Pressure Source and Milliamp Measurement to calibrate and maintain almost any pressure device Switch test feature for quicker and more accurate pressure switch testing New 1 and 300 PSI pressure ranges mean fewer extra tools required 1, 30, 100 & 300 PSI ranges now available Integrated pump is easily cleaned when accidently exposed to fluids that reduces cost of ownership and repairs and enables servicing the pump in the field Error % calculation for quicker pass/fail decision making in the field Best in class mA accuracy of 0.015 % for better measurement confidence and workload coverage Min/Max/Hold to capture changing measurements