General DSMM500 Bedienungsanleitung

SOIL

MOISTURE METE

Model : DSMM500

Your purchase of this

SOIL MOISTURE METE

marks a step forward for

you into the field of

precision measurement.

Althou

h this METER is

a complex and delicate

instrument, its durable

structure will allow

many years of use if

proper operatin

techniques are

developed. Please read

the followin

instructions carefully

and always keep this

manual within easy

reach.

OPERATION MANUAL

TABLE OF CONTENTS

1.FEATURES................................................................

2.SPECIFICATIONS......................................................

3.FRONT PANEL DESCRIPTION.....................................3

3-1 Soil moisture Probe.............................................

3-2 Moisture Sensin

Head........................................

3-3 Power Button...................................................... 3

3-4 Hold Button........................................................

3-5 REC Button.........................................................

3-6 LCD Display........................................................

3-7 Battery Compartment/Cover.................................3

4. MEASURING PROCEDURE..........................................4

4-1 Measurement by selecting the different

material............................................................4

4-2 Data Hold...........................................................

4-3 Data Record........................................................5

5. BATTERY REPLACEMENT...........................................6

1. FEATURES

* Designed to check the moisture level of soil or other

similar material.

* Measurement range : 0 % to 50 % moisture content

of soil sample with 0.1 % resolution.

* All in one digital soil meter, easy to make operation.

* Data hold function to freeze the desired value on display.

* Microprocessor circuit ensures high accuracy and

provides special functions and features.

* Operates from DC 1.5V ( UM4/AAA ) x 4 PCs batteries.

* Built-in low battery indicator.

* Durable, long-lasting components, enclosed in strong,

compact ABS-plastic housing.

2. SPECIFICATIONS

Applications Designed to check the moisture level of

soil or other similar material.

Measurin

Used the 2 pins electrode to measure the

Principal conductive ability of the species, then

converter to the reading of % " Moisture

content " of soil sample.

Display LCD size : 28 mm x 19 mm.

Measurement 0 % to 50 % moisture content on soil.

Range

Resolution 0.1 %.

Accuracy ± ( 5 % + 5 d ) F.S.

@ 23 ± 5 , F.S. : full scale.℃℃

Circuit Custom one-chip of microprocessor LSI

circuit.

Probe 2 pins moisture electrode.

Data Hold Freeze the display reading.

Sampling Time Approx. 0.8 second.

Operating 0 to 50 .℃

Temperature

Operating Less than 80% R.H.

Humidity

Power Supply DC 1.5 V battery ( UM4/AAA ) x 4 PCs,

Power Current Approx. DC 5 mA

Weight 267 g/ 0.58 LB.

@ Battery is included.

Dimension

Meter body :

172 x 40 x 40 mm ( 6.8" x 1.6" x 1.6" ).

Probe body :

202 mm x Dia. 10 mm

8" x Dia. 0.4" .

Total length ( meter + probe ) :

374 mm ( 14.7 " ).

Accessories Instruction manual..................1 PC.

Included

3. FRONT PANEL DESCRIPTION

Fig. 1

3-1 Soil moisture Probe

3-2 Moisture Sensing Head

3-3 Power Button

3-4 Hold Button

3-5 REC Button

3-6 LCD Display

3-7 Battery Compartment/Cover

4. MEASURING PROCEDURE

4-1 Soil measurement

1)Turn on the meter by pressing the " Power Button "

( 3-3, Fig. 1 ) momentarily.

* Press the " Power Button " ( 3-3, Fig. 1 )

momentarily again will turn off the meter.

2)Insert the " Moisture sensing head " ( 3-2, Fig. 1 ) into

the measured soil.

It is recommended that probe head should be

inserted into the soil at least 10 cm when make

the measurement..

Soil moisture

Probe

Fig. 2

Moisture

Sensing Head

Consideration :

If the sample soil under testing has a high

moisture content it may take a few minutes t

obtain a stable reading.

4-2 Data Hold

* During the measurement, press the " Hold Button "

( 3-4, Fig. 1 ) momentarily to hold the measured

value. The LCD will show a " HOLD " symbol.

* Press the" Hold Button " once again to release the

data hold function.

4-3 Data Record ( Max., Min. reading )

1)The data record function records the maximum and

minimum readings. Press the " REC Button " ( 3-5, Fig.

1 ) momentarily to start the Data Record function,

shows " REC " on the display.

2)With the " REC " symbol on the display.

a)Press the " REC Button " ( 3-5, Fig. 1 ) momentarily,

the " REC MAX " symbol along with the maximum

value will appear on the display.

b)Press the " REC Button " ( 3-5, Fig. 1 ) momentarily

again, the " REC MIN " symbol along with the

minimum value will appear on the display.

* When display shows " REC MAX " or " REC MIN ",

press the " Hold Button " ( 3-4, Fig. 1 )

momentarily will delete the max. ( min. ) value,

the display will show the " REC. " only and

execute the memory function continuously.

c)To exit the memory record function, press the

" REC " button for 2 seconds at least. The display will

revert to the current reading, not show " REC "

5. BATTERY REPLACEMENT

*Replace the batteries when the left corner of the LCD

displays the low battery icon " ", using 4 fresh

1.5 V ( UM4, AAA ) batteries.

*To change the batteries, open ( rotate clockwise direction )

the " Battery Cover " ( 3-7, Fig. 1 ).

*Make sure the " Battery cover " (3-7, Fig 1) is secured

after changing the batteries.

60904-PMS714-GENERAL-DSMM500

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