Thermo Dual Block Digital Block Heater with 2 28-Place Blocks, cat # P7221635

The Thermo Scientific dual‑block digital dry bath/block heater (#P7221635) is a benchtop PID‑controlled heating system featuring two interchangeable aluminum blocks, each accommodating 28 × 2 mL tubes, designed for precise temperature control from ambient +5 °C to 130 °C.

Key Specifications
Number of Blocks: 2 modular blocks (sold separately), allowing flexible sample configurations
Block Capacity: Each block holds 28 tubes of 2 mL volume (28-place per block) 
Temperature Range: Ambient +5 °C up to 130 °C
Temperature Accuracy & Uniformity: ≤ ±0.5 °C accuracy and ≤ ±1 °C uniformity at 37 °C 
Timer: Programmable from 0 to 99 min 59 sec, plus continuous mode
Controller: Digital PID control with temperature calibration and offset adjustment 
Construction & Safety: Powder-coated steel housing with built-in overheating protection, LED backlit display
Dimensions (2‑block model): 12.5″ × 7.9″ × 3.9″ (318 × 200 × 100 mm); weight ~3.3 kg
Heating Rate: Heats from 30 °C to 130 °C in ≤20 min  

Comes with our 90-day warranty.

Biotech Equipment Sales, Inc.: based in South San Francisco, the Biotech capital of the world, since 2009. We are dedicated to bringing high-quality pre-owned laboratory instrumentation to our scientific community.

Biotech Equipment Sales, Inc.
226 Miller Ave.
South San Francisco, CA  94080
650-871-5707 office
650-276-7487 fax
sales@biotechequipmentsales.com