Introduction
The HYVOHEX T200 Digital Tire Pressure Gauge is designed to provide accurate and reliable tire pressure readings for various vehicles. This manual provides essential information for the proper use, maintenance, and troubleshooting of your device, ensuring optimal performance and safety.
This device is certified by ANSI B40.7 Grade 2A standard, equipped with a high-sensitivity sensor for instant, error-free results (±0.1 PSI). Its intelligent anti-interference chip ensures stable operation across extreme temperatures, from -4°F to 130°F (-20°C to 54°C).

The HYVOHEX T200 is designed to provide accurate readings in a wide range of temperatures, from extreme heat to freezing cold.
Package Contents
Please check the package contents to ensure all items are present:
- T200 Digital Tire Pressure Gauge x1
- AAA Batteries x2
- User Manual x1

The package includes the HYVOHEX T200 Digital Tire Pressure Gauge, two AAA batteries, and this user manual.
Features
- High Accuracy: Certified by ANSI B40.7 Grade 2A standard with ±0.1 PSI error.
- Wide Measurement Range: 0-200 PSI.
- Universal Compatibility: Compatible with Schrader valves, and can be used with Presta valves via an adapter (not included). Suitable for cars, bikes, and heavy trucks.
- Easy-to-Read Display: Large LED backlight screen with bold, enlarged digits for clear visibility in any lighting condition.
- Valveless Design: Simplifies measurement; just aim and click.
- 360° Rotating Valve: Adapts to various tire valve angles for convenient use.
- Automatic Power On/Off: Powers on automatically upon use and shuts off to conserve battery.
- Durable Construction: Features an aviation-grade aluminum alloy air nozzle and an anti-drop rubber shell for impact and wear resistance.
- Easy Battery Replacement: AAA battery compartment designed for tool-free battery changes.

The gauge provides advanced accuracy with 0.1 PSI increments, meeting ANSI B40.7 Grade 2A standards.

The intuitive display screen clearly shows pressure readings, battery level, and allows selection of units.
Setup: Battery Installation
The HYVOHEX T200 requires two AAA batteries (included). The battery compartment is designed for easy, tool-free access.
- Locate the battery compartment cover on the back of the device.
- Slide or gently pry open the cover.
- Insert two AAA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Replace the battery compartment cover until it clicks securely into place.
The automatic power on and off function helps conserve battery life, providing extended use.

The device uses two AAA batteries, offering a super long standby time for reliable use.
Operating Instructions
Follow these steps to accurately measure your tire pressure:
- Power On: The device will automatically power on when you begin to take a reading. Alternatively, press the power button to turn it on.
- Select Unit: Press the 'UNIT' button to cycle through the available measurement units: PSI, BAR, KPA, and KG/CM². Select your preferred unit.
- Measure Pressure: Remove the valve cap from your tire. Firmly press the gauge's nozzle onto the tire valve stem. The valveless design allows for a quick and accurate reading with a single click. The 360° rotating valve head helps in reaching valves at various angles.
- Read Display: The tire pressure will be displayed on the large LED backlight screen. The reading will hold for a few seconds after removal for easy viewing.
- Backlight Function: If operating in dim environments, press the 'LIGHT' button to activate the backlight for enhanced visibility.
- Power Off: The device features an automatic power-off function to conserve battery life after a period of inactivity. You can also manually turn it off by pressing and holding the power button.

Effortlessly check tire pressure day or night with the large LED backlight screen.
Maintenance
To ensure the longevity and accuracy of your HYVOHEX T200 Digital Tire Pressure Gauge, follow these maintenance guidelines:
- Cleaning: Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water.
- Storage: Store the gauge in a cool, dry place away from direct sunlight and extreme temperatures. The compact, pocket-sized design allows it to be easily stored in a glove box or tool bag.
- Battery Replacement: Replace batteries when the low battery indicator appears on the display to maintain optimal performance.
- Avoid Drops: While designed with an anti-drop rubber shell, avoid unnecessary drops or impacts to protect the internal components.

The gauge features robust built quality with an anti-drop rubber shell for enhanced durability.
Troubleshooting
If you encounter issues with your HYVOHEX T200, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No display/Device won't turn on | Dead or incorrectly installed batteries. | Check battery polarity or replace with new AAA batteries. |
| Inaccurate readings | Improper connection to valve stem; extreme temperature fluctuations. | Ensure a firm, straight seal on the valve stem. Allow device to acclimate to ambient temperature if moved from extreme cold/heat. |
| Display flickers or is dim | Low battery. | Replace batteries. |
Specifications
- Measurement Range: 0-200 PSI
- Accuracy: ±0.1 PSI (ANSI B40.7 Grade 2A)
- Operating Temperature: -4°F to 130°F (-20°C to 54°C)
- Power Source: 2 x AAA Batteries (included)
- Material: Plastic, Aviation-grade aluminum alloy (nozzle), Anti-drop rubber shell
- Item Weight: 100 g
- Product Dimensions (L x W x H): 16 x 3.7 x 2.7 cm
Warranty and Support
HYVOHEX is confident in the durability and quality of the T200 Digital Tire Pressure Gauge. If you encounter any quality problems with the product, our dedicated support team is available to assist you with solutions or any needs you may have. Please refer to the contact information provided with your purchase for customer service.