No, the stat probe is between the glass and UTH, on the outside. The only probes on the inside are for thermometers.hygrometers. Currently have 78.3/41% on the meter/hygro, and 91.2 on the meter between the glass and carpet (above the UTH).
He is about 18 inches long, and about 70 grams, but that is using an old, beat up scale, and may not be accurate.