Product overview The Proline Kryomate RP 4050 CW is a water-cooled cryothermostat with a large bath opening and a usable bath volume of approximately 32–44 L. It provides a wide working range from -50 °C to 200 °C and is designed for industrial and laboratory tempering applications.
Features
Thermostatic bath/circulator with microprocessor control and integrated cooling system
Input via cursor keys and numeric softkeys; additional Tmax key for overtemperature
SelfCheck Assistant for system diagnosis
Low-level and overtemperature protection for use with non-flammable liquids
Programmer: 150 temperature/time segments, up to 5 separable programs
Adjustable bath circulation to match application requirements
Electronically controlled bath-edge and bridge heating to prevent condensation and icing
Back-lit graphic LCD with multiple display modes
Detachable command console for remote operation
Fully electronic continuous controller with PID action for internal and external control
Optically decoupled RS-232/485 interface integrated as standard
Timer function to switch on the thermostat, set standby or run programs
Pump connectors on side and rear with installed bypass
Condenser cooling: water
Additional green LED temperature display
EasyUse user interface for simplified operation
PowerAdapt for optimal use of available mains power
Option to upgrade with up to 2 interface modules (RS-232/485, Profibus, analogue/contact modules, Ethernet–USB)
LAUDA Vario pump with 4 selectable output steps
SmartCool: digital energy-saving cooling management with compressor on/off control
Use of HFC refrigerants in accordance with EU Regulation (EU) 573/2024
Working range
Minimum working temperature: -50 °C
Maximum working temperature: 200 °C
Temperature stability: 0.05 ± K
Technical data (according to DIN 12876)
Working temperature range: -50 ... 200 °C
Ambient temperature range: 5 ... 40 °C
Temperature stability: 0.05 ± K
Heater power (max): 3.5 kW
Max. power consumption: 5 kW
Current consumption: 16 A
Max. discharge pressure: 0.5 bar
Max. pump flow: 19 L/min
Bath volume (min/max): 32.0 / 44.0 L
Recommended cooling water temperature: 15 °C
Cooling water flow rate: 11.7 L/min
Max. cooling water pressure: 10 bar
Dimensions (W×D×H): 600 × 700 × 1216 mm
Weight: 124 kg
Power supply (example): 400 V; 3/N/PE; 50 Hz — power cord with IEC 60309 plug (5‑pole, CEE, red, 16 A)
Cooling capacity (50 Hz)
200 °C | Pump level 2 | Thermal oil | 6 kW
20 °C | Pump level 2 | Ethanol | 6 kW
0 °C | Pump level 2 | Ethanol | 3.5 kW
-20 °C | Pump level 2 | Ethanol | 1.8 kW
-30 °C | Pump level 2 | Ethanol | 1.1 kW
-40 °C | Pump level 2 | Ethanol | 0.6 kW
-50 °C | Pump level 2 | Ethanol | 0.25 kW
Notes
Large bath opening with bath volumes approximately 30–40 L depending on configuration
Integrated SmartCool digital cooling management for energy-efficient operation
Multiple pump output steps and options for internal/external PID control
Characteristics / technical specifications
Model line: Proline Kryomate
Type / order no.: RP 4050 CW / L001657 (example variant)
Bath volume: 32.0 / 44.0 L (min/max)
Temperature range: -50 °C to 200 °C
Temperature stability: 0.05 ± K
Max. pump flow: 19 L/min
Max. heater power: 3.5 kW
Key systems: SmartCool, PowerAdapt, EasyUse, LAUDA Vario pump, SelfCheck
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.