FK31-SL Calibration bath
with integrated cooling machine for working temperatures up to -30 °C
The calibration baths in this category feature an integrated refrigeration unit and are suitable for calibration applications to -30 °C. The bath cover with openings and Viton® sleeves is already included in delivery for all models.
Performance data depends on the mains voltage in the country of use. Please select:
Order number including voltage version | 9352628.04 |
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Working temperature range | -30 ... +200 °C |
Temperature stability | ±0.005 °C |
Heating capacity | 2 kW |
Pump capacity flow pressure | 22 ... 26 l/min |
Pump capacity pressure | 0.4 ... 0.7 bar |
Usable bath opening (W x L / D) |
12 x 0 / 31 cm |
Filling volume | 24 l |
Total dimensions
(W × L × H) |
32 x 45 x 91 cm |
Product Features
- LCD DIALOG DISPLAY backlit for convenient interactive operation
- ICC (Intelligent Cascade Control), self-optimizing temperature control
- TCF Temperature Control Features to optimize the control behavior
- Integrated programmer for 6 x 60 program steps
- Highest temperature stability to ±0.005 °C (±0.02 °C at +200 °C)
- Temperature uniformity better than ±0.01 °C
- Optional Pt100 sensor for reference temperature measurements
- Temperature chamber with overflow at maximum liquid level
Technical data for FK31-SL
Total dimensions (W × L × H) |
32 x 45 x 91 cm |
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Filling volume | 24 l |
Usable immersion depth | 31 cm |
Weight | 51 kg |
Working temperature range | -30 ... +200 °C |
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Temperature stability | ±0.005 °C |
Temperature display resolution | 0.01 °C |
Ambient temperature | +5 ... +40 °C |
Performance data depends on the mains voltage in the country of use. Please select:
Heating capacity | 2 kW | |||||||||||||||||
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Cooling capacity
1 Performance specifications measured in accordance with DIN 12876. Cooling capacities up to 20 °C measured with ethanol; over 20 °C with thermal oil unless otherwise specified. Performance specifications apply at an ambient temperature of 20 °C. Performance values may differ with other bath fluids. |
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Pump capacity flow pressure | 22 ... 26 l/min | |||||||||||||||||
Pump capacity pressure | 0.4 ... 0.7 bar | |||||||||||||||||
Maximum suction | 0.2 ... 0.4 bar | |||||||||||||||||
Viscosity max. | 70 cSt | |||||||||||||||||
Power consumption | 5 A |
Bath tank | Stainless steel |
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Bath cover | integrated |
Usable bath opening (W x L / D) |
12 x 0 / 31 cm |
Cooling coil | not available |
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Cooling of compressor | 1-stage Air |
Classification according to DIN12876-1 |
Classification III (FL) |
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IP Code according to IEC 60529 |
IP 21 |
Pump type | Immersion Pump |
Interfaces | Profibus optional |
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External pt100 sensor connection | integrated |
Integrated programmer | 6x60 steps |
Temperature control | ICC |
Absolute temperature calibration | 3 Point Calibration |
Temperature display | VFD |
Temperature setting | Keypad |
9352628.02 | 115V/60Hz (Nema N5-15 Plug) (R134a) |
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9352628.03 | 230V/50Hz (Schuko Plug - CEE 7/4 Plug Type F) (R134a) |
9352628.04 | 230V/50Hz (UK Plug Type BS1363A) (R134a) |
Including bath cover with seven openings |
Accessory for FK31-SL
Downloads for FK31-SL
We would also be happy to send you our printed catalogs and brochures by post.
Request brochureFK31-SL Benefits

Connection of additional equipment
Stakei connections for solenoid valve, HSP booster pump and HST booster heater

Early warning system for high/low temperature limits
Maximum safety for applications, optical and audible alarm, convertible to automated cut-off function

Clever pump system
Reliable and consistent pump capacity, electronically adjustable pump stages

Control of the external application
External Pt100 sensor connection for precise measurement and control directly in the external application
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