AN340-EU-EN V1.3 4/13
14
Specifications
AirVelocity Ranges Resolution Accuracy
m/s(meterspersec) 0.5–20m/s 0.1m/s ±(3%rdg+0.2m/s)
fpm(feetperminute) 98–3937fpm 1fpm ±(3%rdg+39fpm)
RelativeHumidity Range Resolution Accuracy
RH 0.1%‐99.9%RH 0.1RH ±3%RH(10‐90%RH)
±5%RH(<10%or>90%)
AirFlow Ranges Resolution AreaRange
CMM(cubicmeters/min) 0‐99999m
3
/min
0.1upto9999.9
then1.0
0to99999cm
2
CFM(cubicft/min) 0‐99999ft
3
/min
0.1upto9999.9
then1.0
0to99999in
2
Temperature Ranges Resolution Accuracy
o
C/
o
F
Airtemperature:
‐20to60
o
C(‐4to140
o
F)
WetBulbtemperature:
‐20to70
o
C(‐4to158
o
F)
DewPointtemperature:
‐20to60
o
C(‐4to140
o
F)
0.1
o
C/
o
F
±0.6°C(0to50°C)
±1.2°C(below0°C,
above50°C)
±1.1°F(32to122°F)
±2.2°F(below32°F,
above122°F)
Circuit CustomLSImicroprocessor
Display Dualfunction32.5(H)x54(W)mm(1.3x2.1”)LCD
Samplingrate 1readingpersecondapprox.
Airvelocity/flowsensor Angledmini‐vanearmswithlow‐frictionballbearing
Sensors NTC‐typeprecisionthermistors
AutomaticPoweroff Autoshutoffafter20minutes
topreservebatterylife(sleepmode)
OperatingTemperature 0°Cto50°C(32°Fto122°F)
StorageTemperature ‐20to50
o
C(‐4to122
o
F)
OperatingHumidity <80%RH
StorageHumidity <90%RH
OperatingAltitude 2000meters(7000ft)maximum
BatteryPower Six(6)‘AAA’1.5Vbatteries
BatteryLife >40hours
Batteryconsumption 14mADC(approx.)
Weight 210g(0.5lbs.)includingbatteries
Dimensions MaininstrumentLxWxH:169x78.3x
44mm(6.6x3.1x1.7”)
Sensordiameter:18mm(0.7”);Telescopingwandextends1m(39”).
