We are able to calibrate the following JLE products: 0 to 20 torr Vacuum Gauge (capsule) 0 to 25 mbar absolute Vacuum Gauge (capsule) 25 mbar absolute Vacuum Gauge (capsule) -25 to 0 Vacuum Gauge 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