PCE Instruments PCE-WNM 100 Handleiding

PCE Instruments Meetapparatuur PCE-WNM 100

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Whiteness Meter

PCE-WNM 100

INSTRUCTION MANUAL

1. APPLICATIONS & FEATURES

* Whiteness Meter is mainly used to

directly measure the whiteness value of

object or powder with at surface.

Can be widely used in whiteness

measurement of textile printing and

dyeing, paint, chemical building

materials, paper board, plastic products,

white cement, ceramics, enamel, talc

powder, starch, our, salt, detergent,

cosmetics and other substances.

* It consists of Light Source, Optical

System, Detection System, Data Process

and Display System. The whiteness

Calculation Formula of the instrument is

blue light whiteness R457.

* Use of high quality imported components,

good reliability.

* Pass strict inspection and testing, the

instrument conforms to the JJG 512-

2002 Whiteness Meter Verification

Regulation. Also conforms to GB3978,

GB3979, GB7973, GB7974, ISO2470,

G B 8 9 0 4 . 2 , Q B 1 8 4 0 , G B 2 9 1 3 ,

G B 1 3 0 2 5 . 2 , G B 1 5 4 3 , I S O 2 4 7 1 ,

GB10339, GB5950, GB12911, GB2409

and other standards.

zeroing operation amplier, inputted to

the calibration circuit for energy

calibration. Then, the whiteness value of

the sample is directly shown on the digital

display.

3. NOTE

This instrument is

metrological

appliance, is strictly forbidden to

disassemble, please read the instructions

carefully before use.

WHITENESS METER

PCE-WNM 100

A b l e t o m e m o r y 2 5 4 g r o u p s o f

measurement data.

* There should be no corrosive gas or

vibration source in the operating

environment.

* Use USB data output and RS-232 data

output to connect with PC.

* Provide Bluetooth data output choice.

2. OPERATING PRINCIPLE

* There should be no light exposure and

magnetic eld interference.

* The ambient air should be dry and no

dust, etc.

The light source of the instrument is long-

life LED with 457nm, conforming to the

light source requirement in the JJG 512-

2002 National Metrological Whiteness

Meter Verication Regulation.

* If the instrument is not to be used for any

extended period, remove batteries to

prevent battery leakage corroding

internal circuit.

* The optical path design is reasonable,

simple. Adopt lter system with

correction, the whiteness can be

reected quantitatively.

The measurement of the instrument adopts

the principle of photoelectric eect. The

diuse reectance Radiant Brightness

Energy Value of the sample surface is

receive by the optical cell. Then, the value

is amplied by high-precision auto

* To keep the measuring sensor clean, not

to touch the optical element with hand,

so as not to aect the spectral

characteristics.

N o p r e h e a t i n g a f t e r s t a r t i n g ,

measurements can be taken after simple

calibration, easy to operate.

4. SPECIFICATIONS

Range: 0~120

5-13

Resolution: 0.1

5-14

Illumination condition: 45/0

Illuminant: LED 457 nm

Whiteness Formula:

Blue Light Whiteness WB=R457

Measuring Aperture:

18x11 mm Rectangle

Zero Drift: ≤0.1

5. PANEL DESCRIPTIONS

5-11

5-15

5-12

5-11 Measurement Symbol

5-12 Reading Symbol

5-13 Coupling Symbol

5-14 Measurement Value

5-15 Data Gro up

5-1

5-6

5-7

5-8

5-2

5-3

Stability of Display: ≤0.5

Repeatability of Measurement: ≤0.1

Operating Condition:

Temperature: 0~40 ℃

Humidity: <85 %RH

Power Supply:

6. MEASUREMENT PROCEDURE

6.1 Important Notice

5-4

5-9

5-10

6.1.1 Before using the instrument, it is

necessary to carefully read the manual,

and operate in strict accordance with

the stipulated working conditions and

usage methods.

6.1.2 The standard white board is used for

calibration of the instrument. It is

necessary to keep the surface clean with

no exposure to dust. Avoid articially

aecting its nominal value.

6.1.3 Keep the optical components of the

instrument clean, do not rub or touch

Lithium Battery

5-5

Size: 140x45x75 mm

Weight: 305 g (Including Batteries)

Standard Accessaries:

Main Unit

5-1 Display

5-6 Save Key

5-2 Power key

5-7 Delete Key

5-3 Calibration Key

5-4 Minus Key

5-5 Sensor of Button

5-8 Read/Plus Key

5-9 RS232C Interface

5-10 AC Interface

Standard White Board

Optical Cleaning Cotton Cloth

AC Adaptor

Carrying Case

Operation Manual

them with hands. If there is dust on

optical components, use wash ear ball

to blow o dust on the surface or wipe

with lens wiping paper. If there is oil or

mildew on optical components, use

absorbent cotton dipped in absolute

alcohol to wipe the surface. When the

instrument is not to be used for any

extended period, sheathe it in a dust

cover, which is self-made.

6.2.1 If the uneven surface of the sample can

not be improved, or there are dierence

between the horizontal textures and

vertical textures, measure the sample at

dierent positions or angles, adopt the

average whiteness value as the

whiteness value.

6.2.2 For paper, cloth and various ber

fabric, it is necessary to overlap them

till opaque. If the whiteness value does

not change when increasing the number

of samples, it is opaque.

6.2.3 For powder or small granular samples,

reading is stable. (for the details of Data powder forming apparatus.

6.2.4 For brous materials, such as cotton,

chemical ber, wool, silk, etc. Firstly

sort them out, comb into a vertical

surface, and then placed in a self-made

test box for measurement. Sampling

method (including quantity) should be

unied. It is suggested to prepare a few

more samples for measurement and

Storing, see 6.4.1)

6.3.2 After being used for a period of time,

the instrument needs to be calibrated.

Just place the Standard White Board on

horizontal table, place the instrument

on the Standard White Board, attach the

sensor tightly on the standard white

Board, press and hold the CAL

Calibration Key for about 1 second,

signal CAL. is display on the screen,

6.1.4 Before starting up, clean the measuring

aperture with optical cleaning cotton

cloth. In order to avoid contamination

of the whiteboard and test samples.

6.1.5 Test sample surface should be at or

e v e n . T h e c o n s i s t e n c y o f t h e

longitudinal and transverse directions

of the tested samples should be

maintained in the repeatability test. For

s a m p l e s w i t h o u t f l a t o r e v e n

surface(such as powder, particles,

ber), it is necessary to prepare a

sample board. For details see 6.2

Sample Preparation.

adopt the average value.

6.3 MEASUREMENT & CALIBRATION

6.3.1 I n s t r u m e n t h a s b e e n d e b u g g e d ,

calibrated before leaving the factory,

can be used for a period of time (length

the calibration is completed.

6.4 Data Storing and Browsing

6.4.1 After starting, the Measurement

Symbol is on the display, indicating the

instrument is in a state of measurement,

d a t a s t o r a g e c a n b e o p e r a t e d .

Meanwhile, the display also shows the

n u m b e r o f s t o r e d d a t a . W h e n

measuring, the sensor is completely

attached to the sample surface, the

coupling sign appears on the screen,

after the reading is stable, press the

Save Key, the data is stored in the

instrument, the stored data groups plus

6.2 Sample Preparation

o f t h e t i m e d e p e n d s o n t h e

environment). There is no need to

preheat after starting, measurement can

be directly taken. Press the power key to

start, the Measurement Symbol M is

displayed on the screen, indicating it is

in the measuring state. When measuring,

place the instrument on the sample, fully

attached the sensor to the surface of the

sample, the coupling sign appears on the

screen. Read or o st

r the data when thee

shall be put in powde containers, r

atten with brigh and clean glass t

plate. Dieren preparing conditions t

bring dieren tes results, so, t t in order

to establish the whiteness relationship

between the same kind of samples, the

preparing method must be unied,

including weight, particle size and

pressing method. So tha t the samples

have approximate density and surface

roughness. If igher accuracy is h

required, adop the constan pressure t t

seconds in the measuring state. Then, all

the data stored will be deleted. Err1,

which indicates all the data has been

removed, is also displayed on the

screen.

one. The instrumen can store up to 254 t

groups of data.

6.4.2 To browse the stored da just press the ta,

Read/Plus Key, the Measurement

Symbol disappears on the display,

while the Reading Symbol appears,

indicating it is in browsing state. Press

the Read/Plus Key or Minus Key to

browse the data in the instrument.

Operation Instructions .

8. MAINTENANCE

8.1 Illuminant Lens

7. TRANSFERRING READINGS TO A

COMPUTER

7.1 USB,RS232 Connection Operation

7.1.1 When RS-232C Data Cable with

Software is purchased, data can be

transfered to computer.

7.1.2 Put the RS232 CD into CD-ROM of

computer and install the software.

7.1.3 Connect instrument with computer

through USB,RS232 Cable.

7.1.4 Switch on your gauge and ensure the

Reading Screen is displayed.

7.1.5 Start the software and follow the

instructions included with the software

Demo. EXE.

7.2 Bluetooth Connection Operation

6.4.3 To quit browsing state, just press the

Power Key.

6.5 Data Deleting

There are two ways to delete the data,

single delete and delete all.

It is forbidden to touch it with hands, so as

not to leave a trace, eecting spectral

transmittance. After being used for a long

time, use cotton dipped in Absolute

Alcohol to carefully wipe the lens surface

with tweezers, and then use dry cotton to

wipe and clean it.

A. Single data can be deleted in the

browsing state. Press Read/Plus Key or

Minus Key to call out the data to be

deleted, press the Delete Key, the

current data is immediately deleted.

After deleting the last group of data,

Err1 displayed on the screen, which is

indicates that all the data has been

removed.

B. To move all the data, just press and

hold the DEL delete key for about 3

When Bluetooth connection module and

the adapter is purchased, data can be

transferred to the computer. For detailed

operation please etooth Adapter see Blu 13

Product specificaties

Merk:	PCE Instruments
Categorie:	Meetapparatuur
Model:	PCE-WNM 100

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