The PTWS 1420 is a 14+2-position, “dual drive” compact tablet dissolution testing instrument for solid dosage forms as described in USP chapter <711/724> and EP section<2.9.3/4> as well as the BP, DAB and Japanese Pharmacopeia section <15>. The instrument features 14 testing positions and includes two additional standard size vessels for media refilling and reference standard media. PTWS 1420 features independent stirrer speed control for the left and right half of stirrers.

• Fully USP <711/724>, EP <2.9.3/4>, BP, DAB and JP <15> compliant
• 14 stirred positions with 2 additional 1liter vessel
• Electronic lifter for instrument head with 8 programmable working positions
• Low-evaporation vessel covers with silicone inlay
• Staggered start capability for all testing stations
• Programmable infinity test
• Method management and user administration

• Stirrer speed range: 25 - 250 RPM
• Stirrer speed accuracy: ±2% of set speed, typically < 1%
• Stirrer shaft wobble: Better than 0.2 mm total run out
• Heating system: Heating and circulation pump module
• Heating range: 25.0 – 45.0°C
• Heating accuracy: ± 0.2°C inside the water bath
• Display & date entry: color LCD touch screen
• Sampling positions: 8 programmable sampling probe immersion positions
• Method management: Unlimited number of methods