2 Week Lead Time (MET-250)
A hygrograph uses a length of hair to record changes in air humidity.
The resulting manually-adjusted natural hair grid has been employed for decades when high accuracy is required.
The precision mechanics meter drives the recording drum (acc. to DIN 58658), on which special charts are mounted.
These delicate mechanics are housed inside a robust metal housing making the 250 Hygrograph suitable for floor, shelf or table top mounting.
|Measuring Element||Natural hair grid|
|Measurement Range||0 - 100% RH|
|Accuracy||+/- 2% RH|
|Conditions Range||Temperature: -35°C - +70°C / Humidity: 0 - 100% RH|
|Housing Dimensions||280mm x 145mm x 180mm|
|RAL||9010 (clean white)|
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