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Atlas Equipment Solutions

-40℃ thermostat circulating water bath

-40℃ thermostat circulating water bath

Pricing: Available upon request

Lead time: 7–21 days

Customization: Supported

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The -40 °C Thermostat Circulating Water Bath is designed for precise low-temperature laboratory experiments and temperature-controlled processes. It is widely used in scientific research, biology, physics, pharmaceutical laboratories, and chemical processing applications where stable and accurate low-temperature environments are required.

The system provides a temperature range from -40 °C to 99 °C with high control accuracy (±0.1 °C), making it suitable for both cooling and heating laboratory applications. It can replace traditional cooling methods such as dry ice or liquid nitrogen for many low-temperature reaction processes while offering improved safety and convenience.

The circulating bath can also function as a low-temperature viscosity testing tank and can be used to provide temperature control for external laboratory equipment. The stainless steel tank ensures durability and corrosion resistance, while optional dual-stage magnetic stirring helps maintain uniform temperature distribution within the bath.

Equipped with advanced temperature control, safety protection systems, and optional PLC automation, the unit provides stable operation and reliable performance for laboratory research and industrial testing environments.

Available Models

Model Tank Volume (L) Heating Power (kW) Total Power (kW)
DFY-5/40 5 L 1 1.75
DFY-10/40 10 L 2 3
DFY-20/40 20 L 3 4.5

Temperature Performance

Parameter Specification
Temperature Range -40 °C ~ 99 °C
Temperature Accuracy ±0.1 °C
Temperature Sensor PT100

Cooling Capacity

Temperature DFY-5/40 DFY-10/40 DFY-20/40
0 °C 875 W 1800 W 2300 W
-10 °C 650 W 1650 W 1750 W
-20 °C 320 W 1800 W 950 W
-40 °C 225 W 350 W 550 W

Electrical Specifications

Parameter Specification
Voltage 220V / 50Hz or 60Hz
Phase Single Phase

Tank Specifications

Model Tank Size (mm) Opening Size (mm) Max Flask Volume
DFY-5/40 180 × 180 180 2 L
DFY-10/40 300 × 200 240 5 L
DFY-20/40 350 × 250 320 10 L

Compressor System

Parameter DFY-5/40 DFY-10/40 DFY-20/40
Compressor Type Rotor compressor
Brand Secop Tecumseh
Power 0.75 kW 1.125 kW 2.25 kW
Current 3.4 A 5 A 10 A
Horsepower 1 HP 1.5 HP 3 HP
Refrigerant R404A

Circulation Pump

Parameter Specification
Pump Power 100 W
Current 0.5 A
Rated Head 6 m
Flow Rate 10 L/min

Dimensions

Model Dimensions (L × W × H mm)
DFY-5/40 477 × 344 × 683
DFY-10/40 540 × 424 × 776
DFY-20/40 590 × 478 × 840

Safety Protection

  • Overvoltage protection

  • Time delay protection

  • Overcurrent protection

  • Overheating protection

  • Leakage protection

Optional PLC Control System

Feature Specification
PLC System Siemens S7-200 Smart PLC
Programming Up to 5 programs with 40 steps each
Control Mode Automatic switching between material temperature and outlet temperature
Communication Protocol Modbus RTU RS485 (optional RS232 / Ethernet)
Control Panel 7-inch Siemens touch screen (optional 10-inch)
Data Export USB export of temperature data (TXT format)

Packing List

  • 1 Gas valve

  • 1 PTFE tape

  • 1 Vertical pole

  • 1 Cross frame

  • 2 Silicone insulation hoses

  • Operation manual

Applications

  • Low-temperature chemical reactions

  • Biological and pharmaceutical laboratory experiments

  • Viscosity testing and material testing

  • Temperature control for laboratory instruments

  • Scientific research and university laboratories

  • Chemical and environmental testing

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