Specifications - Extech Instruments 451181 User Manual

Specifications

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
Temperature ( F and
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
32 to 122 F (0 to 50
90% Relative Humidity maximum
8.1 x 2.75 x 2.0" (208 x 70 x 53mm) / 9.2 oz. (260g) w/battery
Range and Resolution
60.0 to 6890 ft/min
0.4 to 25.0 m/sec
o
C) -4.0 to 144.0ºF (-20.0 to
o
60.0 C)
0.0 to 100.0%
0.0 to 9999.9 then 10000 to
99999
-7.6 to 158.0ºF (-22.0 to
o
70.0 C)
11
o
C)
±(3%rdg + 19.7ft/min)
±(3%rdg + 0.1m/s)
Accuracy
o o
1 F (1 C)
±3% (10 to 90%)
3%
Not specified
Model 451181 Version 2.3 04/06