$2,070.00 + Freight & GST
Use the testo 420 differential pressure measuring instrument to carry out simple, efficient tests on filters. You can also use the measuring instrument in conjunction with a Pitot tube to measure flow velocity and volume flow really easily in ventilation ducts.
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Technical Data
| Measuring range |
+0.1 to +14 m/s
-120 to +120 Pa
|
|---|---|
| Accuracy |
±2 % of mv + 0.5 Pa at +22 °C, 1013 hPa
|
| Resolution |
0.01 m/s
0.001 Pa
|
| Reaction time |
1 s (t₉₀)
|
| Measuring range |
700 to 1100 hPa
|
|---|---|
| Accuracy |
±3 hPa
|
| Resolution |
0.1 hPa
|
| Reaction time |
1 s
|
| Dimensions |
150 x 85 x 35 mm
|
|---|---|
| Operating temperature |
-5 to +50 °C
|
| EU-/EG-guidelines |
EU-guideline 2014/30/EU
|
| Battery type |
Alkali manganese, mignon, type AA
|
| Battery life |
40 h
|
| Display size |
3.5″
|
| Display function |
Dot matrix
|
| Display ligthing |
with illumination
|
| Interface |
Micro-USB
|
| Memory |
2 GB (internal)
|
| Storage temperature |
-20 to +60 °C
|
