High-Precision Air - Gas Velocity Transmitter

Measuring value

Air velocity

Working range

0... 2m/s (0...400ft/min)
0...10m/s (0...2000ft/min)
0...40m/s (0...8000ft/min)

Accuracy in air at 25^oC (77^of) 1) at 45% RH and 1013hPa

0... 2m/s (0...400ft/min) + (0.05m/s /10ft/min + 0.5 % of measuring value)
0...10m/s (0...2000ft/min) + (0.10m/s /20ft/min + 2 % of measuring value)
0...40m/s (0...8000ft/min) + (0.20m/s /40ft/min + 2 % of measuring value)

Temperature dependence of electronics

v: typ. -0.005 % of measuring value / ^oC
T: typ. -0.01^oC / ^oCs

Dependence

of Angle of Inflow : < 3% for α < 20^o
of Direction of Inflow : < 3%

Response time τ902)

< 1.5...40s (configurable)

Temperature

Working range

Probe:-40...120^oC (-40...248^oF)
Probe Cable: -40...105^oC (-40...221^oF)
Electronic: -40...60^oC (-40...140^oF)
Electronic With Display: -30...60^oC (-22...140^oF)

Accuracy at 20^oC (68^oF)

+0.5^oC (+0.9^oF)

Response time τ902)

10s

Outputs

output signals and display ranges are freely scaleable (see ranges below)

voltage

0-10V (e.g: 0-5V, 1-5V etc.) -1mA < IL < 1mA

current (3-wire)

0-20mA (e.g: 4-20mA etc.)RL< 350 Ohm

v-scaling

0...2 / 10 / 40m/s (0...400 / 2000 / 8000ft/min)

T-scaling

-40...120^oC (-40...248^oF)

Vol-scaling

0...1000m³/h (0...588 ft³/min)

General

Supply voltage

24V DC/AC + 20%

Current consumption

max. 100mA; max. 160mA (with display)

Connection

screw terminals max. 1.5mm2 (AWG 16)

Electromagnetic compatibility

EN 61000-6-3 ICES-003 Class B
EN 61000-6-2 FCC Part15 Class B

Pressure range

Model E and P pressure tight up to 10 bar (145psi)

Material

Housing / Protection Class : metal (AlSi3Cu) / IP65
Measuring Probe : stainless steel
Measuring Head : PBT (polybuthylenterephthalat)

System requirements for configuration software

Windows 2000 or Windows XP

Interface

USB1.1