Thermo-Hygrograph Chart Recorder
June 1, 2000
To read and record temperature and relative humidity, Model CTH100 thermo-hygrograph provides simultaneous recording on a circular chart in a choice of recording times: 1 day, 8 days or 32 days. From Omega Engineering Inc., the portable battery-operated recorder can be used in laboratories, wineries and textile mills.
June 2000, RS# 233