Checkline PM4 Manual do Utilizador descarregar pdf (Página 4)

 Electromatic Equipment Co., Inc

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4.0 CONTACT-FREE TEMPERATURE SENSOR

The back side of the humimeter PM4 contains

an embedded temperature sensor for the

contact-free temperature measurement below

the sensor. This ensures the determination of

the temperature of the product within seconds

and consequently the temperature

compensation of the displayed water content.

The sensor must not be covered by a hand or

any other object!

5.0 CALIBRATION CURVES

name

paper type

density

600 paper

Very low density paper 600 kg/m³

650 paper

Low density paper 650 kg/m³

700 paper

Low density paper 700 kg/m³

750 paper

Fluting, Schrenz 750 kg/m³

800 paper

Newsprint paper 800 kg/m³

850 paper

Kraftliner brown 850 kg/m³

900 paper

Kraftliner White Top, Testliner brown 900 kg/m³

950 paper

Testliner white, copy paper 950 kg/m³

1000 paper

Copy paper, LWC raw 1000 kg/m³

1050 paper

Copy paper calendered 1050 kg/m³

1100 paper

Copy paper calendered 1100 kg/m³

1200 paper

LWC calendered 1200 kg/m³

1300 paper

Flysheet paper 1300 kg/m³

1400 paper

Flysheet paper 1400 kg/m³

1500 paper

Flysheet paper high density 1500 kg/m³

1600 paper

Flysheet paper very high density 1600 kg/m³

Empty 1700

For creation of customer calibration curve

Empty 975

For creation of customer calibration curve

Empty 550

For creation of customer calibration curve

reference

! Only for checking the instrument !

6.0 LIST OF CALIBRATION CURVES

By pressing one of the arrow keys in the measuring

window for approx. 3 seconds a list of all available

calibration curves opens. Now you can select your

desired curve using the arrow keys and confirm by

pressing

 Electromatic Equipment Co., Inc

-13-

17.0 COMMON REASONS FOR INCORRECT MEASUREMENTS

• Wrong calibration curve

Double-check the correct selection of the calibration curve before measuring.

The calibration curve „reference“ must NOT be used.

• Inadequate thickness of the paper pile

A single sheet of paper must NOT be measured. Make sure that the paper pile

below the steel clamps has a thickness of at least 100 mm.

• Electro conductive material

Every metallic object as well as electro conductive packing material e.g. paper

coloured by soot or wire has a negative effect on the accuracy of your

measurement. Make sure that in an area of 20 cm below the sensor steel

clamps there is no such material.

• Product temperature out of application range

The application range is between 0 and +60°C.

• Discrepancy in temperature between device and material

Please ensure that the device and the material under test are being stored at

nearly the same temperature before measuring. A high temperature difference

has a negative effect on the stability of the measurement results.

• Measurement at the front side

A measurement at the front side of a paper roll will bring different measuring

results. For that you have to select a different calibration curve.

• Bended steel clamps

If the steel clamps (measuring area) are bended you might get wrong measuring

results.

Please note:

• After measuring at the running paper roll for a longer period the steel clamps will

get hot – don´t touch! => risk of getting burned!

• Measuring fine paper at the running roll may cause pressure marks on the paper

=> for possible damages at the paper we refuse any liability.

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PAPER ROLL MOISTURE METER 9

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