Model
|
6531
|
6541
|
6561
|
6542
|
6551
|
6552
|
6533
|
6543
|
Air Velocity
|
Range |
20 to 6000 fpm
(0.01 to 30.0 m/s)
20 to 9840 fpm (0.01 to 50.0 m/s) *Model
6561 only
|
10 to 1000 fpm
(0.05 to 5.00 m/s) |
Accuracy |
+/- 2% of
reading or 0.015 m/s whichever is greater
|
Temperature
|
Range
|
-4 to 158
°F
(-20 to 70
°C
)
|
n/a
|
-4 to 158
°F
(-20 to 70
°C
) |
Accuracy
|
+/- 1°F (+/-
0.5°C) |
n/a |
+/- 1°F (+/-
0.5°C) |
Relative
Humidity
|
Range |
2 to 98 %RH
(Model A531, A533)
|
Accuracy |
+/- 2 %RH
|
Differential
Pressure (Option)
|
Range |
-5.00 to +5.00
kPa
|
Accuracy |
+/- (3% of
reading +0.01) kPa
|
Output
|
Digital
|
USB
|
Analog
|
DC 0 to 1 V
(Option)
|
Datalogging
|
Stores up to
20000 measurement data
|
Power
Supply
|
6 x AA Batteries
/ AC Adapter (100 to 240
V)
|
Weight
|
0.9 lbs (400 g)
|
Standard
Accessories |
Carrying
Case, Operation Manual, AA Batteries, 2m
Probe Cable, NIST Certificate
|
Option |
Spare
Probes, Analog Output, Pressure Sensor,
Extention Rod Printer, Printer
Cable, PC Communcation Cable, Windows
Software, AC Adapter
|