With response time of <1 minute, 120K-W Laser Power Meter can measure very high power, fiber, IR, and Nd:YAG lasers. Portable unit consists of beam dump with overall dimensions of 50 x 50 cm, and water flow power measurement unit with 11 x 15 x 34 cm dimensions. Connecting to PC via RS-232 interface, meter includes software that displays and graphs power and water flow rate. It is suited for heavy-duty applications, such as deep penetration welding, drilling, and cutting large products in field.