AN310-en-GB_V1.5 11/15
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”)
Vane
inner
diameter:
100mm
/
3.94
inches
Optional
Air
Flow
Adaptors:
Round:
210mm
(8.3”)
Diameter
Square:
346
x
346mm
(13.6
x
13.6”)