Elektro Physik MiniTest 7400 FH Wall Thickness Gauge

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The Elektro Physik MiniTest 7400 FH Wall Thickness Gauge is a magnetic thickness gauge with a 24mm measuring range, 0.1µm resolution and ±1µm repeatability. Elektro Physik MiniTest 7400 FH thickness gauges are suited for the thickness measurement of non-magnetic materials such as glass, synthetic materials, stainless steel and composites, and also the measurement of complex component geometries. The Elektro Physik MiniTest 7400 FH's SIDSP sensor ensures high measuring precision and repeatability and compensates for temperature influences of the measuring environment and the measurement object. The sensors are equipped with carbide metal tips making them highly wear-resistant.

Sensor Model	Measuring Ranges	Measuring Tolerance
FH 4	0…2.0 mm with 1.5 mm steel ball 0…3.5 mm with 2.5 mm steel ball 0…6.0 mm with 4 mm steel ball	0…2.0 mm: ± (3 μm + 1 % of reading) 0…3.5 mm: ± (5 μm + 1 % of reading) 0…6.0 mm: ± (10 μm + 1 % of reading)
FH 10	0…4.0 mm with 2.5 mm steel ball 0…7.0 mm with 4.0 mm steel ball 0…10.0 mm with 6.0 mm steel ball 0…13.0 mm with 9.0 mm steel ball	0…4.0 mm: ± (5 μm + 1 % of reading) 0…7.0 mm: ± (10 μm + 1 % of reading) 0…10.0 mm: ± (20 μm + 1 % of reading) 0…13.0 mm: ± (20 μm + 1 % of reading)
FH 10M	0…16.0 mm with 4.0 mm magnetic ball 0…24.0 mm with 6.0 mm magnetic ball	0…16.0 mm: ± (40 μm + 2 % of reading) 0…24.0 mm: ± (60 μm + 2 % of reading)

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Low range resolution	0.1 μm (FH 4) / 0.2 μm (FH 10)
Repeatability	Better than ± (1 μm + 0.5% of reading)
Measuring principle	Magnetostatic
Logging rate	1, 2, 5, 10, 20 readings per second (selectable)
Data memory	240,000 values (limited to 100,000 values on MiniTest 7200 FH)
Calibration modes	Factory, Zero, Zero + up to 4 points
Measuring units	metric (μm, mm), imperial (mils, inch)
Statistical charting	Numeric, trend, and histogram (with MiniTest 7400 FH only)
Interfaces	RS232 TTL + IrDA 1.0 + USB (via connection box)
Operating temperature	–10 °C to +60 °C (Storage temperature: –20°C to +80°C)
Dimension/Weight	153 mm x 89 mm x 32 mm/310 g 6 in. x 3.5 in. x 1.3 in./11 oz. (Gauge with batteries only)
Power supply	4 x AA (LR06) batteries, or optional power unit (90 – 240 V~/48 – 62 Hz)