We are able to calibrate the following Buchanan products: 0 to 50 psi 4.5" Pressure Gauge 0-400 psi 200mm Pressure Gauge 0-50 psi 100mm Pressure Gauge -1 bar 6" Vacuum Gauge Thermometer Analogue Thermometer, Analogue 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