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POL-EKO ZLN 85 Series Laboratory Deep Freezer -25°C

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84 L capacity, PID microprocessor-controlled laboratory deep freezer operating in the -25…0°C range. Smart and Smart PRO versions suitable for pharmaceutical, biotechnology, and clinical sample storage.

-25...0°C temperature range, 0.1°C resolution
84 L gross capacity, 73 L working volume
PID microprocessor control, Smart (4.3") / Smart PRO (7") touchscreen
Stainless steel inner chamber (DIN 1.4016/1.4301), polyurethane foam insulation
DIN 12880 Class 3.2 optional over-temperature protection
R290 refrigerant, LAN/USB ports, WiFi on Smart PRO

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Daha fazla detay

The ZLN 85 Series is a laboratory deep freezer manufactured by POL-EKO Aparatura, designed for low-temperature sample storage in laboratory environments. Operating within the -25…0°C temperature range, it features a 84-liter gross capacity and 73-liter usable working volume. Suitable for applications requiring precise temperature monitoring, such as pharmaceutical storage, biotechnology specimens, and clinical samples.

The unit operates with a PID microprocessor control system; the Smart model includes a 4.3" display, while the Smart PRO model features a 7" full-color touchscreen. Temperature resolution of 0.1°C with temperature fluctuation of ±0.5°C at -20°C and temperature variation of ±2°C. Natural convection cooling system with polyurethane foam insulation ensures balanced internal temperature. The inner chamber is constructed from stainless steel (DIN 1.4016/1.4301); the outer casing is available in powder coat or bright INOX finishes. Optional Class 3.2 over-temperature protection in accordance with DIN 12880 standard is available.

The Smart PRO model includes WiFi connectivity; both models feature LAN/USB ports enabling remote monitoring and data logging. R290 refrigerant use (GWP=3) reduces environmental impact. Multiple model variants (C, CS, P, PS, and PRO versions) offer different exterior finishes and control options, providing flexibility to match laboratory requirements.

Technical Specifications

Manufacturer	Poleko Aparatura
Temperature Range	-25…0°C
Temperature Resolution	0.1°C
Temperature Fluctuation (-20°C)	±0.5°C
Temperature Variation (-20°C)	±2°C
Gross Capacity	84 L
Working Volume	73 L
Air Circulation	Natural Convection
Control System	PID Microprocessor
Display	4.3" (Smart) / 7" (Smart PRO) touchscreen
Insulation	Polyurethane Foam
Inner Chamber Material	Stainless Steel (DIN 1.4016/1.4301)
Outer Casing	Powder Coat or Bright INOX
Temperature Protection Class	DIN 12880 Class 3.2 (Optional)
Standard/Max Shelf Count	2 / 4
Max Shelf Load	10 kg
Max Product Load	30 kg
Weight	62 kg
Electrical Input	230 V, 50-60 Hz
Nominal Power	200 W
Refrigerant	R290 (GWP=3)
Warranty	24 Months
Models	ZLN 85 C/CS/P/PS SMART, ZLN 85 P/PS SMART PRO

Applications

Pharmaceutical product storage at -25°C
Biotechnology specimen storage at low temperature
Clinical laboratory sample preservation

Frequently Asked Questions

What is the difference between Smart and Smart PRO models?

The Smart model features a 4.3" touchscreen, while the Smart PRO includes a 7" display with additional WiFi connectivity. Other core specifications (volume, temperature range) remain identical.

What is the temperature stability of the unit?

At -20°C, temperature fluctuation is ±0.5°C and temperature variation is ±2°C.

Is DIN 12880 Class 3.2 protection included as standard?

No, this over-temperature protection class is available as an optional feature.