Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1984-10-16
1986-10-28
Myracle, Jerry W.
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
G01L 2700
Patent
active
046191356
ABSTRACT:
Calibration apparatus includes a fluid pressure system comprising a first gauge, a regulator and a second gauge in series. The calibration system is positioned in the general vicinity of one or more environment control system components to be calibrated, and the calibration fluid pressure system is connected in series in the control line between the thermostat, for example, and the components to be calibrated. The first gauge, toward the thermostat, monitors the fluid pressure provided in the control line from the thermostat and the second gauge, toward the components to be calibrated, monitors the fluid pressure provided to the components during the calibration process. The regulator may be adjusted to achieve selected pressures applied to the components which may then be adjusted to actuate at the desired pressures. The calibration apparatus may include an electrical detecting circuit for connecting to electric switches of such components to determine when said switches are open and closed so that actuation of the switches may be adjusted to occur at selected pressures applied to the components.
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