January , 2026

At Hartwig Instruments, we have combined these two priorities into one specialized tool: the Closed Oil Gauging Tape (COGT). Here is why this device is becoming the industry standard for safe tank measurements.

The New Senko V-PRO: A Revolution in Portable VOC Monitoring

In the world of industrial safety, measuring Volatile Organic Compounds (VOCs) is a critical task. Whether you are involved in soil remediation, confined space entry, or Hazmat response, accuracy is not just a requirement—it’s a lifesaver. Today, we are proud to introduce the new industry standard: the Senko V-PRO.