PAGE 6
Connections with Sampling Bulb
This diagram shows connections for
use with the ‘bulb’ as sampling pump.
© HFT
®
METHODS of USE
As mentioned above, the PurgEye
®
100 ‘IP65’ can be used with
a bulb as a sampling pump or connections for free ow.
In the case of free ow, always ensure that there is a minimum of
at least 6" (150 mm) in length of polyurethane tube connected to
the other pipe connector (see lower picture).
Connections with Bulb Pump
Sample Probe
Sensor Cover
Bulb Pump
One piece leak tight probe and tube
assembly for sampling purge gas
through weld root (included).
Sensor cover.
Connections for Free Flow
150 mm (6")
tail pipe
(included).
Tube to weld purge system.
Use this layout for zero calibration
with 1 L/min ow rate of 99.99%
argon gas.
© HFT
®