The transmitter body enclosure must not be opened in an explosion
hazardous area, unless a safe work permit has been issued in accordance with
the standard IEC 60079-14. Either remove the transmitter from the hazardous
area before opening the enclosure, or ensure that an IEC 60079-14 compliant
safe work procedure has been implemented in the hazardous area.
CAUTION!
When connecting several devices at the same time, note that your
computer may not be able to supply enough power through its USB ports. Use
an externally powered USB hub that can supply >2 W for each port.
CAUTION!
mA
V
mA
V
CH1
CH2
A
Service Port
Use only in safe area
!
Do not remove this cover
Test Points
M12 (USB2)
M8 (219690)
Figure 55 Connecting to Insight: probe body and transmitter service port locations
1. If you want to configure the probe by itself:
a. Open the Insight PC software.
b. Connect the M12 USB cable (Vaisala item USB2) to a free USB port on the PC.
c. Detach the probe body from the transmitter: see Mounting (page 84) for an example.
The probe can be detached and changed when HMT370EX
is powered. Any other live maintenance, including changing the probe
head filter, is not allowed.
CAUTION!
d. Move the probe body to the space you are using to connect the probe to a computer.
e. Connect the M12 USB cable (Vaisala item USB2) to the service port of the probe.
f. Wait for Insight to detect the probe.
HMT370EX User Guide M212305EN-B
104
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