

The PT31 circulation thermostat is equipped with highperformance functions. The 1.5 kg lightweight device is ideally suited for applications requiring a temperature range at a constant level. The proven Peltier technology offers process-reliable temperature control in the range from 8 °C to 35 °C. The accuracy of temperature control is ±0.2 °C.
The robust locking mechanism of the PT31 provides a sturdy connection and ensures constant temperature control of the medium. The compact and sturdy design does not require much space and can be placed anywhere in the laboratory.
Typical applications
Model specifications KRÜSS PT31
TEMPERATURE CONTROL RANGE | 8–35 °C |
ACCURACY OF TEMPERATURE CONTROL | ± 0.2 °C |
TEMPERATURE CONTROL RESOLUTION | 0.1 °C |
AMBIENT TEMPERATURE RANGE | 5 °C – 40 °C |
HEATING CAPACITY | 30 W |
COOLING CAPACITY AT 20 °C | 20 W |
PUMP PRESSURE | 20 mbar |
PUMP CAPACITY | 20 l/h |
FILLING VOLUME | ca. 100 ml |
IP CODE | IP21 |
CLASS OF PROTECTION (DIN EN 61140) | III |
CLASSIFICATION (DIN 12876-1) | I; non-flammable liquids |
ELECTRONIC INTERFACE | RS-232 interface |
ELECTRICAL DATA | 100-240 V AC, 1,3 A | 50/60 Hz |
DEVICE DIMENSIONS (W X H X D) | 108 mm x 199 mm x 145 mm |
DEVICE WEIGHT | 1.5 kg (without mains adapter and mains cable) |
DISPLAY TYPE | LCD matrix display |
DISPLAY RESOLUTION | 2 rows of 16 columns each |
DISPLAY DIMENSIONS (W X H) | 57.7 mm x 11.8 mm |
CONTROL | Selection keys |