Extech Layer-thickness tester, paint-coat measurement CG204 Data Sheet
Product codes
CG204
CG204-EU-EN V2.1 3/11
2
Introduction
Congratulations on your purchase of the Extech CG204 Coating Thickness Tester. The
CG204 is a portable meter designed for non-invasive coating thickness measurements.
The meter uses two measurement methods: magnetic induction (for ferrous metal
substrates) and eddy current (for non-ferrous metal substrates).
CG204 is a portable meter designed for non-invasive coating thickness measurements.
The meter uses two measurement methods: magnetic induction (for ferrous metal
substrates) and eddy current (for non-ferrous metal substrates).
The meter is easily configured using the intuitive push-button programming menu. Five (5)
film reference samples and two (2) metal substrates are provided. The meter is also
equipped with a USB PC interface port and PC software.
film reference samples and two (2) metal substrates are provided. The meter is also
equipped with a USB PC interface port and PC software.
Proper use and care of this meter will provide many years of reliable service.
Description
Meter Description
1. USB jack for PC interface
2. Measurement probe
3. Backlit LCD display
4. SET /OK /YES /MENU /SELECT button
5. UP /LEFT ARROW button
6. Power ON/OFF button
7. CANCEL /ESC /NO /BACK button (menu mode)
and Backlight ON/OFF (normal mode)
8. DOWN ARROW /RIGHT button
9. ZERO calibration button
Note: Battery compartment on rear of meter
Display Icon Description
NFe
Non-ferrous metals
Fe
Ferrous metals
AUTO
Automatic substrate recognition
F or N
Calibration icons
DIR
DIRECT mode
GRO1…4
GROUP Mode
µm
Micrometers unit of measure
mils
mils = millimeters * 2.54/100
mm
Millimeters unit of measure
AVG
Average reading
MIN
Minimum reading
MAX
Maximum reading
SDEV
Standard Deviation reading
NO
Number of data points
Low battery
USB Connection
Note: The unit of measure icon flashes when in the CONTINUOUS mode of operation.
The unit of measure icon is stable when in the SINGLE mode of operation.
The unit of measure icon is stable when in the SINGLE mode of operation.