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-60℃ Ultra-Low Temperature Circulator
- Product Description
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Overview of the -60℃ Ultra-Low Temperature Circulator
Product Model: PLD-60/100
Temperature Control Range: -60℃ to RT (Room Temperature)
The cryogenic circulator, featuring a fully enclosed refrigeration system and microcomputer‑based PID control, offers a wide temperature‑control range from -120°C to room temperature. Depending on the cooling method, it is available in air‑cooled (suitable for small and medium‑sized equipment, easy to install) and water‑cooled (ideal for large industrial applications, with high heat‑dissipation efficiency) versions.
Key functional features:
Precise temperature control: Utilizing high‑precision sensors, it ensures minimal fluctuations in the working fluid’s temperature, guaranteeing reproducibility of experimental results.
Continuous operation: Capable of running continuously for 24 hours, equipped with multiple safety protections (low‑fluid alarm, overload protection, high‑pressure protection).
Flexible configuration: Customizable explosion-proof specifications, circulating pumps with various head capacities, and medium‑compatible piping resistant to high or low temperatures.
Typical application areas:
Laboratories: Cooling for rotary evaporators, fermenters, distillation units, and condensers.
Industry: Jacket cooling for reaction vessels, vacuum coating machines, cooling for semiconductor manufacturing equipment, and cooling for laser cutting machines.
Specialized industries: Low‑temperature impact testing of materials, refrigerated fermentation in biopharmaceuticals.
-60℃ to RT, Ultra-Low Temperature Circulator – technical specifications
Pluri Model
PLD-60/10
PLD-60/30
PLD-60/50
PLD-60/100
PLD-60/150
PLD-60/200
Temperature Range
-60℃～RT
Control System
Fuzzy PID Adaptive Controller, PLC-Programmable Controller
Temperature Control Mode Selection
Material temperature control and equipment outlet temperature control modes are freely selectable
Program Editing
The PLC can be programmed with 5 sequences, each sequence containing up to 40 steps
Communication Protocol
MODBUS RTU protocol, RS485 interface
External Temperature Feedback Input
PT100, 4–20 mA, or communication-based setpoint (default: PT100)
Temperature Feedback
Equipment heat-transfer medium: inlet temperature, outlet temperature, and reactor material temperature (with an external temperature sensor) – three temperature readings
Thermal Fluid Temperature Control Accuracy
±0.5℃
Power
Cooling
Capacity-20℃
0.85KW
1.45KW
2.5KW
3.4KW
4.8KW
7.2KW
-40℃
0.7KW
1.2KW
2.1KW
2.8KW
4KW
6KW
-60℃
0.4KW
0.6KW
1.2KW
1.6KW
2KW
3KW
Circulation pump
Flow, PressureMax20L/min
Max20L/min
Max35L/min
Max35L/min
Max50L/min
Max50L/min
0.7BAR
0.7BAR
1BAR
1BAR
1BAR
1BAR
Compressor
Compressors from brands such as Emerson Copeland, Tecumseh, and Dooling
Evaporator
Plate heat exchanger
Control panel
PLC-controlled 7-inch color touchscreen displays set and measured temperatures
Safety protection
Features self-diagnosis; compressor overload protection; high-pressure switch, overload relay, thermal protection device, and multiple other safety features.
Refrigerant
R-404A/R23 blended refrigerant
Power Supply
380V 50HZ / 460V 60HZ
Housing Material
Cold-rolled steel with powder coating or SUS304 housing
Application Industries
1. Pharmaceutical: processes requiring temperature control, such as synthesis, hydrolysis, esterification, and etherification.
2. Chemical: distillation and purification, rubber grinding, cryogenic milling, and chemical synthesis.
3. Metal processing: cryogenic assembly, cryogenic brazing.
4. Food: ultra-low-temperature processing and storage of tuna and other foods.
5. Semiconductor electronics: environmental testing of components, simulated testing of electronic devices.
6. Aerospace: heat sink testing, environmental simulation tests for components, evaporative cooling environment simulation testing.
Working Principle of a Combined High- and Low-Temperature Unit
Low-Temperature Refrigeration Circulator – Partial Component Detail Images
Control System Display, Brand-Name Compressor, Condenser Fan, Plate Heat Exchanger, Expansion Valve, Drying Filter, etc.
External Structural Diagram of Ultra-Low Temperature Circulator
Real-Product Photos
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