Kett HM-540 Manuale utente

Wood Moisture Tester

HM-540

Operating Manual

Thank you for purchasing this product.

Please read the operating manual carefully and use this product properly.

Safety Precautions

If the safety precautions for the wood moisture tester are not observed damage to property may

result. While the safety of the product has been given considerable attention, read the precau-

tions in the operating manual and use the instrument properly.

• Observe the safety precautions.

Read the precautions noted in the operating manual.

• Do not use if broken.

Immediately contact our service representative if the unit malfunctions or does not

operate properly.

• Meaning of warning symbols.

In order to prevent damage resulting from erroneously operating the equipment, the

following symbols are indicated in the operating manual and on the product. These

symbols have the following meanings.

Note Items which the user should be aware of in order to use the unit safely.

CONTENTS

1. Features of Wood Moisture Tester HM-540....................................... 4

 2.Specications ................................................................................... 5

3. Part Names........................................................................................ 6

4. Description of Display........................................................................ 8

5. Battery Installation............................................................................. 9

6. Measurement Method...................................................................... 10

7. Various Settings............................................................................... 12

8. Extension functions [Other settings]................................................ 20

9. Notes Regarding Measurement....................................................... 29

This unit is a handy high-frequency moisture tester with integrated main unit and

sensorsection.Specifyingthethicknessofthewoodandthespecicgravityallowsthe

moisture of various kinds of woods to be measured. The moisture can be measured just

by pushing this device against an object to be measured, and therefore, the surface of

the wood is not spoiled. You can utilize this device as a device for moisture management

in the industry of handling wood including timber drying factories, antiseptic treatment

factories, lumber mills, plywood mills, wooden furniture factories, housing manufacturers,

and construction rms. This device has been authorized as a good moisture content

meter (authorization number: 1-21-001) in "Authorization as Moisture Content Meter

Used for Conifer Timber" by the Japan Housing and Wood Technology Center.

1. Features of Wood Moisture Tester HM-540

●Measuring principle

The more wood contains moisture, the

larger the high frequency capacity becomes.

Measuring af ter obtaining the relationship

between the moisture and high frequency

capacity allows the moisture to be obtained.

This device displays a moisture value by

applying this principle.

Measurement method : High frequency capacitance (20MHz)

Application : Wood

Measurement range : 2-150%(specicgravityandtreespeciesdependent)

Measurement precision :

Standard error: 0.5% or less (our standard sample, cedar/cypress: 20% or less)

Drying method: JIS Z 2101:2009

Data memory : 999 points

Compensation function : Thickness : 10-40 mm

Specicgravity:0.1to1.25(upto3settingvaluesstorable)

Moisture:slope(0-2.50),offset(−9.9-9.9)

Temperature:Automatic(10-40˚C),Manual(−10-70˚C)

Other functions : Statistics, Auto power off, Auto hold, Upper limit alarm, etc.

Display : 128 × 64 dot matrix LCD

Power supply : 9V alkaline battery (006P) ×1

Power consumption :350 mW

Dimensions and weight : 72 (W) ×146 (D) ×118 (H) mm, approx. 0.39 kg

Accessories :9V alkaline battery (006P) ×1, carrying pouch, specific gravity table,

operating manual

Options : Data Logger Software HDL-02 (USB)

2. Specications

3. Part Names

key

Used to determine settings

or item selection.

［▲

］［ ▼ ］ keys

Used to move to differing

items on the sc reen or

used to change the number

values on the screen.

USB connector

OFF button

Turns the power on and off.

Battery compartment

Moisture sensor (back side)

Buzzer

HOLD button

Used to hold or cancel the measured

value on the screen.

Display

Strap

Specicgravitytable Operating ManualBatteries (9V)

9V alkaline battery (006P) ×1

Data Logger

Software HDL-02

Carrying pouch

4. Description of Display

Item No.

Items to be displayed

①Thisindicatorisdisplayedwhentheremainingbatterycapacityisinsufcient.

［］

Low battery,

［］

Battery replacement

②The data number is displayed when the data memory is set.

③An icon ( ) is displayed when the measured value is held.

④

Theselectedobjecttobemeasuredisdisplayed.WhenSGisselected,thevalueofthespecicgravityisdisplayed.

⑤The date [Year/ month/ day] and time are displayed.

⑥The icon () is displayed when the correction setting of the measured value is conducted.

⑦The measured moisture value (%) is displayed. When the value exceeds the measurable

range, "Over Range" is displayed.

⑧The thickness setting value of the object to be measured is displayed.

⑦

④

①

②

③

⑤

⑥

⑧

The power supply of this unit uses one 9V (006P alkaline) battery.

Pull your thumb in the direction

of the arrow to remove the

battery compartment lid.

Put in the batter y properly

with attention to the positive (+)

andnegative(−)directions.

5. Battery Installation

6. Measurement Mode

Step

Operation Display Operation description

Start measurement

State of directing the

device to air until the

measurement screen

is displayed

Example) Cedar

measurement screen

Press the ON

OFF button with the moisture sensor

facing the air.

* The device is regulated at power-on. For accurate

me asurement, b e sur e to turn on th e power

with the moisture sensor facing the air. Keep

the moistur e se nsor facing the air until the

measurement screen is displayed.

The measurement screen is displayed about 3

seconds after the buzzer sounds.

* If setting is changed, the display section may

differ.

OFF button

Moisture sensor

Indice

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