We are able to calibrate the following 3D Instruments products: 0 to 200 bar Pressure Gauge 0-3000 psi 4½" Pressure Gauge 0-60 psi 4½" Pressure Gauge 0-600 psi Test Gauge 10" 500 Psi Standard Test Gauge 3" 3000 Psi Pressure Test Gauge -30 in hg to 150 psi Test Gauge -30 in hg to 300 psi Test Gauge Accu Cal Plus Pressure Gauge, Digital Please call us on +44(0)1159 003550 or email calibration@hydrotechnik.co.uk to discuss your requirements. Search for manufacturers of other instruments we can calibrate