Tech Cal is a chart recorder manufacturer located in the heart of Houston, Texas. Our Tech Cal Chart Recorders are made with genuine Pelican Cases® right here in Houston. Chart Recorders are the toughest, most dependable, and most accurate mechanical recording devices in the world.

Our chart recorders and other products are 100% made in the USA and are assembled and calibrated by highly trained technicians.

Tech Cal recorders are the best because they are durable, use quality American made parts made of stainless steel, aluminum, and plastic to prevent rust and reduce weight. Plus, they are lightweight and easy to use!

We include a 12-month warranty, and our products are made quickly and to exact customer specification. Our Chart Recorders are accurate to 0.5% full scale and are rugged as they are housed in a genuine Pelican Cases®.

Tech Cal Recorders are water resistant, they include extra pens and battery inside, and are Made in the USA.

Chart Recorder Repair

Our full-service calibration lab will provide fast, high-quality calibration and repair services on all your pressure, temperature, torque, and load test equipment. While your chart recorder is being repaired, check out our chart recorder rental services!

Chart Recorder Rental Services

Since 1998, Tech Cal is ISO registered and certified to ensure all our customers receive the highest degree of quality. Tech Cal also offers rentals of Tech Cal Chart Recorders and other measuring devices like pressure gauges, digital dead weights, and torque wrenches. We have an extensive stock of Graphic Controls™ chart paper and pens, batteries, and other consumables.

Houston Calibration services

All our calibration services are performed in-house here in Houston Texas.

We offer a large selection of calibration services:

  • Pressure Gauges
  • Chart Recorders
  • Torque wrenches
  • Torque Testers
  • Pressure Relief Valves
  • Force Gauges
  • And More

Calibration is essential to ensure accurate and proper operation and results. Inaccurate results and false negatives or false positives can be the results from uncalibrated test equipment.