Our truck-mounted volumetric proving vessels are available for on-site flow meter calibration of light petroleum products and some chemicals. All proving vessels are traceable to NIST and re-certified yearly. Calibrations are performed according to NIST Handbook 44 guidelines.

Load Rack & Delivery Truck Pump

Load Rack & Delivery Truck Pump, Meter, Register, Valve

General Repairs & Maintenance

Calibration & On-site Services

1500 Gallon Prover with 100 Gallon Piggyback Can

  • Bottom & Top Load Distillate Petroleum
  • Products and Lube Oils
  • Up to 1000 GPM
Trailer Mounted 50, 100 or 200 Gallon Prover

Trailer Mounted 50, 100 or 200 Gallon Prover for Small Meters

  • General Fluid & Petroleum Product
  • Meter Calibration 20-200 GPM Flow Rates