Subject: Omega thermohumidigraph model # cth-83F-7
Omega Thermohumidigraph Model # CTH-83F-7. Tested, will CALIBRATE upon request for additional cost. Range: 0 to 100% RH; 0-120° F. Run by AC power, 7 days chart. Included 4 new charts (size 7"), and 2 new pens. Ref. # C13273
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