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POL-EKO ZLW-T 300 Laboratory Ultra-Low Freezer -40°C (Smart / Smart PRO)

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310 L cabinet capacity, laboratory ultra-low freezer operating in -40…0°C range. Offered with PID-controlled Smart and Smart PRO options for pharmaceutical, biotechnology, and clinical sample storage.

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  • -40…0°C temperature range, 0.1°C resolution
  • 310 L cabinet capacity, 213 L working volume
  • PID microprocessor control; Smart 4.3" / Smart PRO 7" touchscreen display
  • Stainless steel interior cabinet and polyurethane foam insulation
  • DIN 12880 Class 3.2 optional overheat protection
  • LAN, USB (Smart) / LAN, USB, WiFi (Smart PRO) connectivity

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ZLW-T 300 is an ultra-low freezer designed for precise specimen and reagent storage in laboratory environments, operating in the -40…0°C temperature range. With a cabinet capacity of 310 L and a working volume of 213 L, it provides suitable capacity for pharmaceutical repositories, biobanks, and clinical laboratories.

The unit delivers uniform temperature distribution within the cabinet through PID microprocessor control and forced air convection. The Smart model features a 4.3" touchscreen display, while the Smart PRO model includes a 7" touchscreen display with WiFi connectivity; both models are equipped with LAN and USB ports. The stainless steel interior cabinet and polyurethane foam insulation ensure long-lasting and energy-efficient operation.

Optional Class 3.2 overheat protection compliant with DIN 12880 standard, door open alarm, and door lock support specimen security. The C, CS, P, PS, P PRO, and PS PRO model variants offer different exterior casing options (powder-coated or polished INOX) and interior cabinet material selections, providing a customizable solution adapted to laboratory requirements.

Technical Specifications

Temperature Range -40…0°C
Cabinet Capacity 310 L
Working Volume 213 L
Temperature Resolution 0.1°C
Temperature Fluctuation (-20°C) ±1.5°C
Temperature Variation (-20°C) ±1.8°C
Control System PID Microprocessor
Touchscreen Display 4.3" (Smart) / 7" (Smart PRO)
Air Circulation Forced Convection
Insulation Polyurethane Foam
Interior Cabinet Material Stainless Steel (DIN 1.4016/1.4301)
Shelf Quantity (Standard/Max.) 3 / 6
Max Shelf Load 10 kg
Max Product Load 80 kg (Standard), 160 kg (Reinforced PW)
Weight 185 kg
Electrical Input 230 V, 50-60 Hz
Nominal Power 450 W
Refrigerant Gas R290 (GWP=3)
Ports LAN, USB (Smart) / LAN, USB, WiFi (Smart PRO)
Warranty 24 Months

Applications

  • Low-temperature storage of pharmaceutical products and reagents
  • Biobank and biotechnology specimen storage
  • Clinical laboratory sample storage

Frequently Asked Questions

What is the difference between ZLW-T 300 Smart and Smart PRO?
Smart offers a 4.3" display with LAN/USB connectivity; Smart PRO includes a 7" display with additional WiFi connectivity.
What is the temperature stability of the unit?
At -20°C, the unit operates with ±1.5°C temperature fluctuation and ±1.8°C variation, providing control at 0.1°C resolution.
Is DIN 12880 compliance available?
Yes, DIN 12880 Class 3.2 overheat protection is offered as an optional feature.