TTL61 Portable Pirani Vacuum Gauge
Rechargeable Digital Vacuum Gauge with Integrated Pirani Sensor
The TTL61 Portable Pirani Vacuum Gauge is a compact, rechargeable vacuum measurement instrument designed for convenient and reliable vacuum monitoring across laboratory, industrial and vacuum-processing applications.
Featuring an integrated Pirani sensor, clear digital display and built-in rechargeable lithium battery, the TTL61 provides real-time vacuum readings without the need for an external controller or continuous power connection. Its lightweight, portable design makes it particularly suitable for vacuum system commissioning, maintenance, troubleshooting and on-site pressure checks.
The gauge supports Pa, Torr and mbar pressure units and comes with a standard KF25 port, allowing it to be integrated into a variety of vacuum systems. According to the supplied product specifications, the TTL61 measures from 1 to 100,000 Pa. ttl61 info
Key Features
- Wide Measurement Range: 1–100,000 Pa
- Integrated Pirani Sensor: Compact all-in-one design with no separate sensor controller required
- Multiple Pressure Units: Displays pressure in Pa, Torr and mbar
- Portable & Cordless: Built-in 2000 mAh rechargeable lithium battery
- Long Battery Runtime: Approximately 8 hours of operation per full charge
- USB Type-C Charging: Convenient charging via the integrated Type-C port
- Fast Response: Response time of less than 1.2 seconds
- Multiple Connection Options: Available with KF25 connection
- Lightweight Design: Approx. 165 g excluding the vacuum fitting
- Simple Operation: One-button power-on and function switching
- Clear Digital Display: Easy-to-read pressure values for convenient system monitoring

Portable Vacuum Measurement
Unlike permanently installed vacuum gauges, the TTL61 is designed for portability. The integrated sensor, display and rechargeable power supply allow technicians and researchers to move the gauge between different vacuum systems without requiring a dedicated external display unit.
The one-button control provides straightforward operation, making the TTL61 suitable for quick vacuum checks as well as routine system monitoring. The supplied product material specifically highlights one-button power-on/function switching and portable operation. ttl61 info
Why Choose the TTL61?
The TTL61 combines a wide vacuum measurement range, integrated Pirani sensing technology, rechargeable battery operation and compact construction in a convenient handheld instrument.
Whether used for checking a vacuum pump, diagnosing a vacuum system or performing routine pressure measurements in the laboratory, the TTL61 provides a practical solution where portability and ease of use are important.
Compact. Rechargeable. Easy to use.
A practical vacuum measurement solution for laboratory and industrial applications.
