Particle Measuring Systems LASAIR II 550L User Manual

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

Particle Measuring Systems LASAIR II 550L Specifications

General

Brand	Particle Measuring Systems
Model	LASAIR II 550L
Category	Measuring Instruments
Language	English