Temperature, Pressure Humidity Recorder -- from $459

Features:

• Stainless Steel movement, link(s) and pen arm(s)
• 6", 10" and 12" cases are aluminum
• 8" case is "Noryl" engineering structural foam
• Fully gasketed door; glass excludes dirt, dust and moisture
• Universal mounting brackets for surface or flush mounting
• Fiber tip cartridge pens (disposable)
• 110V, 60 Hz electric chart drive - specify either 24 hour or 7 day revolution
• All 6" chart size as well as 8", 10" or 12" portable units are furnished with 6 Ft. 3-wire power cord, UL listed. 8", 10" or 12" wall or flush mounted units furnished with terminal block, UL recognized, and conduit connection for direct electrical hook-up
• Bottom connection standard on 6" recorder
• Universal connection is furnished on all 8", 10" & 12" units
• Options: Spring wound chart drive; battery powered, quartz controlled chart drive; portable unit with carrying handle and legs; electric contact(s)

8" Chart Size "Noryl®" Case Thermohygrograph -- from $770

Features:

• Simultaneously indicates and records both temperature and % r.h. on 8" circular chart
• Both sensing units are located within the case where they are protected from damage
• In the 8" chart size with the Noryl case, both sides of the case are slotted to permit the surrounding air to enter
• Accurate dependable human hair element records % r.h. with an accuracy of ±3% from 20 to 90%
• Gas actuated filled system element records temperature with an accuracy of ±2° (1° on -20/40°C range)
• Stainless Steel movement, links and pen arm
• Disposable fiber tip cartridge pens
• Suitable for ambient temperatures of +10/150°F (-6/65°C); Ranges: 0/100°F; 0/120°F; 0/150°F; 0/100°C; -20/40°C
• Chart Drive Type: electric (110V, 60 Hz standard); hand wound; battery powered