PCE Instruments PCE-WNM 100 Käyttöohje
PCE Instruments
Mittauslaitteet
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 amplier, 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
a
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 Verication 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
reected quantitatively.
The measurement of the instrument adopts
the principle of photoelectric eect. The
diuse reectance Radiant Brightness
Energy Value of the sample surface is
receive by the optical cell. Then, the value
is amplied by high-precision auto
2
* To keep the measuring sensor clean, not
to touch the optical element with hand,
so as not to aect 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.
1
3
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
M
R
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 articially
aecting its nominal value.
6.1.3 Keep the optical components of the
instrument clean, do not rub or touch
6
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
4
5
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 dierence
between the horizontal textures and
vertical textures, measure the sample at
dierent 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
unied. 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
9
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
10
shall be put in powde containers, r
atten with brigh and clean glass t
plate. Dieren preparing conditions t
bring dieren tes results, so, t t in order
to establish the whiteness relationship
between the same kind of samples, the
preparing method must be unied,
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.
7
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, eecting 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
11
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
8
12
Tuotetiedot
| Merkki: | PCE Instruments |
| Kategoria: | Mittauslaitteet |
| Malli: | PCE-WNM 100 |
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