TBH 425 Tablet hardness Tester - Automatic Measurement up to 10 Samples
The ERWEKA TBH 425 is a tablet hardness and combination tester for half-automatic measuring of up to 10 samples. The samples are inserted in a star-shaped feeder and then automatically transported to the test station. Depending on the device model, automatic measurement can be taken for tablet hardness and thickness (optional), diameter or length (for oblongs) of round or odd-shaped samples.
An alignment routine and a support-groove in the hardness test station (optional) help to align odd shaped samples while breaking. Via the numeric membrane keypad with alpha-numeric sub function the nominal hardness, in combination with three individual plus/minus tolerances (T3 = pass/fail criteria), and other remarks may be entered and stored for up to 50 different products and recalled for future testing. Information such as product names and batch numbers can be typed in easily as well. The stored product data can be transmitted via SD card or USB stick to other devices of the TBH 325/425 family.
The calibration of the hardness test station is menu guided and may be performed with either weight stones or the electronic ERWEKA AutoCal 2.0 System. Via a USB printer interface a printer can be connected to print out documentation. The serial LAN/USB interface allows to connect a computer with the optional MC.NET software for external control. In combination with this option, the TBH 425 series is 100 % 21 CFR 11 compliant.
Different versions available
Versatile
- Hardness - TBH 425
- Hardness and diameter - TBH 425 D
- Hardness/diameter/thickness - TBH 425 TD
- Hardness/diameter/thickness/weight - TBH 425 WTD
The ERWEKA TBH 425 D is based on the TBH 425, but in addition offers diameter/length measurement and documentation options of the samples. With this functions it can be ensured that the samples are placed in the correct alignment for the hardness testing process. The semi-automated TBH 425 TD provides in addition to the standard TBH 425 an automatic measurement of sample's diameter/length and thickness by a motor driven and calibratable electronic linear potentiometer.
The unit can either fulfill a three parameter hard-copy print-out by a connected printer (optional) or can transfer the data to a PC with the optional MC.NET software. The ERWEKA TBH 425 WTD, which is based on the TBH 425 TD, is additionally equipped with an external Sartorius or Mettler analytical balance with windshield (20 mg to 64 g; accuracy ± 0.1 mg; Sartorius balance with in-built calibration weight) for connection with the unit. Before testing the other parameters, the sample is manually placed onto the balance, the weight is determined and the results are transferred to the unit's electronics.
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