AgraTronix  WCT-2 [08191] Portable Wood Chip Moisture Meter. Designed for testing the moisture content of logging residue, the tester can obtain measurements directly from a load of material or from a sample gathered into a bucket. Measurements are taken from a 7.75˝ diameter zone between the metal tip of the probe and the dish portion of the tester. The tester features four scales for various types of residue: wood chips, fine logging residue chips, medium-sized logging residue chips, and coarse logging residue chips.