Thomas®

Thomas Analog Dry Block Heaters

  • Heats to 150°C
  • Holds interchangeable modular blocks
  • Uniform temperature control
  • Front mounted, easy-to-use dial controls
  • 2-year warranty

Thomas' multi-purpose analog dry block heaters are ideal for incubation and activation of cultures, enzyme reactions, melting/boiling points, and a wide variety of other laboratory procedures. These economical, versatile, and compact block heaters are designed for applications that require repeatable results and superior temperature stability. These high wattage, constant-temperature block heaters are economical and versatile. Each unit requires minimum bench space and features convenient front-mounted temperature adjustment knobs. Each model accepts separate interchangeable modular blocks, which accommodate various sample enclosures such as vials, microplates, PCR strips, and a wide variety of tubes. Blocks contain a thermometer well and feature close tube-and-block contact for maximum heat retentionand superior temperature stability. Blocks are anodized for corrosion resistance. All units offer two separate temperature adjustment knobs providing reproducible low temperature and high temperature control. Low range knob adjusts from ambient to 100°C and high range knob adjusts from 75 to 150°C. All 120V units are UL and C-UL listed. All 230V units are CE marked.

Temperature Range5 above ambient to 150°C
Temperature Stability±2°C
Temperature Uniformity±0.1
Thomas No.Block CapacityPowerDimensions (in./cm)Shipping Weight  (lbs/kg)
1231H151120V, 50/60Hz12 13/32 x 8 x 3 1/2 / 31.5 x 20.3 x 8.95.8/2.6
1231H161230V, 50/60Hz12 13/32 x 8 x 3 1/2 / 31.5 x 20.3 x 8.95.8/2.6
1231H172120V, 50/60Hz15 13/32 x 8 x 3 1/2 / 39.1 x 20.3 x 8.96.4/2.9
1231H182230V, 50/60Hz15 13/32 x 8 x 3 1/2 / 39.1 x 20.3 x 8.96.4/2.9
1231H193120V, 50/60Hz18 13/32 x 8 x 3 1/2 / 46.7 x 20.3 x 8.98.0/3.6
1231H203230V, 50/60Hz18 13/32 x 8 x 3 1/2 / 46.7 x 20.3 x 8.98.0/3.6
1231H214120V, 50/60Hz16 29/32 x 8 x 3 1/2 / 42.9 x 20.3 x 8.98.5/3.9
1231H224230V, 50/60Hz16 29/32 x 8 x 3 1/2 / 42.9 x 20.3 x 8.98.5/3.9
1231H236120V, 50/60Hz20 29/32 x 8 x 3 1/2 / 53.1 x 20.3 x 8.910.0/4.5
1231H246230V, 50/60Hz20 29/32 x 8 x 3 1/2 / 53.1 x 20.3 x 8.910.0/4.5

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Thomas No.Mfr. No.DescriptionList PriceExt. Price
1231H15 Analog 1 Block Heater 120V
$311.41/EA
1/EA
 
$0.00
1231H16 Analog 1 Block Heater 230V
$311.41/EA
1/EA
 
$0.00
1231H17 Analog 2 Block Heater 120V
$473.99/EA
1/EA
 
$0.00
1231H18 Analog 2 Block Heater 230V
$473.99/EA
1/EA
 
$0.00
1231H19 Analog 3 Block Heater 120V
$657.70/EA
1/EA
 
$0.00
1231H20 Analog 3 Block Heater 230V
$657.70/EA
1/EA
 
$0.00
1231H21 Analog 4 Block Heater 120V
$835.07/EA
1/EA
 
$0.00
1231H22 Analog 4 Block Heater 230V
$835.07/EA
1/EA
 
$0.00
1231H23 Analog 6 Block Heater 120V
$1,100.07/EA
1/EA
 
$0.00
1231H24 Analog 6 Block Heater 230V
$1,100.07/EA
1/EA
 
$0.00