10.11 Ambient conditions
Article number 7MH4138-6BA00-0CU0
Operating conditions in accordance with IEC 60721
● Operation
IEC60721-3-3:
Class 3K3, stationary use, weather-proofed
● Storage/transport
IEC 60721-3-2
Class 2K4 without precipitation
Ambient conditions
Ambient temperature in operation
● Horizontal mounting, min.
-30 °C
1)2)
● Horizontal mounting, max.
+60 °C
1)2)
● Vertical mounting, min.
-30 °C
1)2)
● Vertical mounting, max.
+50 °C
1)2)
● Legal-for-trade operation, min.
-10 °C
● Legal-for-trade operation, max.
+40 °C
Storage and transport temperature -40 ... +70 °C
Relative humidity 5 ... 95%
No condensation; corresponds to relative humidity (RH)
stress level 2 to DIN IEC 61131-2
Contaminant concentration SO
2
: < 0.5 ppm
H
2
S: < 0.1 ppm;
Air pressure Operation IEC 60068-2-13
1,080 ... 533 hPa (-1 000 ... +5,000 m above sea level)
1)
1)
At a height of more than 2000 meters above sea level, reduce the ambient temperature by -1 °C per 100 m. The maximum
permissible height is 5000 meters above sea level.
2)
With a total current ≥ 0.6 A of the digital outputs DQ, reduce the ambient temperature by -1 °C per 100 mA. The maximum
permissible total current is 1.5 A.
10.12 Certificates and approvals
The approvals are available online at Certificates (https://support.industry.siemens.com/cs/ww/
en/ps/7MH4138-6BA00-0CU0/cert).
When using the electronic weighing system in a hazardous area, observe the ATEX/IECx
special conditions for use (Page 17).
Note
The current approvals for your device can be found on the nameplate.
Technical data
10.12 Certificates and approvals
Technology module TM SIWAREX WP351 HF
Operating Instructions, 01/2020, A5E47521010-AA 157