User manual

AN310-EU-EN V1.2 1/13
10
Specifications
AirVelocity Ranges Resolution Accuracy
m/s(meterspersec) 0.2–30m/s 0.01m/s ±(1.5%rdg+0.3m/s)
fpm(feetperminute) 40–5900fpm 1fpm ±(1.5%rdg+59fpm)
RelativeHumidity Range Resolution Accuracy
RH 0.1%‐99.9%RH 0.1RH ±3%RH(10‐90%RH)
±5%RH(<10%or>90%)
AirFlow Ranges Resolution AreaRange
CMM(cubicmeters/min) 0‐99999m
3
/min
0.1upto9999.9
then1.0
0to99999cm
2

CFM(cubicft/min) 0‐99999ft
3
/min
0.1upto9999.9
then1.0
0to99999in
2

Temperature Ranges Resolution Accuracy
o
C/
o
F
AirandWetBulb:
‐20to60
o
C(‐4to140
o
F)
DewPoint:
‐5to60
o
C(23to140
o
F)
0.1
o
C/
o
F
±0.6°C(‐20to50°C)
±1.2°C(51to60°C)
±1.1°F(‐5to122°F)
±2.2°F(123to140°F)
Circuit CustomLSImicroprocessor
Display Dualfunction13mm(0.5")4‐digitLCD
Samplingrate 1readingpersecondapprox.
Airvelocity/flowsensor Conventionalangledvanearmswithlow‐frictionballbearing
Sensors  NTC‐typeprecisionthermistors
AutomaticPoweroff Autoshutoffafter20minutestopreservebatterylife
(sleepmode)
OperatingTemperature 0°Cto50°C(32°Fto122°F)
StorageTemperature ‐10to50
o
C(14to122
o
F)
OperatingHumidity <80%RH
StorageHumidity <90%RH
OperatingAltitude 2000meters(7000ft)maximum
BatteryPower Four(4)‘AAA’1.5Vbatteries
BatteryLife >40hours
Batteryconsumption 8.3mADC(approx.)
Weight 725g(1.6lbs.)includingbatteryandprobe
Dimensions Maininstrument:269x106x51mm(10.6x
4.2x2”)
 OptionalAirFlowAdaptors:
 Round:210mm(8.3”)Diameter
 Square:346x346mm(13.6x13.6”)