remove the protective cap from the

electrode, rinse the tip and immerse it

in the pH 7.01 buffer solution.

• Stir gently and wait for the reading

to stabilize.

• Adjust the “CAL” dial until the LCD

shows “pH 7.0”.

The pH calibration is now complete.

Note: The meter can also be calibrated with pH 4 or pH 10

buffer, if closer to the working range.

CALIBRATION

CAL ON/OFF

p7.0

pH 7.01

BUFFER SOLUTION

20 mL sacket

HI 70007

CE DECLARATION OF CONFORMITY

DECLARATION OF CONFORMITY

Hanna Instruments Srl

Via E.Fermi, 10

35030 Sarmeola di Rubano (PD)

ITALY

herewith certify that the pH meter

has been tested and found to be in compliance with the following regulations:

Electrostatic Discharge

RF Radiated

Fast Transient

Radiated, Class B

Date of Issue: 26-10-1999

D.Volpato - Engineering Manager

On behalf of

Hanna Instruments S.r.l.

HI 981408

IEC 801-2

IEC 801-3

IEC 801-4

EN 55022

EN 61010-1 Electrical Safety

Recommendations for Users

Before using this product, make sure that it is entirely suitable for the environment in

which it is used. Operation of this instrument in residential areas could cause unacceptable

interference to radio and TV equipment.

The glass bulb at the end of the electrode is sensitive to electrostatic discharges. Avoid touching

this glass bulb at all times. During operation, ESD wrist straps should be worn to avoid possible

damage to the electrode by electrostatic discharges.

Any variation introduced by the user to the supplied equipment may degrade the instrument’s

EMC performance.

To avoid electrical shock, do not use this instrument when voltage at the measurement surface

exceeds 24 Vac or 60 Vdc.

To avoid damage or burn, do not perform any measurement in microwave ovens.

Note: The electrode should be submerged at least 3 cm

(1¼”) in the solution.

OPERATIONAL GUIDE

CAL ON/OFF

p5.8

CAL ON/OFF

p5.8

TAKING pH MEASUREMENTS

• Turn the meter on by pushing the

“ON/OFF” button.

• Remove the protective capand im-

merse the electrode tip in the

sample to be measured.

• Allow the reading to stabilize.

BATTERY REPLACEMENT

When the batteries are weak, the display fades, the meter

does not switch on or can not be calibrated.

To replace the batteries, remove the rear panel with and

replace both batteries, while paying attention to the correct

polarity.

Batteries should only be replaced in a safe area and using

1.5V AA alkaline batteries.

Note: Once the batteries have been replaced, recalibrate the

meter.

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