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14
User Guide
GASSING
VALVE
GAS
BUFFER
Packaging Machine
"Buffer" version
The "Buffer "versions can measure the O
tank. Doing this before start up ensures that the gas is OK before you start to pack the
product.
A hose is connected from the buffer tank to the "Buffer Gas Inlet" on the device. Please note
that the device will not be able to perform a proper measurement unless the pressure in the
buffer tank is within a certain range - see
details.
During a buffer measurement the device uses a normal sensor flow (75 ml/min).
The longer hose that is used and the higher pressure the longer it will take to get the correct
gas to the sensors. Therefore make the hose as short as possible. Do a test measurement to
find out how long time it takes for the gas to reach the sensor. Then ensure that the buffer
measure time is long enough.
No vacuum in the packaging machine
The Dansensor® MAP Check 3 Vacuum can be used even if there is no vacuum connected
inside the die of the packaging machine. To use the device in this way connect the evacuation
and gas signals so that the device gets the signals at the same time.
P/N 320598-G
11/2019
P3
BUFFER GAS
INLET
CAL. GAS
INLET
AIR INLET
DIE
SAMPLE GAS
INLET
EVACUATION
VALVE
VACUUM
VACUUM
EN
Dansensor
PROPORTIONAL
VALVE
V5
V2
SAMPLE
V1
LOOP
O
2
sensor
(Zr)
sample
boost
Fig. 5.
and CO
levels in the packaging machines buffer
2
2
"7. Technical Information" on page 83
MAP Check 3 Vacuum
®
P2
P1
V6
V3
CO
2
sensor
(IR)
75
5 l/min
ml/min
@
V4
sample
boost
for further
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