Brand: Erweka | Category: Scientific & Laboratory Equipment
The SMG 697 is a manual powder and granule density tester for reproducible determination of apparent bulk density, usable with all free flowing powders and granulates. Following DIN ISO 697, apparent bulk density is found by measuring the mass of a powder in a container of known size after filling from a funnel of specific shape under defined conditions. Erweka supply the device with operating instructions and a calibration certificate.
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The SVM II is Erweka's latest generation tapped density tester. Its 7 inch high resolution touch display keeps the operator focused on 100 % USP / EP compliant tapped density testing, and TestAssist automatic calculation walks the user through the process while working out the Hausner Ratio and compressibility index and printing a report after every test. A newly designed SwitchPlate system produces five versions of the instrument, covering USP 1, USP 2 or USP 3 in one or two test station configurations or a combination of both methods, and the user can change from one variant to another within minutes. Supported methods run from USP 1 and USP 2 through to ASTM B527-15 and DIN EN ISO 787-11:1995.
Erweka's granulate flow tester family determines the flow behaviour of powders and granules by several measurement methods. The GTL is the entry level device for USP / EP compliant measurement of flowability by weight and by volume, operated through a simple numeric keypad and LC display with printable results. The GT adds a scale so stable weight can be measured during the flow, and on top of the GTL's two methods it measures flowability over a set time and the flow angle with graphical display. The GTB extends the GT with advanced automatic laser measurement of the angle of repose. Accessories such as outlet nozzles of differing diameters, smaller collecting funnels and an optional four stage agitator for poorly flowing samples allow customer specific measurements that are not EP compliant.
The VDT/S tests blisters and other packaging forms for leaks. Maximum vacuum, with an absolute pressure range up to 100 mbar, and the vacuum hold time before release are set from the symbol keypad, while the actual vacuum is shown continuously on the LED display. To check density the instrument runs a methylene blue dye test split into several phases: during pressure maintenance the blisters are exposed to a vacuum generated in the vacuum container, the container is then ventilated, and in the penetration process the blister rests in the methylene blue solution so the solution can be drawn into any imperfectly sealed packaging. Test run parameters such as actual and set vacuum value and hold time are documented through a USB interface or a connected printer, and the integrated vacuum pump can be recalibrated with the optional validation kit containing a type DVR vacuum meter.