7
3
2
5
8
Warnings and cautions
Air routine
Pneumatic High Pressure Test Pump User Manual's
[Version number:1305V01]
Troubleshooting
Configuration & Size
ADT920
1
2
5
87
9
3 4
6
1 1/4" NPT plug-
8 - Release valve
clockwise to close/Counter clockwise to release pressure）（
7 - Isolation valve
isolates the calibration from the pump and one way valve）（
2 - Pressure lever
5 - Fine adjust handle
（Turn Clockwise to increase pressure）
4 - Pressure/Vacuum switch protector
3 - Pressure/vacuum selector switch
（Out position to generate pressure / In position to generate
vacuum）Do NOT switch while unit is under any pressure
9 - Vent hole
6 - Maintenance cleaning hole
17.12 ''
2'1.26'
54
10.63''
5.50''
19.92''
10 - Sealing Ring（located under each 1/4" NPT plug (1)）
Be careful when attaching low pressure/small chamber gauges to pump. It is easy
to overpressure these types of gauges.
Do NOT exceed the safety pressure limit ( 3500 psi / 235 Bar ).
Compressed air can be dangerous in an explosive or dirty environment.
Do NOT switch the pressure/vacuum selector switch to vacuum while pump is
under pressure. Make sure you have released pressure from BOTH the "Release
Valve" as well as the "Isolation Valve" before switching to vacuum.
Do NOT over tighten connectors or you may cause damage.
Pump should be stored in a dry/clean environment.
Safety issues or damage caused by incorrect operation is not the responsibility
of the manufacturer.
Do NOT hold pressure above 1000 psi for more than 4 hours.
Specification
Pressure range:
Temperature:
Humidity:
Fine adjust:
Overpressure Safety Limit:
Pressure media:
Weight:
14 ( 0.95 bar ) vacuum to 3000 psi ( 200 bar )
( Based on an atmospheric pressure of 1 bar )
℃/
(
psi ( 235 bar )
，
0to50 32to122F
< 85%RH
0.001psi 0.1mbar 10 Pa )
3500
Air
14.4 lbs ( 6.5 kg )
Remark：If local atmosphere pressure is 1 bar, the vacuum can reach to -0.95 bar;
If local atmosphere pressure is P, the vacuum can reach to - 0.95P bar.
Problems
Causes
Solutions
Hard to use pressure lever
Can't pressurize
Hard to use fine adjust
Not easy to turn fittings
The isolation valve is not open
B. The sealing ring is broken or loose
D. Internal tubing is dirty.
B. Gauge is not tight.
D. The thread type is not correct
A. Turned too tight last time.
C. The threads have no lubrication
.
.
.
.
A. Release valve is not closed.
C. P/V switch is in wrong position
A. Isolation valve is not closed
C. The is aged or frayed.
E. Air route is blocked/dirty
B. New pump.
.
.
sealing ring
.
D. The thread type is not correct.
Open the isolation valve
Replace sealing ring
Disassemble and clean (Request diagram).
Tighten the reference gauge and / or the gauge under test
Use the appropriate thread type or adaptor.
Do Not over tighten.Finger tight is good.
Lubricate the thread
.
.
.
.
Close the release valve.
Pressure Pull out PV switch Vacuum Push in PV switch
Close isolation valve
Pressurize to high pressure and release pressure quickly via the release valve
Pump will abrade with a few uses.
:;:.
.
Replace sealing ring.
.
Use appropriate thread type or adaptor.
Remark: A Additel has made a concerted effort to provide complete and current information for the proper use of the equipment. The product
specifications and other information contained this manual are subject to change without notice.
B
:
: Above pictures are just for reference.
A
Basic Operation
Connection
D
B
C
Pre-pressure
Increase pressure process Decrease pressure process
E F
G
Prepare for vacuum
Vacuum process
Decrease vacuum process
Additel Corporation
22865 Savi Ranch Parkway, Ste F, Yorba Linda, CA 92887
www additel com..
SW V mA COM 24VSW V mA COM 24V
SW V mA COM 24VSW V mA COM 24V
dial gauge
pressure switch pressure transmitter
flexible hose
k
Pressure GaugePressure Gauge
DIGITAL PRESSURE CALIBRATOR
Units
A
0255075100
Zeroing should be operated under this condition only.
open
2
turn it in the mid-position
4
select the pressure mode
1
DIGITAL PRESSURE CALIBRATOR
Units
A
0255075100
Pressure GaugePressure
Gauge
DIGITAL PRESSURE CALIBRATOR
Units
A
0255075100
0
Pressure GaugePressure
Gauge
3
Fine adjust
4
close
1
2
Increase pressure
to the desired value
close (for precision
measure)
DIGITAL PRESSURE CALIBRATOR
Units
A
0 25 50 75 100
Pressure GaugePressure
Gauge
2
1
Open it slowly to get the
desired value, and close!
Fine adjust
open
3
Open to atmosphere before operation
!
0
0.02
0.04
0.06
008
.
008
.
-0.1
MPa
V
acuum
G
auge
Vacuum
Gauge
DIGITAL PRESSURE CALIBRATOR
Units
A
0255075100
3
5
close
operate it to get the desired value
open
4
1
2
open
Push in, select the
vacuum mode
DIGITAL PRESSURE CALIBRATOR
Units
A
0255075100
0
0.02
0.04
0.06
008
.
008
.
-0.1
MPa
V
acuum
G
auge
Vacuum
Gauge
3
1
vacuum-pumping
to the desired value
Fine adjust
2
close (for precision
measure)
0
0.02
0.04
0.06
008
.
008
.
-0.1
MPa
V
acuum
G
auge
Vacuum
Gauge
DIGITAL PRESSURE CALIBRATOR
Units
A
0 25 50 75 100
1
Open it slowly to get the
desired value, and close!
2
Fine adjust
-
1
-
2
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