Technel Engineering features the DH-Budenberg line of dead weight testers and pressure balances. These units represent the best in uncertainty specifications for a wide range of operating pressures. Pneumatic, hydraulic and differential testers are available from 1500 to 70000 psi. The total measurement uncertainty is as low as 60 ppm of reading to provide the best in pressure calibration. These compact units are also portable for the ultimate in flexibility for laboratory or field calibration applications.