HotBlock® TKN Systems

Ideal for:

  • Environmental
  • Food & Beverage
  • Pharmaceutical
  • Education/Chemistry


  • Preprogrammed to automate digestion protocols (EPA Method 351.2)
  • ​​Customizable to allow up to 20 steps perprogrammable process
  • Operate unattended, even outside regular work hours
  • Deliver reproducibility of results across different batches with precision control
  • Glass digestion tubes and stoppers work with our
  • ​SimpleDist® systems, too!


  • Meet the need of multiple procedures with heating capabilities up to 450°C
  • Available in 28- or 54-position heating blocks
  • Store up to eight programs, including TKN, with optional touch-screen controller


  • Stand up to corrosion with 316 stainless steel housing
  • Avoid risk of acid damage while saving valuable hood
  • space—controller is separate from heating block



  • Temperature range: Ambient to 450°C
  • Dimensions (W x H x D):
  • 28-well block: 221⁄2" x 16" x 12" 54-well block: 221⁄2" x 16" x 141⁄2"
  • Electrical: 240 VAC, 50/60 Hz
HotBlock TKN Systems        
Item No. Description        
TKN028 HotBlock- 28-Position With Racks, TKN        
TKN028SYS-NT TKN - 28-Well System, Block/Ctrl/Rack/NonThreaded        
TKN028SYS-TH TKN - 28-Well System, Block/Ctrl/Rack/Threaded Glass      
TKN054 HotBlock - 54-Position With Racks, TKN        
TKN054SYS-NT TKN - 54-Well System, Block/Ctrl/Rack/NonThreaded        
TKN054SYS-TH TKN - 54-Well System, Block/Ctrl/Rack/Threaded Glass      
TKN Controllers          
TKN100 TKN - Base Controller, Each        
TKN180 TKN - Touch Screen Controller, Each