Page Page J-2 J-2 LASAIR LASAIR II II Operator’s Operator’s ManualManual
Appendix J: 4-20 mA Input and OutputAppendix J: 4-20 mA Input and Output
4-20 4-20 mA Input Setup ValuesmA Input Setup Values
Scale = Total rangeScale = Total range ÷÷1616
Offset = Minimum valueOffset = Minimum value
Units = Unit of measureUnits = Unit of measure
Examples of Setup for Each Examples of Setup for Each AccessoryAccessory
••
TemperatureTemperature
••
Relative Humidity (R/H)Relative Humidity (R/H)
•• Differential Air Pressure (DAP)Differential Air Pressure (DAP)
•• Air VelocityAir Velocity
EEnngglliisshh MMeettrriicc
RangeRange 0–1000–100°° FF --5 5 tto o 5555°° CC
ScaleScale 66..2255 33..7755
OffsetOffset 00 -5-5
UnitsUnits °°
FF
°°
CC
RangeRange
0–1000–100
%%
ScaleScale 6.256.25
OffsetOffset 00
UnitsUnits %%
EEnngglliisshh MMeettrriicc
RangeRange 0–0–0.0.25in25inchches oes of waf wateterr 0–0–6.6.35mm o35mm of waf wateterr
ScaleScale 1155..662255 00..339977
OffsetOffset
00 00
UnitsUnits MIN (mili-inch) HMIN (mili-inch) H
22
OO mmm m HH
22
OO
EEnngglliisshh MMeettrriicc
RangeRange
0–20–200 00 FeeFeet pt per er MinMinuteute 0–10–1.01.016 m6 meteeters rs per per secsecondond
ScaleScale
1122..55 ..00663355
OffsetOffset 00 00
UnitsUnits
FFeeeet t ppeer r MMiinnuuttee MMeetteerrs s ppeer r SSeeccoonndd