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2025 Best Selling Customer Favorites From Monarch Instrument

2025 Customer Favorites From Our Website

Since 1977, Monarch Instrument has been designing and manufacturing products essential to predictive maintenance, process monitoring, and quality control. From tachometers, stroboscopes, and sensors that measure rotational speed to data loggers that monitor pressure, temperature, and humidity, our solutions help diagnose equipment issues, reduce downtime, and improve operational efficiency and safety.

What Makes a product a Monarch Instrument Best Seller?

Monarch Instrument proudly serves customers through distributors, resellers, OEM partners, catalogs, and directly through our website.

These are our 2025 best-selling products from www.monarchinstrument.com โ€” devices trusted and used every day across industries such as manufacturing, food processing, municipal infrastructure, pharmaceutical development, printing and converting, and more.

What earns a product โ€œbest sellerโ€ status? Consistent performance, proven reliability, and real-world results. Chosen time and again by customers, these tools are website favorites and dependable solutions professionals rely on to get the job done right.


Track-Itโ„ข Gauge Pressure/Temperature Data Loggers
The most popular productsโ€”for over five years runningโ€”are the Track-Itโ„ข Gauge Pressure/Temperature Data Loggers, both with and without display (both ranking in the top 10). Built for industrial environments, these rugged and accurate loggers deliver efficiency and ease of use. Each unit includes Track-Itโ„ข DataLogger Software and the Track-Itโ„ข Transporter Android App for simple setup, data retrieval, interpretation, and export.

Track-Itโ„ข USB Series โ€“ RHTemp with Display
Among the USB Track-Itโ„ข series, the RHTemp with Display leads the way. It records up to 64,000 samples of relative humidity and temperature data and includes free downloadable software and an Android appโ€”making data management straightforward and accessible.

Best Selling Track-Itโ„ข Data Loggers

Remote Optical Sensors: ROS & ROLS
Claiming second place is a product thatโ€™s both a featured device and a critical accessory: the ROS Remote Optical Sensor. Highly versatile and compatible with Monarch strobes and tachometers, the ROS features a visible LED light source and a green LED On-Target Indicator for reliable accuracy. Close behind is the ROLS Remote Optical Laser Sensor, offering exceptional precision and long-distance measurement capability up to 25 feet.

Our Most Popular Sensors

Tachometers & Stroboscopes
As a brand known for tachometers and stroboscopes, itโ€™s no surprise that these products remain customer favorites:

  • PLT200 Pocket Laser Tachometer
  • ACT-3X Panel Tachometer
  • PLS Pocket LED Stroboscope

The PLT200 and PLS share the same comfortable ergonomic design and rugged durability, while the ACT-3X offers extensive customization to meet specific application requirements.

F2A Series Frequency-to-Analog Converters
Rounding out the list, the F2A Series Frequency to Analog Converters are popular for their customization options and included PM (Panel Meter) Remote Software. These converters easily transform frequency input signals into proportional analog voltage or current outputsโ€”ideal for process monitoring, quality control, signal conditioning, and data acquisition.

The PLS – The Favorite Strobe


For measuring, monitoring, and maintaining, thereโ€™s nothing better than Monarch Instrument.