Additel 938 Hydraulic Pressure Calibration Pump (oil-free) User Manual - Manual (Page 2)

Additel Corporation, USA
www.additel.com
A B
Maintenance
① Open drain valve (#6)
② Collect media using a container
③ Open reservoir cover
vent valve (#4)
⑤ Remove the
reservoir(#5)
④ Unscrew with
hex wrench
Fill media Drain and Clean
Note: In order to properly generate pressure,
the gas must be purged from the pump
(see purge process below).
②fill media
①open reservoir
cover vent valve (#4)
Basic Operation
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.
Pressure Gauge Bar 32
64 96
128
160
DIGITAL PRESSURE CALIBRATOR
Units
A 0 25 50 75 100
bar bar
Pressure Gauge Bar 32
64 96
128
160
DIGITAL PRESSURE CALIBRATOR
Units
A 0 25 50 75 100
bar bar
Pressure Gauge Pressure Gauge Bar 32
64 96
128
160
Pressure Gauge Pressure Gauge Bar 32
64 96
128
160
E C
F G H
D
Zeroing Pressurizing process
Vacuum process Vent
Purge process (cont.)
Depressurizing process
A
SW V mA COM 24V SW V mA COM 24V SW V mA COM 24V
Connection
dial gauge pressure switch pressure transmitter flexible hose
Pressure Gauge
Bar 32
64 96
128
160
Note: Gauge positions are interchangeable. Any open ports should be plugged prior to operation.
DIGITAL PRESSURE CALIBRA TOR
Units
A 0 25 50 75 100
bar
DIGITAL PRESSURE CALIBRATOR
Units
A 0 25 50 75 100
bar bar
Pressure Gauge Bar 32
64 96
128
160
Pressure Gauge Pressure Gauge Bar 32
64 96
128
160
DIGITAL PRESSURE CALIBRATOR
Units
A 0 25 50 75 100
bar bar
DIGITAL PRESSURE CALIBRATOR
Units
A 0 25 50 75 100
bar bar
Pressure Gauge Bar 0.8
0.6 0.4
0.2
0 -1
Pressure Gauge Bar 0.8
0.6 0.4
0.2
0 -1
DIGITAL PRESSURE CALIBRATOR
Units
A 0 25 50 75 100
bar bar
Pressure Gauge Bar 0.8
0.6 0.4
0.2
0 -1
Pressure Gauge Bar 0.8
0.6 0.4
0.2
0 -1
① Always keep valve(#4)
open during operation
⑤Turn all the way in
②open
③open
③open
②open
① always keep valve(#4)
open during operation
③close
①close
②Pre-pressure
④high-pressure
Note: Skip step for dial gauge
calibration in a narrow
pressure range.
③
①close
②Vacuum
②open
①back to atmosphere
②open
④open
①depressurizing
③depressurizing
④Wait for gauge to vent to zero
Bubbles
If air is still trapped in the pump,
then repeat the purge process
2 or 3 more times until all the
gas is removed from the system
B
Purge pocess
DIGITAL PRESSURE CALIBRATOR
Units
A 0 25 50 75 100
bar bar
① Always keep valve(#4)
open during operation
④Turn all the way out
②open
③close
⑤ Vacuum displayed
on the gauge
If it is difficult to generate vacuum
pressure, then repeat the purging
process to make sure all the gas
is removed from the system