We are able to calibrate the following HT Instruments products: 0-16 bar 4 inch Pressure Gauge 0-160 bar 4 inch Pressure Gauge 0-400 bar 4 inch Pressure Gauge 0-60 bar 4 inch Pressure Gauge 0-600 bar 4 inch Pressure Gauge HT3301 Infra Red Thermometer 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