3. Specifications
Circuit
based on fast and high accurate MCU
design
Display
55mm Hi-Contrast LCD with Backlight
Sampling time
1 time per second
Temperature measuring
High accuracy NTC resistance
Temperature range
-30
Ԩ
̚
60
Ԩ
/ -22
Ԭ
̚
140
Ԭ
Temperature accuracy
±1.5
Ԩ
/±2.7
Ԭ
Air velocity range
0.3m/s
̚
45m/s
Operation Temperature
-10
Ԩ
̚
60
Ԩ
/14
Ԭ
̚
140
Ԭ
Operating Humidity
≤
90
ˁ
RH
˄
Non-condensation
˅
Storage Temperature
-10
Ԩ
̚
60
Ԩ
/14
Ԭ
̚
140
Ԭ
Air velocity level
indication
level 1-12 by analog bar-graph, level 12
above by digits
Air Velocity accuracy
±3% ±0.1
Measurement average
30 points average for air flow
Maximum / Minimum
MAX/MIN
Reading freezing
Hold
Area set
0.001
̚
9999
˄
0.001
̚
9999ft²)
Pow er Supply
1x 9V battery with type of 006P
ǃ
NEDA1604 or IEC6F22
Auto power off
After approx..15 minutes of inactivity
Resolution
m/s:0.01
ǃ
km/h:0.1
ǃ
ft/min:1
ǃ
knots:0.1
mph:0.1
ǃ
cmm:0.001
ǃ
cfm:0.001
Dimension(L*W *H)
185 x 66 x 33mm
W eight
311g
2
Содержание ET-955
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