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What is Hysteresis
Error? |
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The lag in response
exhibited by a body in reacting to changes in forces, esp.
magnetic forces, affecting it. Hysteresis Error Refers to the
condition of repeatedly weighing the same object, but obtaining
different readings on the numeric readout. |
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What is Digit? |
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Digit is the smallest
increment of weight that the digital display resolves.
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What is Capacity? |
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The actual or
potential ability to perform, yield or withstand. The largest
weight the balance is capable of weighing. |
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What is the Low
Voltage Directive (LVD)? |
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Low Voltage Directive
(LVD) is applied to products, which operate above 50VAC to
1000VAC and 75VDC to 1500VDC operating voltage, and require
electrical safety measures to be introduced. |
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What is ISO? |
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The International
Organization for Standardization ISOis a worldwide federation of
national standards. |
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What is LED? |
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Light Emitting Diode
(LED) is one type of solid-state numeric readout device. Often
characterized by red or orange-red numbers. |
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What is IP-65 Rating? |
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The 6 means Dust
tight. No ingress of dust. The 5 means Protected against water
jets. Water projected by a nozzle against the enclosure from any
direction shall have no harmful effect. |
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What is Internal
resolution? |
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Internal resolution
is the smallest increment of the A/D converter. It is used by the
hardware and software designers. For a scale, the ratio between
internal and display resolution is about 4:1. For a balances, the
ratio can be 10:1. It is possible to use 1:1 ratio, but you will
see a lot of unstable readings by changing of 1 increment. Having
stable display is the main reason of the ratio. There are other
concerns, such as measurement speed and temperature
compensations. |
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What is Calibration
error? |
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Calibration
determine, check, or rectify the graduations of any instrument
giving quantitative measurements. Calibration is the comparison
between the output of a scale or balance against a standard
value. Calibration requires a standard weight and the balance to
be set in the "calibration mode." Calibration technically means
to determine the difference between the balance/scale readout and
the actual weight on the weighing platform to determine accuracy.
Adjustment means to bring a balance/scale into the state of
accuracy required for its use. Therefore calibration actually
means adjustment. Calibration error stand for the difference
between what a weight of near the full capacity of the instrument
reads on the digital display and its true mass. |
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