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Samples must be tested using the appropriate sensor to get reliable
results. Using an incorrect sensor can lead to false negatives and false
positives. Use the specifications below to choose the correct sensor for
your sample.
Placing the included calibration disk behind the sample during testing
can enhance the reliability and allows the sensor to test thinner samples.
The column indicating "with Cal Disk" is the minimum testable thickness
when using testing with the calibration disk behind the sample.
Onboard Sensor
Category
Gold 99.9%+
Gold Alloys
Silver 99.9%+
Silver Alloys
Platinum
Palladium
Rhodium
Small Wand
Category
Gold 99.9%+
Gold Alloys
Silver 99.9%+
Silver Alloys
Platinum
Palladium
Rhodium
Sensor Selection
Min. Diameter
24.0 mm
Min. Diameter
8.0 mm
Min. Thickness
1.1 mm
2.4 mm
1.0 mm
1.1 mm
2.4 mm
2.4 mm
1.6 mm
Min. Thickness
0.8 mm
1.7 mm
0.8 mm
0.8 mm
1.7 mm
1.7 mm
1.1 mm
8
Min. Thickness
(with Cal Disk)
0.8 mm
1.7 mm
0.8 mm
0.8 mm
1.7 mm
1.7 mm
0.9 mm
Min. Thickness
(with Cal Disk)
0.4 mm
1.0 mm
0.4 mm
0.4 mm
1.0 mm
1.0 mm
1.0 mm
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Questions and answers
I've not used my model SM1501 for a couple of years and when you hit the power button the green light came on and then it turned right back off I then charged it over night and it did the same thing again why is this happening and how do I fix this problem