Fafeicy Digital RPM Meter 4 Digit Red LED Tachometer Anti Interference Hall Proximity Switch Magnet Sensor NPN 22mm Mount 30 9999RPM for Industrial

Fafeicy Digital RPM Meter 4 Digit Red LED Tachometer Anti Interference Hall Proximity Switch Magnet Sensor NPN 22mm Mount 30 9999RPM for Industrial

• [Anti-interference Technology] Built with a shielded filtering circuit, this rpm meter resists electromagnetic interference and vibrations, ensuring stable and accurate signal transmission. it thrives in harsh industrial, automotive, and outdoor environments, with a wide operating temperature and voltage range for long-term reliability.
• [Clear Red Led Display] Featuring a bright 0.56-inch 4-digit red led screen and 0.2-inch digital tube, this tachometer offers excellent visibility even in direct sunlight. the compact design saves space while enabling flexible installation in control panels, distribution boxes, and other standard 22mm cutouts without modification.
• [Contactless Speed Detection] Equipped with a sensitive npn hall proximity sensor, this tachometer enables fast, contactless speed measurement with strong anti-vibration and anti-interference properties. perfect for demanding applications, it ensures durability and precise readings in challenging conditions like heavy machinery and vehicle diagnostics.
• [High Precision Measurement] This digital rpm meter delivers exceptional accuracy with a measurement range of 30-9999 rpm and a precision of ±0.1%. ideal for monitoring motors, fans, wheels, and other rotating equipment, it ensures reliable data for maintenance and performance optimization. the over-range detection feature displays 0000 for speeds below 30 rpm and for speeds exceeding 9999 rpm, providing clear alerts for abnormal conditions.
• [Universal Compatibility] Designed for versatility, this tachometer supports a wide dc input voltage range with a 40ma current draw, making it compatible with car systems, industrial machinery, and small equipment. no additional voltage regulation is needed—simply plug and play for effortless operation in diverse power environments.