Electrical connection
Nanomass Gas Density
22
Hauser
7.2
Connecting the measuring device
Improper connection can cause serious injury or death
‣
Have electrical connection work carried out by correspondingly trained specialists only.
‣
Observe applicable federal/national installation codes and regulations.
‣
Comply with local workplace safety regulations.
‣
If using in hazardous areas, observe the explosion protection documentation.
A0026017
Fig. 7:
Measuring device versions and connection versions
1
Connector for 4-20 mA
2
RS232 interface (optional)
3
USB port (optional)
4
Grounding clamp
5
Connector for supply voltage
6
Connector for pressure sensor (connected on delivery)
7.2.1
Connecting the supply voltage cable
The supply voltage can be connected via the supply voltage connection or in an area without
explosion hazards optionally via the USB port. If the supply voltage connection is to be used
for the supply voltage, perform the following steps:
1. Measuring device with USB port: make sure that the measuring device is disconnected
from the USB port.
2. If necessary, strip 10 mm (0.4 in) of the supply voltage cable and cable ends. In the case
of stranded cables, also fit ferrules.
3. Where applicable, connect the cable to the connector for supply voltage in accordance
4. Insert the connector into the supply voltage connection of the measuring device and
screw tight.
5. If using in hazardous areas: fit the USB protection cap and tighten securely.
WARNING
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3
5
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4
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