OMEGA Circular Temperature Chart Recorder CT87• 152 mm (6 in) Circular Chart• J Type Thermocouple Input• Economical• Easy-to-Read 6-Inch Circular Chart• LED Digital Display of Temperature• Front Panel Controls for Fast, Easy Setup• Select From 3 Temperature Ranges• 6-Hour, 24-Hour, or 7-Day Chart Rotation• Select for Single or Continuous Chart Rotation• Free Standing or Wall Mounted• Fold Down Carrying Handle• Durable Polycarbonate Case• Plug-In SMP Connection for J Thermocouple• Adaptor for 120 Vac Operation (220 Vac Optional)• Battery Back-Up for Power InterruptionsCT87LF CT87LC-220 CT87HF CT87HF-220 CT87HC CT87C--40-30F/7D CT87C--40-30F/24H CT87C--40-30F/6H CT87C--40-0C/7D CT87C--40-0C/24H CT87C--40-0C/6H CT87C--20-50F/7D CT87C--20-50F/24H CT87C--20-50F/6H CT87C--30-10C/7D CT87C--30-10C/24H CT87C--30-10C/6H CT87C-50-120F/7D CT87C-50-120F/24H CT87C-50-120F/6H CT87C-10-50C/7D CT87C-10-50C/6H CT87C-LF-MIX CT87C-LC-MIX CT87C-0-250F/7D CT87C-0-250F/24H CT87C-0-120C/7D CT87C-0-120C/24H CT87C-0-120C/6H CT87C-0-500F/7D CT87C-0-500F/24H CT87C-0-500F/6H CT87C-0-250C/7D CT87C-0-250C/24H CT87C-0-250C/6H CT87C-500-1000F/7D CT87C-500-1000F/24H CT87C-500-1000F/6H CT87C-250-500C/7D CT87C-250-500C/24H CT87C-250-500C/6H CT87C-HF-MIX CRT-110V-ADAPTOR CRT-220V CT87-PEN-BLACK CT87-J-NP TC-GG-J-24-72-SMP-M-PP