FMA TEST UNITS FOR MEASUREMENT OF:
Non-metallic inclusions
Metal cleanliness influences nearly all parameters of casted pieces and the casting process. Thus, tests of the melt material are of particular importance. With the devices of FMA the quality of the metal melts is simply investigated. Dross test method is used to qualify the non-metallic inclusions in a very cheap and quick way and the Straube-Pfeiffer test allows to show gas inclusions in the metal.
ALU SPEED TESTER
One device - four measurements
The «ALU SPEED TESTER» developed by FMA, can be used to take four measurements. It is a hydrogen measurement tester which can in addition measure density samples and do the Dross and Straube-Pfeiffer test.
The device distinguishes itself due to its compactness, easy operation and speed. Hydrogen measurement can be completed in less than a minute.
This device has USB, Ethernet, and RS232 as standard interfaces, storage of measuring results on device, display of results on a colour display, and setting parameters with touch screen. In addition, with our software, data can be graphically displayed, statistically evaluated, and transferred into other programmes.
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USB-, ETHERNET-, RS232 INTERFACE
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STORAGE OF MEASURING RESULTS
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COLOUR-DISPLAY
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TOUCH-SCREEN
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DATA EXPORT FOR ANALYSIS
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FMA-PRINTER (optional)
| Measuring time | Serial Interface | Voltage | Dimensions | Weight |
| < 1 Minute | USB, Ethernet and RS232 | 230 VAC or 115 VAC | 630 x 555 x 490 mm | ca. 50,6 kg |
| Measuring time | < 1 Minute |
| Serial Interface | USB, Ethernet, and RS232 |
| Voltage | 230 VAC or 115 VAC |
| Dimensions | 630 x 555 x 490 mm |
| Weight | ca. 50,6 kg |
Hydrogen measuring
The basic unit is a compact and easy to operate hydrogen measuring device. The hydrogen measurement with «ALU SPEED TESTER» is based on the first gas bubble principle of Y. Dardel.
| Measuring range | 0,05 - 9,99 ccm/100g |
| Repetion precision | 0,02 ccm / 100 g |
| Resolution | 0,01 ccm / 100 g |
| Measuring time | < 1 Minute |
| Measuring range | 0,05 - 9,99 ccm/100g |
| Repetion precision | 0,02 ccm / 100 g |
| Resolution | 0,01 ccm / 100 g |
| Measuring time | < 1 Minute |
Density sample
Density samples are used for measuring the density index. This is a well known indicator for the purity of metal samples.
| Sample weight | ~ 80 g |
| Solidification time | adjustable 0 - 999 sec |
| Final vacuum | adjustable 0 - 150 mbar |
| Sample weight | ~ 80 g |
| Solidification time | adjustable 0 - 999 Sek. |
| Final vacuum | adjustable 0 - 150 mbar |
Drosstest
The drosstest is used to determine non metallic contaminations (oxides).
| Sample weight | ~ 230 g |
| Solidification time | adjustable 0 - 999 sec |
| Final vacuum | adjustable 0 - 150 mbar |
| Sample weight | ~ 230 g |
| Solidification time | adjustable 0 - 999 Sek. |
| Final vacuum | adjustable 0 - 150 mbar |
Straube-Pfeiffertest
Straube-Pfeiffer test is used to ascertain inclusions.
| Sample weight | ~ 230 g |
| Solidification time | adjustable 0 - 999 sec |
| Final vacuum | adjustable 0 - 150 mbar |
| Sample weight | ~ 230 g |
| Solidification time | adjustable 0 - 999 Sek. |
| Final vacuum | adjustable 0 - 150 mbar |
NDLC WITH DROSS CHAMBER
LOW PRESSURE DENSITY SAMPLES DEVICE WITH SPECIAL VACUUM CHAMBERS FOR DROSS TEST
The device allows to generate aluminium density-test specimens (approx. 80 g) at a vacuum level of 80 +/- 2,5 mbar., and Dross test as well as Straube-Pfeiffer test samples (approx. 230g) at an adjustable vacuum level from 5-150 mbar. It contains a digital pressure indicator, that may be calibrated.
To determine the density index, two samples have to be produced. One sample solidifies at atmosphere pressure and one in a vacuum chamber (for example with the «NDLC» or «ALU SPEED TESTER»).
Both samples are weighted (for example with the «FMA BALANCE») and with the two measurements the density index is automatically calculated.
The Drosstest and Straube-Pfeiffer test samples are solidified in a vacuum chamber (for example with the «NDLC» or «ALU SPEED TESTER»).
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| Measuring time | Voltage | Dimensions | Weight | Samples weight | Final vacuum |
| adjustable 1-12 minutes, normally: 4 minutes |
230 VAC or 115 VAC | 310 x 415 x 460 mm | ca. 26 kg | ~ 80g / 230g | 5 - 150 mbar, normally: 80 mbar at density 0 mbar at Drosstest 40 mbar at Straube-Pfeiffer Test |
| Measuring time | adjustable 1-12 minutes, normally: 4 minutes |
| Voltage | 230 VAC or 115 VAC |
| Dimensions | 310 x 415 x 460 mm |
| Weight | ca. 26 kg |
| Sample weigh | ~ 80g / 230g |
| 5 - 150 mbar, normally: 80 mbar at density 0 mbar at Drosstest 40 mbar at Straube-Pfeiffer Test |
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