
Watlow EZ-ZONE
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RMS Module • 100 • Chapter 6 Features
Process Value
Maximum
Process Value
Square Root
Process Value
Vaisala RH
Compensation
Process Value
Pressure to
Altitude
Output Value = Filter [Convert Source A in Pressure to
Altitude + Offset]
Note: Pressure Altitude calculation is based on the
International Standard Atmosphere 1976. Source A is a
pressure signal and needs to be in PSI units for the
calculation. The calculation is accurate from sea level to
90,000 feet. The standard is based on an altitude of 0 feet
(sea level) pressure of 14.6967 PSI and a temperature of 59
degrees F. Result of calculation is in feet.
Output Value =
Display units follows Source A
Filter [Sqr Root A + Offset]
Source Function A
Source Instance A
Source Error A
Source Function B
Source Instance B
Source Zone B
Source Error B
Source Function C
Source Instance C
Source Zone C
Source Error C
Source Function D
Source Instance D
Source Zone D
Source Error D
Source Function E
Source Instance E
Source Zone E
Source Error E
Source Function A
Source Instance A
Source Error A
Source Function B
Source Instance B
Source Zone B
Source Error B
Source Function C
Source Instance C
Source Zone C
Source Error C
Source Function D
Source Instance D
Source Zone D
Source Error D
Source Function E
Source Instance E
Source Zone E
Source Error E
Source Function A
Source Instance A
Source Error A
Source Function B
Source Instance B
Source Zone B
Source Error B
Source Function C
Source Instance C
Source Zone C
Source Error C
Source Function D
Source Instance D
Source Zone D
Source Error D
Source Function E
Source Instance E
Source Zone E
Source Error E
Source Function A
Source Instance A
Source Error A
Source Function B
Source Instance B
Source Zone B
Source Error B
Source Function C
Source Instance C
Source Zone C
Source Error C
Source Function D
Source Instance D
Source Zone D
Source Error D
Source Function E
Source Instance E
Source Zone E
Source Error E
Source AValue
Source BValue
Source CValue
Source DValue
Source EValue
Output Value
Error
Source AValue
Source BValue
Source CValue
Source DValue
Source EValue
Output Value
Error
Source AValue
Source BValue
Source CValue
Source DValue
Source EValue
Output Value
Error
Source AValue
Source BValue
Source CValue
Source DValue
Source EValue
Output Value
Error
Pressure Units
Altitude Units
Barometric Pressure
Cross Over Point
Cross Over Band
Function
Filter
Offset
Pressure Units
Pressure Units
Pressure Units
Altitude Units
Altitude Units
Altitude Units
Barometric Pressure
Barometric Pressure
Barometric Pressure
Cross Over Point
Cross Over Point
Cross Over Point
Cross Over Band
Cross Over Band
Cross Over Band
Function
Function
Function
Filter
Filter
Filter
Offset
Offset
Offset
Output Value = Filter [Maximum Value (A : B : C : D) +
Offset]
Display units follows Source with maximum value.
Output Value = Filter [Calculated RH compensated
for temperature + Offset].
Note: Source A is RH measured value from an
uncompensated Vaisala RH sensor. Source B is
temperature of the RH sensor in degrees F. The result
is a "corrected" RH measured value. This calculation
is effective over the temperature range of -75F to
350F.
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