We are able to calibrate the following Vernon Morris products: 0 to 14 bar 3" Pressure Gauge 0 to 14 bar 4" Pressure Gauge 202 Flow Meter F012-P Flowmeter, Paddle Wheel 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