Extech Layer-thickness tester, paint-coat measurement CG204 Data Sheet
Product codes
CG204
CG204-EU-EN V2.1 3/11
13
Specifications
Sensor probe
Ferrous
Non-Ferrous
Measurement
principle
principle
Magnetic induction
Eddy current principle
Measuring range
0~1250
μm
0~49.21mils
0~1250
μm
0~49.21mils
Accuracy
1
(% of reading)
0~850
μm: ±(3% + 1μm)
850
μm ~1250μm: (±5%)
0~33.46mils: ±(3% + 0.039mils)
33.46mils ~49.21mils: (±5%)
0~850
μm: ±(3% + 1.5μm)
850
μm ~1250μm: (±5%)
0~33.46mils: ±(3% + 0.059mils)
33.46mils ~49.21mils: (±5%)
Resolution
0~50
μm: (0.1μm)
50
μm ~850μm: (1μm)
850
μm ~1250μm: (0.01μm)
0~1.968mils: (0.001mils)
1.968mils~33.46mil:s (0.01mils)
33.46mils~49.21mils: (0.1mils)
0~50
μm: (0.1μm)
50
μm ~850μm: (1μm)
850
μm ~1250μm: (0.01μm)
0~1.968mils: (0.001mils)
1.968mils~33.46mils: (0.01mils)
33.46mils~49.21mils: (0.1mils)
Min. curvature
radius
radius
1.5mm
3mm
Diameter of Min.
area
area
7mm
5mm
Basic critical
thickness
thickness
0.5mm
0.3mm
Industrial standards
Conforms to GB/T 4956-1985, GB/T 4957-1985, JB/T 8393-1996,
JJG 889-95, and JJG 818-93
JJG 889-95, and JJG 818-93
Operating
Temperature
Temperature
0°C~40°C (32°F~104°F)
Operating Relative
Humidity (R.H.)
Humidity (R.H.)
20%~90% Relative Humidity
Dimensions
110 x 50 x 23mm (4.3 x 2.0 x 1.0”)
Weight
100g. (3.9 oz)
1. Accuracy statement applies on a flat surface, with a zero and a calibration performed
near the thickness of the film to be measured, with an identical base metal and with
the meter stabilized at ambient temperature. The accuracy of the reference films or
any reference standards should be added to measurement results.
the meter stabilized at ambient temperature. The accuracy of the reference films or
any reference standards should be added to measurement results.
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