Brand: Erweka | Category: Scientific & Laboratory Equipment
The ST 35 has three turnable test stations, each sitting in a four litre glass vessel with an optional magnetic stirrer, and a thermostatically heated water bath that Erweka describe as leak proof and double secured. Test stations turn automatically through 180 degrees at adjustable intervals. An integrated high performance flow through heating system holds accuracy to ± 0.2 °C and an internal temperature sensor drives the temperature display. Test time and set bath temperature are entered on membrane keys, with current test time and water temperature shown on clearly visible red LEDs, and an alarm can be selected to sound once the set test time has elapsed. The width of the unit lets the test stations be separated for easier cleaning.
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The TBH 125 is Erweka's basic device for tablet hardness testing in dual mode, constant speed and constant force, offering accuracy, robust design and quick handling. It is operated through a symbol keypad that makes entering the number of samples straightforward, and up to three physical parameters can be tested: hardness, diameter or length, and thickness. Results including date and time appear on two bright LED displays and can be printed through the standard USB printer interface. Calibration is done either statically with weight stones or dynamically with AutoCal 2.0 using menu guided three point calibration, and the unit produces a calibration print out with individual calibration data, service date and time and serial number.
The SSP measures the melting point of suppository samples. It is made up of a graduated tube with an integrated glass test chamber, and the sample under test sits in a spiral shaped glass test basket inside that chamber. A water jacket surrounds the chamber, and the water within it can be heated with the optional EST 2 circulation heater.
The TBH 325 is Erweka's hardness or combination tester with an integrated product memory for up to 50 products, built robustly for smooth operation in production environments. Its numeric keypad with alphanumeric sub function stores nominal hardness together with three tolerances for each of up to 50 products, ready to be recalled for testing, and product names, remarks and batch or lot numbers can be entered before a test run begins. Recorded information and results can be printed on a connected printer or transferred to a computer through the LAN interface. Samples are inserted manually so all tablet types and shapes can be tested, and broken samples drop from the test station into an acrylic glass disposal container. Hardness is measured from 3 to 500 Newton in constant speed or constant force mode, with measuring sensitivity adjustable from 3 to 40 N.