Hangzhou Qiwei Instrument Co., Ltd. is one of the leading manufacturers and suppliers of digital thermostat controlled water bath in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to wholesale bulk digital thermostat controlled water bath in stock here from our factory. We also accept customized orders.
For work environments where managed water bath heating and convenient digital temperature monitoring are required, Qiwei's Digital Thermostat Controlled Water Bath is specifically designed. The models QW-FAD-WB and QW-FAD-WBT have a temperature range of room temperature+ 8°C to 90°C, as well as a modern temperature display and thermal protection.
The integral temperature-control system regulates the heat process in accordance with the desired setpoint and monitors the bath temperature. Users can use the show to quickly and conveniently check the operating temperature and set temperature.
For workflows that demand a specific heat duration, the QW-FAD-WBT design adds a timer function. This series is suitable for laboratories looking for a small water-bath heating solution because it has a capacity of about 2. 4 L and 500 W of heating energy. For operating restrictions, temperatures performance, and safety features, please refer to the model-specific technical data.
product key technologies

Digital electric heating water baths are widely used in drying, concentration, distillation and impregnation of chemical reagents, as well as impregnation of pharmaceuticals and biological products. They can also be used for other temperature tests, serving as essential equipment in biological, genetic, viral, aquatic, environmental protection, medical, health, biochemical laboratories, analytical laboratories, and educational and scientific research institutions.
1. Stylish design and attractive appearance;
2. Thermal protection technology to prevent dry burning;
3. High thermal efficiency and fast heating;
4. Magnetic stirring for more uniform water temperature;
5. Timer setting for high efficiency, energy saving and safety;
6. The 304 stainless steel inner liner meets your different usage needs.

How the Digital Temperature Control System Works?
The temperature-control program is a key component of a modern laboratory ocean bath. It helps control the cooking process by comparing the measured shower heat with the user-defined setpoint.
1. Heat Sensing
A temperature sensor monitors the water temperature during activity and provides comments to the joystick. This feedback helps the system recognize the difference between the actual heat and the objective temperature.
2. Digital Temperature Regulation
The controller uses the heat feedback to regulate heat and take the bath toward the selected setpoint. PID-based command, where implemented in the verified design, changes the heat answer according to the temperature variation and its change over time.
3. Real-Time Temperature Display
The LCD illuminated screen presents the set temperature and actual heat, allowing operators to screen the bath during regular experiments. The displayed decision is 0.1°C, this indicates the screen parameter and should not be interpreted as proof of ±0.1°C manage accuracy.
4. Thermo Protection
The mentioned models include a thermal safety function. Buyers should follow the guide's instructions for water filling, heat setting and safe activity. The specific response to overheating, lower water level or other unusual conditions should be confirmed in the specialized documentation.
5. Timer-Based Activity
The QW-FAD-WBT type includes a timer environment of 0–9999 minutes. The QW-FAD-WB design is listed without a clock. Select the appropriate construction according to whether the lab procedure requires timed operation.
Technical Parameters (I)
|
Model |
QW-FAD-WB |
QW-FAD-WBT |
|
Timing Range |
None |
0-9999min |
|
Magnetic Stirring |
None |
|
|
Thermal Protection Function |
Have |
|
|
Temperature Control Range |
Room temperature +8–90°C |
|
|
Display Resolution |
0.1℃ |
|
|
Display Mode |
LCD backlight display |
|
|
Display Content |
Actual temperature / Set temperature |
Actual temperature / Set temperature / Set time |
|
Power Supply |
220V 50Hz |
|
|
Volume |
About 2.4L |
|
|
Power |
500W |
|
|
Instrument Dimensions |
Internal tank dimensions: ∮170×115(mm); Overall dimensions: 240×200×190(mm) |
|
|
Net Weight |
About 1.2KG |
|
|
Packaging Size |
Carton packaging: 280×260×225mm; Gross weight: about 1.8KG |
|
Technical Parameters (II)
|
Model |
QW-FAD-WB |
QW-FAD-WBT |
|
Timing Range |
None |
0-9999min |
|
Magnetic Stirring |
Have |
|
|
Thermal Protection Function |
Have |
|
|
Temperature Control Range |
Room temperature +8–90°C |
|
|
Display Resolution |
0.1℃ |
|
|
Display Mode |
LCD backlight display |
|
|
Display Content |
Actual temperature / Set temperature |
Actual temperature / Set temperature / Set time |
|
Power Supply |
220V 50Hz |
|
|
Volume |
(Approx.) 2.4L |
|
|
Power |
500W |
|
|
Instrument Dimensions |
Internal tank dimensions: ∮170×115mm; Overall dimensions: 240×200×190mm |
|
|
Net Weight |
About 1.2KG |
|
|
Packaging Size |
Carton packaging: 280×260×225mm; Gross weight: about 1.8KG |
|
FAQ
1. How can I test the temperature reliability of a modern water bath?
Place a calibrated research thermometer or appropriate temperature sensor in the bath at a delegate position. Let the temperature to maintain, then examine the reference reading with the instrument's displayed temperature. Follow the manufacturer's process and any relevant laboratory quality-control requirements. The research instrument should have appropriate accuracy for the needed tolerance.
2. Does a screen resolution of 0.1°C mean that the heat reliability is ±0.1°C?
A: No. Display decision indicates the smallest temperature parameter shown on the screen. Heat accuracy and heat fluctuation are distinct specifications that must be confirmed from the professional datasheet or test report.
3. How often should the water shower been calibrated?
Calibration speed depends on the laboratory's excellent system, usage intensity, required temperature tolerance and relevant procedures. Establish an suitable plan using the company's assistance and the laboratory's documented quality requirements.
4. How should I maintain the water bath for regular lab use?
Switch off and unplug the device before cleaning or draining it. Let the shower to awesome, replace waters and residues according to the manual, and clear the tank with a suitable cleaning agent. Use appropriate water to reduce scale buildup, maintain the external dry and inspect the power cable and controls frequently. Never work the equipment without the necessary water level.
5. What is the distinction between QW-FAD-WB and QW-FAD-WBT?
The essential listed distinction is the timer. QW-FAD-WB is shown without a clock, while QW-FAD-WBT supports a timer environment of 0–9999 moments. Confirm the current settings and total standards sheet before ordering.
Hot Tags: digital thermostat controlled water bath, China digital thermostat controlled water bath manufacturers, suppliers, factory, Digital Thermostat Controlled Water Bath, Four-Hole Digital Constant Temperature Water Bath, Super Constant Temperature Water Bath
