Kett LE-200C User manual
Operation Manual
Model LE-200C/LH-200C/LZ-200C
Coating Thickness Testers
1. Features ................................................................................................................. 1
2. Specifications ........................................................................................................ 2
3. Measurement Principles....................................................................................... 3
4. Part Names and Functions................................................................................... 4
5. The Keyboard ........................................................................................................ 6
6. Operating the Coating Thickness Tester ......................................................... 10
(1)Measurement Preparations ........................................................................ 10
(2)Calibration Preparations ............................................................................ 13
(3)Calibrating the Coating Thickness Tester................................................ 14
(4)Making Measurements................................................................................ 18
(5)Measurement Example ............................................................................... 20
7. Using the Function Modes ................................................................................. 22
8. Master Calibration............................................................................................... 28
9. Notes Regarding Measurement and Handling................................................. 30
Battery Replacement ....................................................................................... 31
10. Using the Soft Case ............................................................................................ 32
Contents
LZ-200C
The LZ-200C is a dual type
non-destructive thickness
tester using electromagnetic
conduction and Eddy current
methods which can measure
various coatings on iron and
non-conductive substrates
quickly and accurately.
LE-200C
For measurement of non-
magnetic films on iron and
steel.
Using magnetic induction
method and a built-in printer
the LE-200C thickness tester
cancalculateaveragestandard
deviation, maximum value
read, minimum value read and
number of samples taken with
the push of a single button.
LH-200C
For measurement of non-
conductivefilms on non-ferrous
metals.
The LH-200C thickness tester
measures with Eddy current
and is equipped with a built-in
printer.
Pushing a single button will
calculate maximum value
read, minimum value read and
number of samples taken.
1.Features
1Calibration Memory Function
Because the LE-200C • LH-200C • LZ-200C store set calibration
parameters (up to a maximum of four types for both the
electromagnetic and high-frequency functions) in its microcomputer
memory, measurements can be made immediately after turning
on the power if the material being measured is the same.
2Hardcopy Printout of Statistical Calculation Values
Statistical calculations such as average values, standard deviation,
maximum and minimum values can be calculated and printed out
automatically at the press of a key.
3Limit Function
The LE-200C • LH-200C • LZ-200C can be set to sound a buzzer
and print a warning mark if measured coating thickness values fall
outside of a present pre-set range (low and upper limit).
1
Coatings Measured Substrate
Paint Chrome
Plastic Tin
Lacquer Copper
Resin Aluminum
Rubber Enamel
Oxidation Lining
Zinc Others
Iron
Steel
The LE-200C • LH-200C • LZ-200C is a coating thickness tester with built-in printer which features both electromagnetic and high-frequency
coating thickness measurement functions.
• Applications
LE-200C, LZ-200C
Electromagnetic Measurement Format (Coatingthickness
measurement for non-magnetic coatings on magnetic metal surfaces)
Aluminum
Copper
Brass
Stainless steel
(non-magnetic)
Etc
.
LH-200C, LZ-200C
High-Frequency Measurement Format (Coating thickness
measurement for insulating coatings on non-magnetic metals)
Coatings Measured Substrate
Paint Anodized
Plastic Aluminum
Lacquer Resist
Resin
Rubber
2
2.Specifications
LZ-200C
Measurement Format LE-200C LH-200C
Electromagnetic High-Frequency
Probe Type LEP-20C(Fe) LHP-20C(NFe)
Object of Measurement Non-magnetic coatings on iron and steel substrates Insulating coating on non-magnetic metal substrates
Measurement Range 0 ~ 1500µm or 60.00mils 0 ~ 800µm or 32.00mils
Measurement Units µm or mils (selectable) µm or mils (selectable)
Measurement Precision Under 15µm : ±0.3µm (absolute error) Under 50µm :±1µm (absolute error)
15µm or greater : ±2% (relative error) 15µm or greater : ±3% (relative error)
No. of Calibration 44
Parameter Memories
Resolution 0.1µm (less than 100µm) 1µm
1µm (100µmor greater)
Min. Measurement Surface Area
3 x 3mm 5 x 5mm
Display 16-digit dot-matrix LCD
Statistical Functions
No. of measurements, number of block numbers, average value, standard deviation, maximum value, minimum value
Data Memory Capacity Coating data : 1,500 items No. of blocks per lot : 99
Printer 24-character thermal printer with 58mm paper width
Power Supply 100V AC (50/60Hz) or 6 size AA dry-cell batteries (main unit)
4 size AA dry-cell batteries (printer)
Operating Temperature 0 ~ +40˚C
Main Unit Weight Approximately 1,100g
Dimensions Main Unit : 55(height) x 120(width) x 250(depth) Probe :11mm ø x 90mm
Accessories 1 carrying case, 1 AC adapter, 1 iron substrate S45C(except the LH-200C), 1 set of calibration foils, 2 rolls of
printer paper
Electromagnetic Induction
LE-200C, LZ-200C
When an alternating current electromagnet is brought near iron, the
number of magnetic flux lines passing through the coil and the voltage
at both ends of the coil changes.
This change is read as the coating thickness.
3.Measurement Principles
3
High-Frequency Format
LH-200C, LZ-200C
When an induction coil through which a fixed high-frequency current
is passing is brought near metal, an eddy current is produced above
the metal surface. This eddy current changes depending on the
distance between the surface on the metal and the induction coil.
This change is read as the coating thickness.
i
i
D
Electromagnetic coil
Non-magnetic
coating
Iron substrate
Low frequency
power supply
Change
in current
Coating thickness D
i
i
D
Electromagnetic coil
Insulating coating
Non-ferrous matal
High frequency
power supply
Change
in current
Coating thickness D
4.Part Names and Functions
4
AC adapter
socket
Probe Socket
Power Switch
(1) Main Unit
Main Unit Battery
Compartment
Printer Battery
Compartment
Printer Paper
Compartment
Printer Paper
Compartment Cover
Printer Paper Cutter
Printer
LCD Display
Keyboard
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2
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