TESTO 6721, Инструкция по эксплуатации

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testo 6721 - Commissioning
➊
Process connection, quick-release compressed-air fastener NW 7.2 or G 1/2" or
NPT 1/2" thread
➋
Cooling coil
➌
Preliminary filter
When using the preliminary filter, it must be ensured that there is
sufficient flow (1 l/min) in the measurement chamber by cleaning the
filter regularly.
➍
Measurement chamber (0554 3303).
➎
testo 6721 dew point monitor.
➏
Assembling the measurement chamber on the dew point monitor.
Only apply force at the hexagon (AF 27)!
Wiring the instrument
The testo 6721 is supplied with the right connector to which a cable can be
soldered by the customer. Alternatively, the 5 m accessories cable with the
pre-fabricated connector (0554 6720) can be used.
➣
Fabrication of connection cable by the customer:
Testo recommends an 8-wire line with a tightly plaited shield, wire cross-
section of 0.25 - 0.5 mm².
1
Remove top part of connector
➊
from bottom
part of connector
➋
(screw cap).
2
Open line fixture on top part of connector
(screw cap/union nut
➌
) and feed through
lines of connecting cable.