Additel ADT 919 Operating Manual
Warnings and cautions
Avoid possible damage when suddenly apply pressure to low pressure and small
chamber gauges.
Do not exceed the safety pressure limit（2600 psi）.
Compressed air may cause problem in explosive or corruptive environment.
Do not shift the selector to vacuum mode under pressure.
Do not over tighten connectors to avoid any damage.
The pump could store in the dry and non-corruptive environment.
Any safety problems or damages caused by incorrect operation, are beyond
Additel's responsibility.
Specification
Pressure range: 14 psi ( 0.95 bar ) vacuum to
2000 psi ( 140 bar ) positive pressure
Temperature: （0~50）℃
Humidity: < 85%RH
Adjusting fineness: 10Pa ( 0.1 mbar )
ADT919
Pneumatic High Pressure Test Pump User's Manual
[Version number:1103V10]
Safety pressure: < 2600 psi ( 180 bar )
Pressure media: Air
Weight: 16.4 lb ( 7.4 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.
Air routine
7
3
2
5
8
Configuration & Size
1
8 7
9
Troubleshooting
Problems
2
3 4
2 - Pressure lever
3 - Pressure/vacuum selector
（Pressure: pull it out; Vacuum: push it in.Do not shift
1 - 1/4 NPT connector
under pressure）
4 - Selector-protector
5 - Fine adjust handles
（clockwise to increase pressure）
54°
19.92''
6 - Clean-out hole
6
5
7 - Isolating valve
（isolate the calibration from pressurizing system）
8 - Release valve
（clockwise to close/ anticlockwise to open）
17.12''
21.26''
10.63''
7.00''
9 - Vent hole
Causes
Solutions
Hard to use pressure lever
Hard to pressurize
Hard to use fine adjust
Not easy to turn the fittings
The isolating valve is not open.
A. Release valve is not closed.
B. The sealing ring is broken or loosen.
C. P/V selector is in wrong position.
D. Pipeline jamed with impurity.
A. The isolating valve is not closed.
B. The gauges is not tightened.
C. The sealing ring is aged or frayed.
D. The thread surface is not smooth.
E. The connector type is unmatched.
F. The impurity blocks the air routine.
A. Too tightly turned last time!
B. The new pump is not smooth.
C. The threads have no lubrication.
Open the isolating valve.
Close the release valve.
Replace sealing ring.
Pressure: pull it out; Vacuum: push it in.
Open the Clean-out bolt and clean.
Close the isolating valve.
Tighten the reference gauge or the gauge under test.
Replace sealing ring.
Put in a Teflon seals and turn it tightly.
Use the right and suitable adapter.
Repeat pressurizing several times and then release it suddenly, make airflow to bring the impurity out.
Do not apply much force to close the fittings and valves.
The new pump needs time to abrade.
Lubricate the thread.
Basic Operation
Connection
DI
GIT L
A R
PR
ES
SU
ECA
T R
LI
BR
A
O
U i
t
sn
SW V mA COM 24VSW V mA COM 24V
flexible hose
Pressure GaugePressure Gauge
kk
dial gauge
pressure switch
SW V mA COM 24VSW V mA COM 24V
pressure transmitter
A
Open to atmosphere
Pre-pressure
DIGITAL
PR
ES
SU
RE
CALI
BRAT
OR
U it
n s
e
e
g
g
G
G
re au
re au
u
u
s
s
s
s
re
re
P
P
select the pressure mode
3
open
open
2
Zeroing should be operated under this condition only.
1
4
turn it in the mid-position
B
Increase pressure process Decrease pressure process
C
GI
T
A
L
P SSUR AL
RE E
C
IB
RA
T DI
OR
ntsU
i
1
1
DIG
U
n s
it
close
T
A
L
P
RE
3
SSUR
E
CA
LI
B
RA
T
O
R I
Increase pressure
2
to the desired value
close (for precision
measure)
es
e
aug
aug
e G
e G
s
e sur
e sur
Pr
Pr
4
Fine adjust
00
Open it slowly to get the
desired value, and close!
2
Fine adjust
D
es
e
aug
aug
e G
e G
r
r
s
Pre su
Pre su
Prepare for vacuum
DI
GI
TA
L RE E
P
SSUR
C
AL
IB
RAT
OR
n
tsU i
0.
0.06
0.06
04
040.
au
au
G ge
G ge
m
m
u
u
u
u
c
c
a
a
V
V
MPa
0
0
.
.
08
08
- 0
- 0
.
.
1
1
open
4
close
5
Open to atmosphere before operation
operate it to get the desired value
3
E F
02
02
.
0.
0
00
open
1
2
Push in, select the
vacuum mode
GT L RE
I A P UR
SS
E
CALIRAT
B O
R DI
Unts
i
close (for precision
2
measure)
Vacuum process
vacuum-pumping
1
to the desired value
0
0
.
.
08
08
0
3
Fine adjust
0.06
0.06
.
.
Vacuum Ga
1-
1- 0
Decrease vacuum process
G
DI
GITA P
L R
ES
SU
R CALIBR
E
A
T
OR
U it
n
0.
04
040.
eVacuum Ga
e
ug
ug
MPa
0.02
0.02
00
1
Open it slowly to get the
desired value, and close!
s
0.
0.06
0.06
04
040.
uVacuu
uVacuu
a
a
G gem
G ge
m
MPa
0
0
.
.
08
08
0.02
0.02
00
- 0
.
.
1
1- 0
2
Fine adjust
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.
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