Digital Series DM8000 measures shaft speeds lower than 1 rpm with ±0.04% accuracy, even if shaft is uneven. Tachometer has microprocessor with nonvolatile memory, and 2 selectable relay outputs. Parameters are set via front panel. Large LED display is adjustable for intensity, decimal point position, and zero blanking. Meter fits in 1/8 DIN configuration. Faceplate assembly is NEMA 4x rated with supplied gasket.