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Whenever you install a new measurement instrument, it must be calibrated to
ensure its accuracy. Additionally, whenever a specified run period has
elapsed on it, or it has been subjected to outside forces that may have
thrown it out of calibration—such as a significant shock, vibration or
weather changes—it must be calibrated to confirm and/or correct its
accuracy. There are Federal and local regulatory agencies that require these
types of instruments to be calibrated on a regular basis, with respect to
the instruments’ usage.
Generally speaking, a calibration is a process of adjusting the output or
indication on a measurement instrument to where it agrees with the value of
an applied standard, within a specified accuracy. More simply put, the
calibration process is the comparison of an unknown to a known and recording
the results.
Cooper Controls, Inc. performs various types of calibration services on a
wide range of instruments. We specialize in instrumentation that is
typically found in water/wastewater treatment plants, co-generation plants,
water remediation sites, industrial flow stations and processing plants.
The following is a list of some of the more common calibration methods used
by Cooper Controls, Inc.:
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Non-intrusive clamp-on flow testing, using “Transit
Time” or “Doppler” flowmeters
Volumetric flow tests
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Draw-down flow tests
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Open-channel flow simulation with a water column or
test stand
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Calibration standards for wet chemistry such as
buffer solutions, conductivity and Formazin Calibration Standards
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Specialty electronic calibrators for magnet flow
meter secondary electronics
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Pressure simulation using pressure pumps, deadweight
testers, manometers capable of simulating pressures from 10,000 psi to
.10” of H2O
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Digital multimeters, pulse generators, frequency
counters and current simulators
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Calibration gases
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RTD and thermo-couple simulators
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Decade boxes
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Graduated cylinders
Calibrations are performed using NIST traceable standards, and according to
manufacturer’s specifications.
All calibration reports are computer-generated and archived in our data
base. |
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