Hygrothermograph

Features

Specifications

• Operating Tempurature Range:
  +20.0/+140.0 degrees fahrenheit
• Scale Type:
  Circular
• Recording Chart Type:
  Circular
• Chart Speed:
  1.0 revolutions per 7 days
• Pointer/pen Type And Quantity:
  2 recording multiple
• Federal Supply Class (fsc):
  Pressure, temperature, and humidity measuring and controlling instruments
• National Stock Number (nsn):
  6685-01-119-9904
• Special Features:
  Dual pens record both % rh and temperature; hygroscopic element (replaceable) records rh with 5% accuracy; gas actuated temp element with 1 degrees accuracy; portable type recorder with carrying handles and legs' 12 inch chart size; temp range 30 to 120 degrees f; humidity range 20 to 90 percent