Major tech MT948 Gebruiksaanwijzing - Pagina 7
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Specifications
Air Velocity
m/s (meters per sec)
km/h (kilometers/hour)
ft/min (feet per minute)
mph (miles per hour)
knots (nautical MPH)
Air Flow
CMM (cubic meters/min)
CFM (cubic ft/min)
Air Temperature
Circuit
Display
Sampling rate
Sensors
Automatic Power off
Operating Temperature
Storage Temperature
Operating Humidity
Storage Humidity
Operating Altitude
Battery
Battery life
Battery Current
Weight
Dimensions
Range
0.40 - 30.00 m/s
1.4 - 108.0 km/h
80 – 5900 ft/min
0.9 – 67.0 mph
0.8 to 58.0 knots
Range
3
0-999900 m
/min
3
0-999900 ft
/min
Range
o
14 - 140
F (-10 - 60
Custom LSI microprocessor circuit
Dual function 0.7" (16 mm) 4-digit LCD
1 reading per second approx.
Air velocity/flow sensor: Conventional angled vane arms with
low-friction ball bearing
Temperature sensor: NTC -type precision thermistor
Auto shut off after 20 minutes to preserve battery life
32 to 122°F (0 to 50°C)
o
14 to 140
F (-10 to 60
<80% RH
<80% RH
2000 meters (7000ft) maximum
One 9 volt (NEDA 1604) battery
80 hours approx. (if the Backlight is used continuously, battery
life will be reduced significantly)
8.3 mA DC approx.
1.6 lbs. (725g) including battery & probe
Main instrument: 203 x 75 x 50mm
Sensor Head: 2.75" (70mm) Diameter
7
Resolution
0.01 m/s
0.1 km/h
1 ft/min
0.1 mph
0.1 knots
Resolution
0.001 to 100
0.001 to 100
Resolution
o
o
C)
0.1
F/C
o
C)
Accuracy
± (3% + 0.20 m/s)
± (3% + 0.8 km/hr)
± (3% + 40 ft/m)
± (3% + 0.4 MPH)
± (3% + 0.4 knots)
Area
2
0 .000 to 999.9m
2
0.000 to 999.9ft
Accuracy
o
o
4.0
F (2.0
C)