| FAQ | ||||||
| A major new feature of Datadisc Pt is the ability to calculate as it records - effectively expanding your range of sensors and allowing "derived" results to be viewed straight away. | ||||||
| The possibilities are listed in the meter and may be selected for immediate metering. | ![]() |
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|
Derived Parameter |
Unit |
Derived from |
and… |
Xunit |
||
|
1 / Pressure |
Pa-1 |
Pressure (absolute) |
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|
Pressure (relative) |
User value (current atmospheric pressure) |
kPa |
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|
Absolute temperature |
K |
Temperature |
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|
Absorbance |
Transmission |
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|
Acceleration |
m s-2 |
Speed |
TIME |
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|
Altitude |
m |
Air Pressure |
User value (sea-level pressure) |
mBar |
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|
Barometer |
User value |
mBar |
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|
Pressure (absolute) |
User value (sea-level pressure) |
kPa |
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|
Angle |
rad |
Angular position |
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|
Angular acceleration |
rad s-2 |
Angular velocity |
TIME |
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|
Angular position |
rad |
Angular velocity |
TIME |
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|
Angular velocity |
rad s-1 |
Angular velocity (turns / s) |
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|
Average interval |
s |
Count rate |
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|
Beat period |
s |
Pulse rate |
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|
Beats |
[number] |
Pulse rate |
TIME |
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|
Charge |
C |
Current |
TIME |
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|
Conductance |
S |
Resistance |
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|
Current |
P D |
V |
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|
Conductivity |
S m-1 |
Conductance |
User value (cell constant) |
m-1 |
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|
Count |
[number] |
Count rate |
TIME |
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|
Current |
A |
P D |
User value (resistance) |
Ohm |
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|
Charge |
TIME |
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|
Current (RMS) |
A |
Current |
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|
Distance |
m |
Angular position |
User value (hole position on arm) |
[n] |
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|
Speed (perhaps itself derived as in table) |
TIME |
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|
Flow rate |
TIME |
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|
Energy |
J |
Power (itself derived as in table) |
TIME |
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|
Fahrenheit temperature |
°F |
Temperature |
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|
Impulse |
N s |
Force |
TIME |
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|
Interval |
s |
Count rate |
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|
IR energy |
J m-2 |
IR irradiance |
TIME |
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|
Kinetic Energy |
J |
Speed (perhaps itself derived as in table) |
User value (mass) |
g |
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|
Momentum |
N s |
Speed (perhaps itself derived as in table) |
User value (mass) |
g |
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|
Offset volume |
cm3 |
Volume |
User value (the offset value) |
cm3 |
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|
P D |
V |
Current |
User value (resistance) |
Ohm |
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|
P D (RMS) |
V |
P D |
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|
Power |
W |
P D |
Current |
A |
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|
Current |
User value (resistance) |
Ohm |
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|
P D |
User value (resistance) |
Ohm |
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|
Power (mean) |
W |
P D |
Current |
A |
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|
Pressure (Bar) |
Bar |
Pressure (abs) |
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|
Resistance |
Ohm |
Conductance |
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|
P D |
Current |
A |
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|
Speed |
m s-1 |
Acceleration |
TIME |
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|
Displacement |
TIME |
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|
Transmission |
% |
Absorbance |
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|
UV energy |
J m-2 |
UV irradiance |
TIME |
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|
Visible irradiance |
W m-2 |
Light level |
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| FAQ |