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 โbest 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-Itโข Gauge Pressure/Temperature Data Loggers
The most popular productsโfor over five years runningโare the Track-Itโข 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-Itโข DataLogger Software and the Track-Itโข Transporter Android App for simple setup, data retrieval, interpretation, and export.
Track-Itโข USB Series โ RHTemp with Display
Among the USB Track-Itโข 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 appโmaking data management straightforward and accessible.
Best Selling Track-Itโข Data Loggers
Remote Optical Sensors: ROS & ROLS
Claiming second place is a product thatโs 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
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ROS Remote Optical LED SensorPrice range: $196.00 through $221.00 -
ROLS Remote Optical Laser SensorPrice range: $257.00 through $307.00
Tachometers & Stroboscopes
As a brand known for tachometers and stroboscopes, itโs 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 outputsโideal for process monitoring, quality control, signal conditioning, and data acquisition.
Our Top Tachs!
The PLS – The Favorite Strobe
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PLS Pocket LED Stroboscope with NIST CertificatePrice range: $598.00 through $918.00























![Pocket Laser Tach 200 Tachometer (PLT200) is a digital, battery-powered portable optical tachometer, which operates up to 25 feet* [8 meters] from a reflective target using a Class 2 laser light source. The ergonomic design allows safe, direct line-of-sight viewing of both the target and the display at the same time while providing a non-slip rubber surface for single-hand operation. NIST Traceable Certificate](https://monarchinstrument.com/wp-content/uploads/2017/03/Pocket-Laser-Tach-200_PLT-Tachometer-6125-010-300x300.jpg)
