Specifications - Extech Instruments CG204 User Manual

Specifications

Sensor probe
Measurement
principle
Measuring range
1
Accuracy
(% of reading)
Resolution
Min. curvature
radius
Diameter of Min.
area
Basic critical
thickness
Industrial standards
Operating
Temperature
Operating Relative
Humidity (R.H.)
Dimensions
Weight
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.
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Ferrous
Magnetic induction
0~1250μm
0~49.21mils
0~850μm: ±(3% + 1μm)
850μm ~1250μm: (±5%)
0~33.46mils: ±(3% + 0.039mils)
33.46mils ~49.21mils: (±5%)
0~50μm: (0.1μm)
50μm ~850μm: (1μm)
850μm ~1250μm: (0.01μm)
0~1.968mils: (0.001mils)
1.968mils~33.46mil:s (0.01mils)
33.46mils~49.21mils: (0.1mils)
1.5mm
7mm
0.5mm
Conforms to GB/T 4956-1985, GB/T 4957-1985, JB/T 8393-1996,
JJG 889-95, and JJG 818-93
0°C~40°C (32°F~104°F)
20%~90% Relative Humidity
110 x 50 x 23mm (4.3 x 2.0 x 1.0")
100g. (3.9 oz)
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Eddy current principle
0~1250μm
0~49.21mils
0~850μm: ±(3% + 1.5μm)
850μm ~1250μm: (±5%)
0~33.46mils: ±(3% + 0.059mils)
33.46mils ~49.21mils: (±5%)
0~50μm: (0.1μm)
50μm ~850μm: (1μm)
850μm ~1250μm: (0.01μm)
0~1.968mils: (0.001mils)
1.968mils~33.46mils: (0.01mils)
33.46mils~49.21mils: (0.1mils)
3mm
5mm
0.3mm
13
Non-Ferrous
CG204-EU-EN V2.1 3/11