The AI-TEK T77630-40 is a dual-channel digital process tachometer that measures input frequency from a variety of sensors and converts it into usable engineering units . Housed in a rugged NEMA 4X enclosure, it is specifically engineered to withstand washdown environments, corrosion, and outdoor elements, making it ideal for food processing, marine, and offshore applications . It features an integrated 128x64 LCD graphics display with backlight for clear visualization of speed, count, period, alarm status, and user-defined units for each independent channel .
Key Technical Specifications
Manufacturer: AI-TEK Instruments, LLC (formerly AIRPAX)
Series: TACHTROL® 30
Part Number: T77630-40
Input Power: Wide-range universal power supply: 80-264 VAC (50/60 Hz) and 12-30 VDC
Enclosure Type: NEMA 4X (watertight, corrosion-resistant)
Net Weight: 4.0 lbs
Operating Temperature: Designed for environmental hardening against temperature extremes, vibration, and shock
Superior Performance and Accuracy
The TACHTROL 30 series sets a new standard for speed measurement with exceptional response times and accuracy :
Blazing Fast Response: Analog output and display update in just 7.6 ms; solid-state relays trigger in an incredible 2 ms, while mechanical relays respond in 16.5 ms .
Unmatched Accuracy: Delivers 0.1% accuracy for analog output and display, and 0.005% accuracy for relay functions, ensuring precise control and protection .