Lambrecht 250 Hygrograph Chart can be started any day of the week and printed in green with two hourly time intervals, whilst recording humidity from 0–100%. Paper size is 90mm x 300mm.
Based on a traditional design these non-adhesive hygrograph charts are ideal for recording drums that have a clip to hold the chart in place. If your recording drum does not have a clip Metcheck suggest using our chart tape to hold the sheets in place.
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...
ly manufactured, the MET-251 Thermograph is a traditional option for measuring and recording temperature. The recording of temperature values via a thermograph is tamper proof and requires...
A Thermo-Hygrograph records air temperature and relative humidity on a continuous basis. It is used to monitor the optimum temperature and humidity where these factors are important....