Accurate Measurements for Precision: The -189A Digital Manometer is a versatile tool designed for professionals and hobbyists alike. With its digital display and a wide range of pressure units, this manometer is perfect for any gas pressure system troubleshooting. The device boasts a high-precision linearity/hysteresis of 0.1% of full scale, ensuring accurate readings for your measurements. 1/8 quick connector allows for easy and secure connections, making it a reliable tool for various applications. User-Friendly Features for Ease of Use: The -189A is not only accurate but also user-friendly. The automatic shutdown feature activates after about 25 minutes of inactivity, conserving battery life. The device is designed to operate within a comfortable temperature range of 0~40 degrees Celsius, making it suitable for various environments. The storage temperature range of -10~60 degrees Celsius ensures that the manometer can be stored safely without any issues. The device's repeatability is 0.25%, which means that you can trust the readings to be consistent each time you use it. Versatile and Reliable for Diverse Applications: Whether you're a professional technician or a DIY enthusiast, the -189A Digital Manometer is a valuable addition to your toolkit. With a maximum measuring range of 49 PSI & Under, it's perfect for a variety of tasks, from automotive to industrial applications. The device's compact size and design easy to carry, ensuring that you have the right tool at hand whenever you need it. The -189A is a testament to the 's commitment to quality and reliability, making it an indispensable tool for anyone who demands precision in their work. -189A Digital Manometer Dual-Port Manometer Gas Pressure Tester LCD Display With Backlight forany gas pressure system trouble accuracy:0.3% Over-range prompt:ERR1 or ERR2 Item weight:134g/4.73oz Item size:160 x 62 x 31mm/6.3 x 2.44 x 1.22in Display Type: Digital Linearity/hysteresis: 0.1% of full scale Pressure connection: /8 (3.18 mm) quick connector Max Measuring Range: 49 PSI & Under Pressure units: H2O, PSI, Bar, Mbar, kPa, cmH2O Automatic shutdown: About 25 minutes Storage temperature range: -10~60 Operating temperature: 0~40 Repeatability: 0.25% Limited maximum pressure: 6Psi Color: As Shown Material: plastic Package Contents: 1 * Digital Manometer Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.