Extech Instruments 451181, Руководство пользователя

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Model 451181 Version 3.0 07/06 11
Specifications
General Specifications
Display Backlit Multi-function LCD
Datalogger memory 2400 readings in Auto mode (99 readings in Manual mode)
Over range indication "-------" appears on the LCD
Printer 38mm printer includes Data/Time Stamp with each reading
PC Interface RS-232C (TTL level)
PC Software Windows 95/98/NT/2000/ME/XP software included
Low battery indication Battery symbol appears on the LCD
Power supply Four (4) 1.5V ‘AA” batteries or optional 6V (1000mA) adapter
Operating current 500mA (printing)
Auto Power OFF Adjustable form 1 to 20 minutes
Operating Temperature 32 to 122
o
F (0 to 50
o
C)
Operating Humidity 90% Relative Humidity maximum
Dimensions/Weight 8.1 x 2.75 x 2.0” (208 x 70 x 53mm) / 9.2 oz. (260g) w/battery
Range Specifications
Measurement type Range Resolution Accuracy
Air Velocity * 60.0 to 5000 ft/min
0.4 to 25.0 m/sec
0.8 to 50 knots
1.5 to 90 km/hr
0.9 to 56 mph 0.1 ft/min
0.1 m/sec
0.1 knots
0.1 km/hr
0.1 mph
±(3%rdg + 19.7ft/min)
±(3%rdg + 0.1m/s)
±(3%rdg + 0.2knots)
±(3%rdg + 0.4km/hr)
±(3%rdg + 0.2mph)
Temperature (
o
F &
o
C) -4.0 to 144.0ºF
(-20.0 to 60.0
o
C)
0.1
o
F
0.1
o
C
±2
o
F (1
o
C)
Relative Humidity (RH) 0.0 to 100.0% 0.1% ±3% (10 to 90%)
Air Volume (CFM / CMM) 0.0 to 9999.9 then
10000 to 99999 0.1CFM/CMM
1CFM/CMM
±3%
Wet Bulb Temperature
(WBT) -7.6 to 158.0ºF
(-22.0 to 70.0
o
C)
0.1
o
F
0.1
o
C
Not specified
* Air Velocity Units
•
FPM (feet per minute)
•
KNT (knots)
•
KMH (kilometer per hour)
•
MPH (miles per hour)
•
MPS (meters per second)
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