HZQ-211 Series Floor-standing Shaker

Floor-standing Shaker — LCD Display

This new generation of floor-standing temperature-controlled shakers combines the company’s more than ten years of design and manufacturing experience. Continuous research overcomes the limitation of existing domestically produced shakers that cannot operate continuously for extended periods. It is widely used in cell culture, fermentation, hybridization, biochemistry and cell/tissue research requiring precise temperature and shaking. Particularly suitable for pilot-scale production, its specialized design and high-precision manufacturing provide peace of mind.

Product Features

User-Friendly Design

  • Combines an incubator and shaker with a small footprint and large flask capacity;
  • A large LCD displays multiple data sets on one screen through a straightforward menu-driven interface for easy observation and operation;
  • Quiet operation creates a pleasant working environment;
  • The new CFC-free design keeps you at the forefront of healthy living;
  • A large tempered observation window and stainless-steel chamber and shaking platform facilitate cleaning;

Quality Assurance

  • User settings are automatically stored during a sudden power failure, and the original program resumes when power is restored;
  • Microcomputer PID control of temperature and shaking frequency includes a timer;
  • Key components, including the compressor and circulating fan, use branded products with environmentally friendly CFC-free refrigerant;

Continuous Operation

  • A low-heat-dissipation brushless DC motor offers high starting torque, a wide speed-adjustment range and maintenance-free operation, overcoming the limitation of existing domestically produced shakers that cannot operate continuously for extended periods;

Safety Functions

  • Air circulation, heating and shaking stop automatically when the door opens to prevent temperature overshoot;
  • The speed-control circuit ensures smooth shaker start-up and prevents instrument damage caused by liquid splashing;
  • An independent temperature-limit alarm system automatically cuts off heating when the limit is exceeded, ensuring safe operation without accidents;
  • Automatic circulating fan speed control prevents sample evaporation caused by excessive fan speed during experiments;
  • Optional RS-485 and USB data-transfer interfaces (USB flash drive) connect to a computer for monitoring temperature, speed, time and alarms;

Balanced Three-eccentric-shaft Drive

  • The balanced three-eccentric-shaft drive ensures that all samples on the shaking tray are shaken at the same speed. The durable, load-bearing design allows the shaker to perform strongly even at full load and high speed;

Multi-segment Programmable Control (Optional)

  • Multi-segment temperature, speed and time are programmed together. Normal and programmed operating modes are selectable, with preset and operating values displayed simultaneously to simplify complex culture requirements and enable automatic control and operation;

Function Extensions (Optional)

  • Lighting control (simulates natural growth conditions);
  • Humidity monitoring and control;

Humidity Control (Optional)

  • Atomizing humidification provides a humidity-control range of 60~85%;

Technical Specifications

Technical Specification / Model Floor-standing Temperature-controlled Shaker
HZQ-211 HZQ-311 HZQ-211C HZQ-311C
Power Supply AC220V 50HZ
Shaking Frequency 40~300 rpm
Amplitude 26mm
Temperature Control Range RT+5~65°C 4~65°C
Temperature Fluctuation ±0.2°C (test point: 37°C)
Temperature Uniformity ±1°C (test point: 37°C)
Timer Range 0~5999min
Input Power 1050W 1050W 1300W 1300W
Standard Configuration 250ml×28 250ml×45 250ml×28 250ml×45
Tray Dimensions W×D (mm) 750×460 920×500 750×460 920×500
Overall Dimensions W×D×H (mm) 1080×620×915 1250×660×915 1080×620×915 1250×660×915

Note: Floor-standing shakers with “C” have refrigeration and can be fitted with optional humidity control over 60~85%. Shakers without refrigeration cannot be fitted with a lighting-control system.

Optional Accessories:

1. Multi-segment programmable controller
2. Built-in printer
3. RS485/232 interface and communication software
4. USB flash drive data storage
5. Humidity control
6. Lighting-control system
Note: choose one of USB flash drive, RS485/232 or printer.

Maximum Number of Erlenmeyer Flask Clamps (per tier):

Model / Vessel Size HZQ-211
HZQ-211C
HZQ-311
HZQ-311C
Erlenmeyer Flasks (Qty.) 50(ml) 82 116
100(ml) 50 66
250(ml) 28 45
500(ml) 23 28
1000(ml) 15 18
2000(ml) 8 13
5000(ml) 3 5
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