MIXCHEK Portable Specification
Ranges 0-100% Helium in N₂ and / or O₂ 0-100% Oxygen in N₂ and / or Oxygen
Accuracy Helium / Oxygen ±2% of FS at constant temperature ±5% over operating temperature range
Operating Temperature Range 0 - 40
Response Time 90% of final value in less than 7 seconds
Battery Life 150 hours

MIXCHEK HE-Analyzer
Portable - fast response,  accurate and
long life sensor

MIXCHEK HE-Analyzer
Wall-mount - fast response,  accurate and
long life sensor

• Easy to read 3.5 digit LCD display
  
• Optional oxygen analysis with long life (35 month ) sensor
  
• Operate for 150 hours on four C batteries or with AC power adapter
  
• On / Off switch to conserve power Linearised output
  
• Waterproof plastic case
  
• Solid state TC sensor
  
• Long life (36 month) R-33D1 high output oxygen sensor drives LCD directly
  
• 3/16" x 4ft. sample line