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Dissolution Tester

Model NO. ZRS-3/6/8ST

Quantity

Features：

Equipped with electric lifting and head tilting functions, keypad control, and convenient paddle/basket replacement.
Compatible with basket and paddle rods, supporting new dissolution cups and light-shielded dissolution cups up to 185mm in height (ZRS-8ST only).
Working parameters can be preset and automatically stored, eliminating the need for repeated settings upon startup.
Precise speed, stable operation, and lower energy consumption.
Built-in integrated temperature control sensor, with hardware and software temperature control, providing rapid heating and high accuracy, and supporting software calibration.
Test timing can be independently started, paused, and reset.
Features self-checking alarms, overheat protection, and other safety functions.
Paddle, basket, and rotating basket are made of high-quality stainless steel, conforming to the Chinese Pharmacopoeia 2025 standard.

Advantages:

ThisDissolution Tester from BIOSTELLAR achieves steady running with Precision Speed Control and stable heating via Integrated Temp Control, complying with Chinese Pharmacopoeia 2025, featuring electric lifting, preset parameters and multi-protection safety functions.

Specification：

Model	ZRS-3ST	ZRS-6ST	ZRS-8ST
Amplitude of swing of stirring paddle	≤0.3mm
Amplitude of swing of rotation basket	≤0.8mm
Deviation of rotating rod and axle of dissolution cup	≤1mm
Speed adjustable range	20-200 rpm
Rotating speed resolution	1 time/min
Water bath temperature adjustment rang	Room temperature: -45ºC
Temperature resolution	0.1ºC
Temperature control accuracy	≤±0.3ºC
Number of sampling periods	9 different sampling periods can be preset
Time of sampling period	1-999min optional for each period 9 sampling periods can be counted down by sections
Timing error	±0.5min
Pharmacopoeia parameter calling	The instrument saves 300 dissolution test parameters in Chinese Pharmacopoeia, which can be called randomly.
Standard configuration	3 paddles；3 cups	6 paddles；6 cups	8 paddles；8 cups
Electrical heating power	500W	1100W	1100W

Q1: Does the device support both paddle and basket methods?

A: Yes. The system is compatible with both paddle and basket rods, allowing flexible testing based on different pharmacopeia methods.

Q2: Is it easy to replace paddles and baskets?

A: Absolutely. The device features electric lifting and head tilting functions with keypad control, making paddle and basket replacement quick and convenient.

Q3: Can the system store test parameters?

A: Yes. Working parameters can be preset and automatically stored, eliminating the need for repeated setup each time the device is powered on.

Q4: How accurate is the temperature and speed control?

A:The system includes an integrated temperature sensor with hardware and software control, providing fast heating and high accuracy, along with stable and precise speed control.

Q5: What safety features are included?

A: The device is equipped with self-checking alarms, overheat protection, and multiple safety mechanisms, ensuring reliable and safe operation during testing.

Applications

Pharmaceutical Industry：Ideal for tablet and capsule dissolution testing, ensuring compliance with pharmacopeia standards.
Quality Control Laboratories (QC/QA)：Used for batch release testing, stability studies, and routine quality inspection.
Research & Development (R&D)：Supports formulation development, method validation, and comparative studies.
Contract Research Organizations (CROs)：Suitable for third-party testing and regulatory submissions.
Academic & Research Institutions：Applied in pharmaceutical education and research experiments.