Specifications - Extech Instruments 451181 User Manual

Specifications

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