Pulse Counter Operating temperature: -10...+55 °C Counter input: PNP, NPN Dimensions: 48 x 24 x 50.7 mm Front panel cut-out: 45 x 22.2 mm Operating voltage: Litiumbatterie Power supply, internal: Lithium battery Backlight: Yes Display type: LCD Displays: 8-Digit Format: 48 x 24 mm Protection rating: IP65 (Front Panel) Termination type: Screw Terminal Character height: 8 mm Counting frequency max.: 30 Hz / 12 kHz