LW Scientific Digital Slide Warmer - SWL-14PL-77DP | 14-Slide PID Control - Made in USA

Drying microscope slides over a Bunsen burner or leaving them on a benchtop overnight introduces inconsistency that ruins staining results. Uneven drying causes tissue sections to lift, fold, or wash off during subsequent staining steps — wasting hours of sectioning work and irreplaceable specimens. The LW Scientific SWL-14PL-77DP Digital Slide Warmer solves this by providing a flat, temperature-controlled aluminum surface that holds 14 standard slides at a precise, even temperature.

Digital PID control lets you dial in the exact drying temperature your protocol requires — typically 37°C to 60°C for paraffin sections — and the LED display confirms the surface has reached setpoint before you load slides. The compact footprint fits easily next to a microtome or staining station, and the 12 VDC power system with included 90–240 VAC adapter keeps the unit safe and operational in any lab worldwide.

Features and Benefits

• 14-Slide Capacity: Flat aluminum surface accommodates 14 standard 25 × 75 mm microscope slides simultaneously, keeping pace with high-throughput sectioning workflows.

• Digital PID Temperature Control: Precise regulation eliminates hot spots and temperature fluctuations that cause uneven drying, tissue lifting, or section loss during staining.

• LED Temperature Display: Shows actual surface temperature in real time so you can verify drying conditions before committing valuable tissue sections.

• Low-Voltage 12 VDC Operation: Safer than AC-powered warmers in wet laboratory environments. Included 90–240 VAC adapter provides universal power compatibility.

• Compact Benchtop Footprint: Fits alongside microtomes, cryostats, and staining stations without monopolizing bench space.

• USA Designed and Assembled: Built in Atlanta, Georgia with durable construction for years of daily use in histology, pathology, and cytology laboratories.

Specifications

Laboratory Applications

• Drying paraffin-embedded tissue sections onto charged or coated slides before H&E, IHC, or special staining procedures in histology labs

• Warming cytology smears (Pap smears, fine needle aspirates) for proper fixation and adhesion before Papanicolaou or Diff-Quik staining

• Deparaffinization pre-warming — raising slide temperature to soften paraffin before xylene treatment in manual or automated staining workflows

• Drying frozen sections from a cryostat onto glass slides before rapid immunofluorescence or enzyme histochemistry staining

Frequently Asked Questions

How many slides does the SWL-14PL-77DP hold?
The flat warming surface accommodates 14 standard 25 × 75 mm glass microscope slides arranged side by side.

What temperature range is this slide warmer capable of?
The digital PID controller provides precise temperature regulation across the range needed for standard histology and cytology slide drying protocols, typically 37°C to 60°C for paraffin sections.

Is this slide warmer safe to use in wet lab environments?
Yes. The unit operates on low-voltage 12 VDC power, reducing electrical hazard risk compared to AC-powered warmers. The included adapter converts any 90–240 VAC mains outlet to safe 12 VDC input.

Can I use this warmer for deparaffinization?
Yes. Setting the warmer to 58–60°C softens paraffin on tissue sections, which can improve deparaffinization efficiency before xylene treatment. However, the primary purpose is slide drying and tissue adhesion.

Is this manufactured in the USA?
Yes. LW Scientific designs and assembles this slide warmer in Atlanta, Georgia, with US-based technical support and warranty service.

Quality Assurance

LW Scientific instruments are designed and assembled in Atlanta, Georgia. Each slide warmer is tested for temperature uniformity across the full surface before shipment. LW Scientific provides direct US-based technical support and warranty service.

Academic and Institutional Pricing

LabSupplies.com offers tiered quantity pricing for academic and research institutions. As an authorized dealer, we ship directly from USA inventory.