Atp 2000 count auto ranging digital multimeter dm 921 atp dm 921 p the dm 921 digital multimeter is suitable for use by electricians electronic engineers general industry and laboratories it is en61010 1 cat iii rated with 2000 counts a single positive action rotary selection and a large high contrast lcd makes this multimeter easy to use p atp auto ranging 2000 count digital multimeter dm 921