Brandt Instruments Distributing Testo 
Environmental Monitoring & Industrial Hygiene Instrumentation
Brandt Instruments Distributing Testo
Environmental Monitoring & Industrial Hygiene Instrumentation
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| The
testo 425
hot-wire thermal anemometer has a telescoping probe. It displays
air flow, volume flow (cfm) and temperature measurements. The volume flow
can be easily calculated by entering the duct measurements into the 425.
Users can also easily switch over to view the current temperature values. General Features:  Temperature,
flow and volume flow measurement
Multipoint and
timed mean point calculations
Hold button
to freeze readings
Clear backlit
display
Auto-off
Displays Min/Max
values
Probe extends
to a maximum 33 inches |
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|
|
| Sensor |
Thermal
hot-wire air velocity, NTC temperature |
| Measuring range |
0
to +4000 fpm, 0 to +20 m/s -4 to 160 °F, -20 to +70°C |
| Accuracy |
±6
fpm +5% of reading ±0.03 m/s +5% of reading ±0.9 °F (32 to +140 °F) ±1.3 °F (remaining range) |
| Resolution |
2
fpm, 0.01 m/s, 0.1 °F |
| Operating Temperature |
-4
to 122 °F, -20 to +50°C |
| Weight |
10
oz, 285 grams |
| Dimensions (LxWxH) |
7
x 2.5 x 1.6 inches, 182 x 64 x 40 mm |
| |
9
volt |
| |
20
hours, typical |
| Housing |
|
| Warranty |
2
Years |
|
|
| 0560
4251 |
425 Hot-wire anemometer, manual,
battery, calibration certificate |
| 400563
4251 |
425 Anemometer Kit: 0560 4251 Meter 0516 0210 Soft Carrying Case |
| 0516
0210 |
TopSafe
Clear Protective Case |
| 0516
0210 |
Soft
Carrying Case |
 |
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Brandt Instruments, Inc.
18568 Oak Grove Parkway
Prairieville, LA 70769
1-800-337-6291
Phone: 225-673-6776
Fax: 225-673-6725
Copyright © 2002-2012 Brandt Instruments, Inc.Notice: This publication is intended for general information only and should not be used as a substitute for reviewing applicable government regulations, equipment operating instructions, or legal standards. The information contained in this document should not be construed as legal advice or opinion nor as a final authority on legal or regulatory procedures. Brandt Instruments, Inc. reserves the right to make any changes to information, features, and specifications of any product without notice. Brandt Instruments, Inc. has made every effort to ensure the accuracy of information displayed on this web site, however, Brandt Instruments, Inc. is not responsible for typographical errors appearing on this web site. Price and availability information is subject to change without notice.
