TESTO 400 - Product-Specific Approvals; Contact and Support

10 Technical data
20
Characteristics Measuring range Accuracy
Resolutio
n
Differential
pressure
2
-100 to +200 hPa
±(0.3 Pa + 1% of m.v.)
(0 to 25 hPa)
±(0.1 hPa + 1.5 % of m.v.)
(25.001 to 200 hPa)
0.001 hPa
Absolute
pressure
+700 to +1100 hPa
±3 hPa
0.1 hPa
1
The accuracy information applies in an adjusted, stable temperature state.
Plugging in the mains unit, charging the battery or adding digital probes can
distort this temporarily, and additional errors may occur.
2
The accuracy specification applies immediately after zeroing of the sensor. For
long-term measurements, mains operation with fully-charged battery is
recommended.
10.1 Product-specific approvals
Please find the current approvals in the attached Approval and Certification
document(s).
10.2 Contact and support
If you have any questions or need further information, please contact your
dealer or Testo Customer Service. For contact details, please visit
www.testo.com/service-contact.