Features Fast Data Transmission: Experience high-speed communication with a transmission rate of up to 500Kbps for efficient data transfer in your applications Enhanced Signal Integrity: Enjoy superior signal quality with single-sided wiring and large copper area design, minimizing interference for reliable performance Robust Protection Features: Benefit from ±15KV ESD protection, 600W dual-channel TVS protection, and 10Ω current protection resistance to safeguard your devices Extended Communication Range: Achieve impressive transmission distances of up to 1200 meters, ensuring connectivity across extensive setups without signal loss Multi-Device Support: Connect up to 128 devices on the same bus, enabling seamless multi-machine communication for expanded operational capabilities Features: 1、WIDE MEASUREMENT RANGE: This digital hardn tester has a wide measurement range of 0 to 100HA, ensuring a wide application. 2、EASY READING: This digital durometer with a clear LCD display is easy to read, provides ultra accurate readings without guwork errors. 3、FAST SPEED: This digital hardn meter has a high accuracy, high resolution, quick response speed, you can get a results quickly. 4、COMPACT AND PORTABLE: The hardn gauge has small pocket size and light weight for easy carrying around, you can use this meter anywhere. 5、WIDE PURPOSE: The hardn tester is suitable for testing the hardn of penetrating media such as rubber, plastic, leather, composite grease, wax, etc. Specification: Item Type: Digital Hardn Tester Material: Aluminum Alloy Battery: CR2032 Button Battery x 1, 240mAH Capacity (Built in) Detection Range: 0-100HA Resolution: 0.5HA Indication Accuracy: ±2HA Response Speed: /s Protection Grade: IP40 Needle Stroke: Approx. 0-2.5mm/0-0.1in Needle Head Diameter: Approx. 0.79mm/0.03in Working Temperature: 0℃ to 40℃ Storage and Transportation: -20℃ to 70℃ Ambient Humidity: between80% Package List: 1 x Digital Hardness Tester 1 x Storage Box 1 x User Manual Note: This is an electronic product, be careful not to contact the product with liquids, avoid exposing the product to sunlight, and do not collide with the product. Package List 1 x Digital Hardness Tester 1 x Storage Box 1 x User Manual