Digital Tachometer 24V EM-3770.2

EMKO ERM-3770-N Digital Tachometer 24V is a high-accuracy industrial speed and frequency measurement device designed for monitoring rotating equipment, conveyors, motors, and process machinery. Featuring a 4-digit LED display, NPN/PNP sensor compatibility, and a measurement range from 0.07 Hz to 10,000 Hz, it provides precise real-time RPM and frequency monitoring. The unit includes programmable alarm functions, adjustable decimal point and division ratio settings, automatic sampling from 1 to 16 seconds, and optional SSR output. With IP65 front panel protection and 0.01% measurement accuracy, the ERM-3770-N is ideal for industrial automation, machine production, packaging, textile, and process control applications.

Key Features

• 4-digit red LED display
• 24 Vac/dc power supply
• NPN and PNP input compatibility
• Frequency measurement range: 0.07 Hz to 10,000 Hz
• High accuracy: 0.01%
• RPM, speed, frequency, and flow rate monitoring
• Programmable alarm setpoint
• Relay output (SSR output optional)
• Adjustable decimal point
• Adjustable division ratio
• Automatic sampling time (1–16 seconds)