The new RLD382P is a cordless leak detector from General Tools & Instruments Co. The company claims that the device is lightweight, highly sensitive and ideal for maintaining any air-conditioning or cooling system using a compressor and refrigerant. The portable unit features an onboard intake pump to more efficiently pull gasses through the microprocessor-controlled sensor. This sensor employs digital signal processing, which is extremely sensitive to the full variety of halogenated refrigerants. The detector also includes an automatic ambient-reset function and high/low leak sensitivity selector, and it features an audible alert along with a multicolor visual display to indicate leak sensitivity.

General Tools & Instruments Co., 80 White St., New York, NY 10013; (212) 431-6100; www.generaltools.com.