Thermohygrographs are completely self-contained instruments, which record continuously the temperature and relative humidity of the surrounding air. The information is recorded on a rectangular chart, wrapped round a slowly rotating drum.
| Key Features
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- Ideal for conditioned testing laboratories
- Dual chart system for maximum clarity
- Convenient battery-driven quartz movement
- Rotation: 1, 7 or 32 days (user-selectable)
- Temperature Range : -15 ° - 40 ° C
- Relative Humidity Range : 0 -100%
- Chart Graduations: 1 ° C and 1% r.h.
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