Metcheck 513 Thermohygrograph Chart Thermograph Charts and the sense of wonder

and the sense of wonder this brings

3/D/997/X is a unique 1 day hygrograph chart measuring 0-100% relative humidity between 9am-9am

but clock will remain operational

Indoor and outdoor temperature (°F or °C) and relative humidity (%)

Fitted with a mechanically-powered eight-day clock

Metcheck 513 Thermohygrograph Chart Thermograph Charts and the sense of wonderDescription Features Specification Chart No. 513 is a Monday start chart printed in orange, measuring temperatures between 0 50C and humidity from 0 100 %. Paper size is 91mm x 300mm. Each pack contains 100 charts which is two years worth of thermo hygrograph papers. Based on a traditional designs these ungummed thermo hygrograph charts are ideal for recording drums that have a clip to hold the chart in place. If your combined recording drum does not