WS260 Precision Scale

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Load Range:
0-264.5 lbs (120.01 kg)
± 5 g 0-10 kg, ± 5 g + .03% of Reading 10 kg +
(High) 1 g / .01 lbs / 0.1 oz. ; (Normal) 10 g / .5 oz. / .1 lb
Single Line: kg, lb, oz. ; Two Line: kg +g, lb + oz.
(3) AA batteries, 5V USB-C
Wireless Range:
1000 ft. (305 m)
Protection Rating:
Operating Temperature:
-4 °F to 131 °F (-20 °C to 55 °C) *limited by battery performance
Maximum Cylinder Base Size:
9 in. (22.9 cm)
Storage Temperature:
-4 °F to 140 °F (-20 °C to 60 °C) *without batteries
Auto Power Off:
15 Minutes (Selectable On/Off)
Sensor Overload:
297.6 lbs (135 kg)
Battery Type:
(3) AA Batteries
Battery Life:
96 Hours *Bluetooth off in Normal Resolution Mode
10 lbs (4.5 kg)

The Best Choice When Grams Matter!

The WS260 Precision Scale boasts a robust aluminum construction and provides a wide measurement range, tailored perfectly for the rigorous demands of HVAC/R field service work. With an unwavering commitment to durability, stability, and pinpoint accuracy, the WS260 promises to be an invaluable asset in any professional's toolkit.

From the intricate task of measuring critical charges in mere grams to managing large systems with hundreds of pounds of refrigerant, this scale is up to the task. The easy-to-read backlit digital display ensures you obtain precise readings at a glance. Enhance your measurement experience further by connecting the scale to our dedicated mobile app. With the Appion Central™ app, you can tap into advanced features like data logging, recovery cylinder management, and more, ensuring you stay ahead in the fast-paced world of HVAC/R servicing.

Features and Benefits

  • High Accuracy - Industry-leading accuracy of ± 5 g 0-10 kg, ± 5 g + .03% of Reading 10 kg +
  • Ultra-fine Resolution - 1 gram resolution, perfect for high-SEER and other critical charge systems
  • Durable - Aluminum housing, IP54 rated, rigid protective carrying case; built to withstand real-world conditions
  • Easy-to-Read Display - Adjustable backlit display with enlarged numbers allows for optimized readability is poorly lit environments
  • Extended Battery Life - Up to 96 hour battery life on (3) AA batteries with Bluetooth off in Normal Resolution Mode
  • Appion Central™ App Compatibility - Remote access and control, data-logging with export functionality, monitor recovery and charging operations, and much more!
  • Extended Wireless Range - Up to 1000 ft. (305 m) wireless Bluetooth® range for ultimate connectivity no matter where you are *line of sight


  • (1) WS260 Precision Scale
  • (1) Certificate of Conformity
  • (1) Durable Hard Case
  • (1) Quick Start Guide
  • (3) AA batteries

Scale Features with the Appion Central™ App

The Appion Central™ App enables remote, real-time viewing for all Appion Digital Measurement Tools!

Pair the WS260 with the Appion Central™ App to unlock advanced features such as live data logging, remote viewing of real-time readings, notifications from custom alarms when readings move beyond predetermined thresholds, and the ability to export job reports. More functionality, less bulk.

Useful Information

Additional Product Material

Technical Bulletins

Always wear gloves and eye protection and follow proper safety practices when handling refrigerants. See these Tech Bulletins for more information.

For California Consumers:


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