Particle Measuring Systems LASAIR II 310 - 4-20 mA Input Setup Values; Examples of Setup for Each Accessory

Appendix J: 4-20 mA Input and Output
Page J-2 Lasair II Particle Counter Operations Manual
4-20 mA Input Setup Values
Scale = Total range ÷ 16
Offset = Minimum value
Units = Unit of measure
Examples of Setup for Each Accessory
• Temperature
• Relative Humidity (R/H)
• Differential Air Pressure (DAP)
• Air Velocity
English Metric
Range 0–100°F -5 to 55°C
Scale 6.25 3.75
Offset 0-5
Units °F °C
Range 0–100 %
Scale 6.25
Offset 0
Units %
English Metric
Range 0–0.25inches of water 0–6.35mm of water
Scale 15.625 0.397
Offset 00
Units MIN (mili-inch) H
2
O mm H
2
O
English Metric
Range 0–200 Feet per Minute 0–1.016 meters per second
Scale 12.5 .0635
Offset 00
Units Feet per Minute Meters per Second