无锡建仪石膏板材厚度测定仪主要用于测量石膏板的厚度,也可用于测量其它材料的厚度，石膏板材厚度仪BH-30符合GB/T9775标准要求。 Model BH-30 gypsum board thickness measuring device This device is used to measure the thickness of gypsum board and/or other materials. However, different materials or sizes may require changing the testing heads. For example, testing the depth of screw thread requires needle testing heads; testing the thickness of wood or compound board requires ball testing heads.(Those accessories are not sold along with this device.) For your convenience, this device only requires single hand operation.