We are able to calibrate the following Refco products: 0-36 bar 67mm Pressure Gauge 0-54 bar 67mm Pressure Gauge 150mbar I4 Absolute Pressure Gauge 30 bar Pressure Gauge -30 in hg to 144 psi Vacuum/Pressure Gauge -30 in hg to 430 psi Vacuum/Pressure Gauge DV-150 Vacuum Gauge Ref-Meter Scales, Flatbed REF-METER 4665657 Scales, Flatbed VG-64 Digital Vacuum Gauge XK-1 Refrigerant Leak Detector 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