or
Pen, Humidity/temperature; Fisher Scientific; Traceable; With memory; Relative humidity range: 25 to 98%; Temp. range: 0.0deg. to 50.0deg.C; Wt.: 1.75 oz. (50g); 0.5L x 6.62W x 1.25 in. H (1.2 x 17 x 3.2cm)
