Liebherr
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Showing 31–52 of 52 results
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SFFfg 5501 |
| Type | Upright |
| Total/Net Volume | 499 / 394 L |
| Operating Temperature Range | −9 °C to −30 °C |
| Annual Energy Consumption | 516 kWh/year |
| Refrigeration System | Direct Cool |
| Refrigerant | R290 |
| Control Interface | Monochrome Display with Touch Buttons |
| Temperature Stability | ±5 °C |
| External Dimensions (W×D×H) | 747 × 769 × 1684 mm |
| Internal Dimensions (W×D×H) | 588 × 517 × 1388 mm |
| Noise Level | 49 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Compliance | ATEX Directive 2014/34/EU, EN 1127-1, IEC 60079-0, IEC 60079-15, IEC 60079-7, IEC 61010-2-011, Class II 3G Ex ec IIC T6 (Zone 22) |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SFFsg 4001 |
| Storage Temperature Range | −9 °C to −30 °C |
| Annual Energy Consumption | 385 kWh/yr |
| External Dimensions (W×D×H) | 654 × 597 × 1884 mm |
| Internal Dimensions (W×D×H) | 403 × 408 × 1588 mm |
| Net Capacity | 242 L |
| Gross Capacity | 316 L |
| Refrigeration System | Direct Cool / Manual Defrost |
| Refrigerant | R290 |
| Noise Level | 49 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Temperature Uniformity (Max. Gradient) | 5.7 °C |
| Temperature Stability (Max. Fluctuation) | ±2.5 °C |
| Cabinet Material | Powder-coated Steel (White) |
| Door Material | Steel |
| Control Interface | Monochrome Touch Display |
| Locking Mechanism | Dual-key Mechanical Lock |
| Data Logging Capability | Optional (via add-on module) |
| Connectivity | Optional WiFi/LAN interface |
| Interior Lighting | LED |
| Adjustable Shelves | 5, Plastic-coated Wire Grid |
| Shelf Load Capacity | 45 kg per shelf |
| Total Unit Load Capacity | 270 kg |
| Ambient Operating Temperature Range | +10 °C to +35 °C |
| Heat Output | 529 kJ/h |
| Caster Wheels | Yes |
| Compliance | DIN 13277, IEC 61010-2-011, CE |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SFFsg 5501 |
| Storage Temperature Range | −9 °C to −30 °C |
| Annual Energy Consumption | 501 kWh/365 days |
| External Dimensions (W × D × H) | 769 mm × 747 mm × 1684 mm |
| Refrigeration Method | Direct Cooling / Manual Defrost |
| Net Capacity | 394 L |
| Gross Capacity | 499 L |
| Temperature Uniformity (Max Gradient) | 6.0 °C |
| Temperature Stability (Max Fluctuation) | ±2.9 °C |
| Refrigerant | R290 |
| Noise Level | 49 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Locking Mechanism | Mechanical Lock with Two Keys |
| Compliance | DIN 13277, IEC 61010-2-011, CE |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SFFvh 4001 |
| Storage Temperature Range | −9 °C to −35 °C |
| Annual Energy Consumption | 292 kWh/yr |
| External Dimensions (W×D×H) | 654 × 597 × 1884 mm |
| Cooling Method | Forced-air (Fan-cooled) |
| Net Capacity | 174 L |
| Gross Capacity | 273 L |
| Refrigerant | R290 |
| Noise Level | 46 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Compliance | DIN 13277, IEC 61010-2-011, CE |
| Temperature Stability (Max. Fluctuation) | ±6.4 °C |
| Weight (Net/Gross) | 81 / 86 kg |
| Door Lock | Mechanical dual-key lock |
| Display | 2.4″ color touchscreen |
| Data Logger | Integrated with USB export |
| Connectivity | Built-in WiFi/LAN interface |
| Interior Lighting | LED |
| Adjustable Shelves | 5 (plastic-coated wire grid) |
| Shelf Load Capacity | 45 kg per shelf |
| Total Unit Load Capacity | 315 kg |
| Ambient Operating Range | +10 °C to +35 °C |
| Heat Output | 479 kJ/h |
| NoFrost Technology | Yes |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SFFvh 5501 |
| Storage Temperature Range | –9 °C to –35 °C |
| Annual Energy Consumption | 540 kWh/365 days |
| External Dimensions (D×W×H) | 747 × 769 × 1793 mm |
| Cooling Method | Fan-cooled / Automatic Defrost |
| Net Capacity | 257 L |
| Gross Capacity | 472 L |
| Weight | 113 kg |
| Refrigerant | R290 |
| Noise Level | 55 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Temperature Uniformity (Gradient/Max. Fluctuation) | 5.5 °C / 4.4 °C |
| Compliance | DIN 13277, IEC 61010-2-011, CE |
| Brand | Liebherr |
|---|---|
| Country of Origin | Austria |
| Model | SRFfg 3501 |
| Instrument Type | Upright |
| Total/Net Volume | 344 / 261 L |
| Operating Temperature Range | +3 °C to +16 °C |
| Energy Consumption | 406 kWh/365 days |
| Cooling System | Fan-Cooled |
| Refrigerant | R 600a |
| Control Interface | Monochrome Display with Touch Buttons |
| Temperature Stability | ±3 °C |
| Ambient Temperature Range | +10 °C to +35 °C |
| Noise Level | 49 dB(A) |
| Voltage/Frequency | 220–240 V~, 50 Hz |
| Cabinet Material | Steel, White Finish |
| Door Material | Steel |
| Adjustable Shelves | 4 (Glass), Load Capacity per Shelf: 40 kg |
| Total Unit Load Capacity | 180 kg |
| Power Failure Alarm | Visual & Audible Alert on Recovery |
| Optional Connectivity | WiFi/LAN Interface |
| Compliance | ATEX 2014/34/EU, EN 1127-1, IEC 60079-0, IEC 60079-15, IEC 61010-2-011 |
| Brand | Liebherr |
|---|---|
| Country of Origin | Austria |
| Model | SRFfg 4001 |
| Type | Upright |
| Total/Net Capacity | 394 / 298 L |
| Operating Temperature Range | +3 °C to +16 °C |
| Energy Consumption | 421 kWh/365 days |
| Cooling System | Fan-cooled |
| Refrigerant | R 600a |
| Control Interface | Monochrome Display with Touch Buttons |
| Temperature Stability | ±3 °C |
| Ambient Temperature Range | +10 °C to +35 °C |
| Noise Level | 49 dB(A) |
| Voltage/Frequency | 220–240 V~, 50 Hz |
| Door Material | Steel |
| Cabinet Finish | White Steel |
| Adjustable Shelves | 5 (Glass) |
| Shelf Load Capacity | 40 kg per shelf |
| Unit Weight Capacity | 225 kg |
| Compliance | ATEX 2014/34/EU, EN 1127-1, IEC 60079-0, IEC 60079-15, IEC 61010-2-011 |
| Brand | Liebherr |
|---|---|
| Country of Origin | Austria |
| Model | SRFfg 5501 |
| Instrument Type | Upright |
| Total Volume / Net Volume | 558 L / 441 L |
| Operating Temperature Range | +3 °C to +16 °C |
| Energy Consumption | 399 kWh/365 days |
| Cooling System | Fan-Cooled |
| Refrigerant | R600a |
| Control Interface | Monochrome Display with Touch Buttons |
| Temperature Stability | ±3 °C |
| Ambient Temperature Range | +10 °C to +35 °C |
| Noise Level | 49 dB(A) |
| Voltage/Frequency | 220–240 V~, 50 Hz |
| Cabinet Material | Steel, White Finish |
| Door Material | Steel |
| Adjustable Shelves | 5 (Glass) |
| Shelf Load Capacity | 40 kg per shelf |
| Unit Max Load Capacity | 300 kg |
| Compliance | ATEX 2014/34/EU, EN 1127-1, IEC 60079-0, IEC 60079-15, IEC 61010-2-011 |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Manufacturer Type | Manufacturer |
| Origin Category | Imported |
| Model | SRFfg 5501 |
| Instrument Type | Upright |
| Total/Net Volume | 558 / 441 L |
| Operating Temperature Range | +3 °C to +16 °C |
| Refrigerant | R600a |
| External Dimensions (W/D/H) | 747 × 769 × 1684 mm |
| Internal Dimensions (W/D/H) | 600 × 537 × 1460 mm |
| Annual Energy Consumption (365 days) | 1399 kWh |
| Ambient Temperature Range | +10 °C to +35 °C |
| Heat Output | 408 kJ/h |
| Noise Level | 49 dB(A) |
| Voltage/Frequency | 220–240 V~, 50 Hz |
| Input Current | 2.0 A |
| Rated Power | 145 W |
| Cooling System/Defrosting | Forced Air / Automatic |
| Temperature Gradient | 3.7 °C |
| Temperature Fluctuation | ±3.0 °C |
| Cabinet Surface Material | Steel, White Finish |
| Door Material | Steel |
| Interior Liner | Commercial-grade molded polystyrene |
| Control Interface | Monochrome display with touch buttons |
| Power Failure Alarm | Visual & audible alarm on power restoration |
| SmartMonitoring Compatibility | Yes, via optional SmartModule |
| Connectivity Options | Optional WiFi/LAN interface |
| Adjustable Shelves | 5 |
| Shelf Material | Tempered glass |
| Shelf Dimensions (W/D) | 600 × 537 mm |
| Shelf Load Capacity / Unit Weight Capacity | 40 kg / 300 kg |
| Handle Type | Ergonomic handle with assisted-opening mechanism |
| Access Port | 1 × Ø10 mm |
| ATEX Compliance | Yes (Directive 2014/34/EU, ATEX 95) |
| Lock Type | Mechanical lock |
| Hinge Configuration | Right-hinged (field-reversible) |
| Gross/Net Weight | 91 / 80 kg |
| Brand | Liebherr |
|---|---|
| Origin | Germany |
| Model | SRFfg 5501 |
| Type | Upright |
| Capacity | 558 L |
| Operating Temperature Range | +3 °C to +16 °C |
| Cooling System | Forced-Air (Fan-Cooled) |
| Refrigerant | R600a |
| Temperature Control Accuracy | ±0.1 °C |
| Certification | ATEX 95 (2014/34/EU) |
| Climate Class | SN-ST (10–35 °C ambient) |
| Noise Level | Low sound power level |
| Power Interface | Volt-free alarm contacts |
| Communication | RS485 interface for multi-unit monitoring (up to 20 units) |
| Optional External Sensor | PT100 probe support |
| Defrosting | Automatic, spark-free design |
| Door | Reversible hinge |
| Shelf Load Capacity | 40 kg per glass shelf |
| Construction | Stainless steel cabinet, GlassLine tempered glass doors |
| Energy Efficiency | High-efficiency electronic control + optimized refrigeration cycle |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SRFvg 3501 |
| Temperature Range | +3 °C to +16 °C |
| Net Capacity | 261 L |
| Internal Dimensions (W/D/H) | 460 × 423 × 1460 mm |
| External Dimensions (W/D/H) | 597 × 654 × 1684 mm |
| Cooling Method | Forced-air (Fan-cooled) |
| Temperature Stability | ±2 °C |
| Energy Consumption (per year) | 226 kWh |
| Refrigerant | R600a |
| Noise Level | 48 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Door Lock | Mechanical dual-key lock |
| Display | Monochrome touchscreen interface |
| Alarm System | Visual & audible power failure and temperature deviation alerts |
| Optional Connectivity | WiFi/LAN module available |
| Interior Lighting | Switchable top-mounted LED strip |
| Adjustable Shelves | 4 plastic-coated wire shelves (45 kg max. load per shelf, 180 kg total unit capacity) |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SRFvg 3511 |
| Temperature Range | +3 °C to +16 °C |
| Net Capacity | 260 L |
| Gross Capacity | 367 L |
| Internal Dimensions (W×D×H) | 460 × 423 × 1442 mm |
| External Dimensions (W×D×H) | 597 × 654 × 1684 mm |
| Cooling Method | Forced-air convection with automatic defrost |
| Temperature Stability | ±2 °C |
| Energy Consumption (per year) | 393 kWh |
| Noise Level | 49 dB(A) |
| Refrigerant | R600a |
| Power Supply | 220–240 V~, 50 Hz |
| Door Type | Double-glazed glass door |
| Control Interface | Monochrome touchscreen display |
| Alarm System | Visual & audible power failure and temperature deviation alerts |
| Optional Connectivity | WiFi/LAN module (field-installable) |
| Shelf Configuration | 4 adjustable coated wire shelves (45 kg max load per shelf) |
| Cabinet Material | White-coated steel |
| Ambient Operating Range | +10 °C to +35 °C |
| Heat Output | 471 kJ/h |
| Safety Feature | +2 °C Freeze Protection Device |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SRFvg 4001 |
| Temperature Range | +3 °C to +16 °C |
| Net Capacity | 260 L |
| Gross Capacity | 367 L |
| Internal Dimensions (W×D×H) | 460 × 423 × 1442 mm |
| External Dimensions (W×D×H) | 597 × 654 × 1684 mm |
| Cooling Method | Forced-air convection with automatic defrost |
| Temperature Stability | ±2 °C |
| Energy Consumption (per year) | 245 kWh |
| Noise Level | 49 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Refrigerant | R600a |
| Ambient Operating Range | +10 °C to +35 °C |
| Door Lock | Mechanical dual-key lock |
| Display | Monochrome touchscreen interface |
| Optional Connectivity | WiFi/LAN module (field-installable) |
| Interior Lighting | Switchable top-mounted LED strip |
| Adjustable Shelves | 5 pcs, plastic-coated wire grid |
| Shelf Load Capacity | 45 kg per shelf |
| Total Unit Load Capacity | 225 kg |
| Alarm System | Visual & audible power failure and temperature deviation alerts |
| Safety Feature | +2 °C Freeze Protection Device |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SRFvg 4011 |
| Temperature Range | +3 °C to +16 °C |
| Net/Total Volume | 297 L / 420 L |
| Internal Dimensions (W×D×H) | 460 × 423 × 1642 mm |
| External Dimensions (W×D×H) | 597 × 654 × 1884 mm |
| Cooling Method | Forced-air convection with automatic defrost |
| Temperature Stability | ±2 °C |
| Energy Consumption (per year) | 431 kWh |
| Noise Level | 49 dB(A) |
| Refrigerant | R600a |
| Power Supply | 220–240 V~, 50 Hz |
| Door Type | Double-glazed glass door |
| Control Interface | Monochrome touchscreen display |
| Alarm System | Visual and audible power failure & temperature deviation alerts |
| Optional Connectivity | WiFi/LAN module support |
| Shelf Configuration | 5 adjustable plastic-coated wire shelves (460 × 423 mm usable area, 45 kg max load per shelf) |
| Cabinet Material | White-coated steel |
| Ambient Operating Range | +10 °C to +35 °C |
| Thermal Output | 542 kJ/h |
| Safety Feature | +2 °C Freeze Protection Device |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SRFvg 5501 |
| Temperature Range | +3 °C to +16 °C |
| Net/Total Volume | 441 / 558 L |
| Internal Dimensions (W×D×H) | 606 × 536 × 1460 mm |
| External Dimensions (W×D×H) | 747 × 769 × 1684 mm |
| Cooling Method | Forced-air convection with automatic defrost |
| Temperature Stability | ±2 °C |
| Energy Consumption (per year) | 250 kWh |
| Ambient Temperature Range | +10 °C to +35 °C |
| Refrigerant | R600a |
| Noise Level | 49 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Door Lock | Mechanical dual-key lock |
| Alarm System | Visual & audible power failure and temperature deviation alerts |
| Optional Connectivity | WiFi/LAN interface module |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SRFvg 5511 |
| Temperature Range | +3 °C to +16 °C |
| Net Capacity | 440 L |
| Gross Capacity | 588 L |
| Internal Dimensions (W×D×H) | 606 × 536 × 1442 mm |
| External Dimensions (W×D×H) | 747 × 769 × 1684 mm |
| Cooling System | Forced-air convection with automatic defrost |
| Temperature Stability | ±2 °C (max deviation from setpoint) |
| Energy Consumption | 433 kWh/year |
| Refrigerant | R600a |
| Noise Level | 49 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Door Type | Double-glazed glass door |
| Control Interface | Monochrome touchscreen display |
| Alarm Systems | Power failure alert, +2 °C Safety Device, visual & audible alarms |
| Connectivity | Optional Wi-Fi/LAN module |
| Shelving | 5 adjustable coated wire shelves (600 × 536 mm), 60 kg/shelf load capacity |
| Cabinet Construction | Steel, white finish |
| Ambient Operating Range | +10 °C to +35 °C |
| Heat Output | 250 kJ/h |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SRFvh 4001 |
| Refrigeration Temperature Range | +3 °C to +16 °C |
| Net/Total Capacity | 298 L / 394 L |
| Internal Dimensions (W×D×H) | 460 × 423 × 1660 mm |
| External Dimensions (W×D×H) | 597 × 654 × 1884 mm |
| Cooling Method | Forced-air with automatic defrost |
| Temperature Stability | ±2.0 °C |
| Energy Consumption (per year) | 172 kWh |
| Ambient Temperature Range | +10 °C to +35 °C |
| Refrigerant | R600a |
| Noise Level | 49 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Display | 2.4-inch color touchscreen |
| Connectivity | Integrated WiFi/LAN interface |
| Data Logging | USB exportable temperature records |
| Door Lock | Mechanical dual-key lock |
| Shelf Configuration | 5 adjustable coated wire shelves (460 × 423 mm usable area, 45 kg max load per shelf) |
| Alarm System | Visual & audible power failure alarm (12-hr backup), +2 °C Safety Device activation, fault signaling |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SRFvh 4011 |
| Refrigeration Temperature Range | +3 °C to +16 °C |
| Net/Total Capacity | 297 / 420 L |
| Internal Dimensions (W×D×H) | 460 × 423 × 1660 mm |
| External Dimensions (W×D×H) | 597 × 654 × 1884 mm |
| Cooling System | Forced-air with auto-defrost |
| Temperature Stability | ±2 °C |
| Energy Consumption (per year) | 389 kWh |
| Refrigerant | R600a |
| Noise Level | 49 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Compliance | DIN 13277 |
| Interface | Integrated Wi-Fi & LAN |
| Display | 2.4" color touchscreen |
| Door | Tempered glass |
| Locking | Mechanical lock with two keys |
| Data Logging | USB export, real-time monitoring via SmartMonitoring platform |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SRFvh 5501 |
| Refrigeration Temperature Range | +3 °C to +16 °C |
| Net/Total Capacity | 441 / 558 L |
| Internal Dimensions (W×D×H) | 606 × 536 × 1460 mm |
| External Dimensions (W×D×H) | 747 × 769 × 1793 mm |
| Cooling Method | Forced-air convection with automatic defrost |
| Temperature Stability | ±2.0 °C (max deviation from setpoint) |
| Energy Consumption (per year) | 171 kWh |
| Noise Level | 49 dB(A) |
| Refrigerant | R600a |
| Power Supply | 220–240 V~, 50 Hz |
| Interface | Integrated Wi-Fi & LAN |
| Display | 2.4-inch color touchscreen |
| Door Lock | Mechanical lock with two keys |
| Data Logging | USB exportable temperature records |
| Alarm System | Visual & audible alarms for power failure, temperature excursion (>+2 °C safety threshold), and door open |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SRFvh 5511 |
| Refrigeration Temperature Range | +3 °C to +16 °C |
| Net Capacity | 440 L |
| Gross Capacity | 588 L |
| Internal Dimensions (W×D×H) | 606 × 536 × 1460 mm |
| External Dimensions (W×D×H) | 747 × 769 × 1793 mm |
| Cooling Method | Forced-air with automatic defrost |
| Temperature Stability | ±2.0 °C |
| Energy Consumption (per year) | 360 kWh |
| Refrigerant | R600a |
| Noise Level | 49 dB(A) |
| Power Supply | 220–240 V~, 50 Hz |
| Compliance | DIN 13277 |
| Interface | Integrated Wi-Fi & LAN |
| Display | 2.4-inch color touchscreen |
| Door Type | Tempered glass |
| Cabinet Material | Powder-coated steel (white) |
| Shelving | 5 adjustable plastic-coated wire shelves (600 × 536 mm), max load 60 kg/shelf |
| Total Unit Load Capacity | 300 kg |
| Ambient Operating Range | +10 °C to +35 °C |
| Heat Output | 475 kJ/h |
| +2 °C Safety Device | Yes |
| Power Failure Alarm | Yes (12-h battery backup) |
| Data Logging | USB export supported |
| Lighting | Vertical LED strip, independently switchable |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SUFsg5001 |
| Type | Upright |
| Effective Volume | 477 L |
| Interior Dimensions (W×D×H) | 606 × 605 × 1300 mm |
| Exterior Dimensions (W×D×H) | 921 × 1085 × 1966 mm |
| Power Supply | 220 V / 50 Hz |
| Rated Power | 1.6 kW |
| Temperature Range | –40 °C to –90 °C |
| Energy Consumption (24 h) | 7.9 kWh |
| Refrigerants | R290 & R170 |
| Insulation Thickness | 103–180 mm |
| Climate Class | T |
| Door | Self-closing, tool-free replaceable gasket |
| Shelving | 3 adjustable stainless steel/aluminum shelves, 50 kg load capacity per shelf |
| Control System | Comfort-type electronic controller with 5° forward-tilted display panel |
| Temperature Sensor | NTC product temperature sensor (optional retrofit kit) |
| Monitoring | Visual and audible alarm, voltage loss contact, LAN interface for remote monitoring |
| Optional | CO₂ backup cooling system |
| Safety | Dual-lock access control, StopFrost anti-vacuum door system |
| Construction | Stainless steel interior, painted steel exterior (white), aluminum handle |
| Brand | Liebherr |
|---|---|
| Origin | Austria |
| Model | SUFsg7001 |
| Type | Upright |
| Effective Volume | 700 L |
| Interior Dimensions (W×D×H) | 890 × 605 × 1300 mm |
| External Dimensions (W×D×H) | 1205 × 1085 × 1966 mm |
| Power Supply | 220 V / 50 Hz |
| Rated Power | 1.6 kW |
| Temperature Range | –40 °C to –90 °C |
| Refrigerants | R290 & R170 |
| Energy Consumption | 8.1 kWh/24h |
| Insulation Thickness | 103–180 mm |
| Climate Class | T |
| Door Type | Self-closing, tool-free replaceable gasket |
| Shelving | 3 adjustable stainless steel/aluminum shelves, 50 kg load capacity per shelf |
| Control System | Comfort-type electronic controller with 5° forward-tilted display panel |
| Temperature Sensor | NTC product temperature sensor (optional retrofit kit) |
| Monitoring Interfaces | LAN port for remote monitoring |
| Alarm System | Visual and audible fault alerts, voltage loss contact output (3 configurable contacts) |
| Optional | CO₂ backup cooling system, external calibrated temperature probe interface |