| Main centres: | 1-3 business days | 
| Regional areas: | 3-4 business days | 
| Remote areas: | 3-5 business days | 
|         Model  |         WT100A  | 
|         Measuring range  |         1.00 -225.0mm  | 
|         Data storage  |         500  | 
|         Operate  |         5MHz  | 
|         Frequency  |         5MHz  | 
|         Measurement error  |         ±(0.5%H+0.05)mm  | 
|         Lower limit of pipe measurement  |         20x3mm (steel)  | 
|         Adjustment range of sound speed  |         1000-9999m/s  | 
|         Temperature range of operate  |         0 -40°C  | 
|         Battery  |         3 Ni-MH rechargeable batteries of 1.2V  | 
|         USB Charging  |         5V 1A  | 
|         Measurement resolution  |         0.01mm(1.00~99.99mm) 0.1mm(100~225mm)  | 
|         Probe  |         Measurement parameters  | 
|         5Md10  |         1.0-225.0mm  | 
|         Dimensions  |         65x146x30mm  | 
|         Weight  |         130g  |