Page 1
GE
Sensing
DPI 320/325
Series
The DPI 320/325 Series are Druck
products. Druck has joined other
GE high-technology sensing
businesses under a new name
—
GE Industrial, Sensing.
g
• High accuracy 0.025% full scale (FS)
• Generates pneumatic pressures to 3000 psi (200 bar)
• Dual channel readout: pressure and electrical
• Self contained rechargeable gas cylinder
• RS232 interface and documenting versions
• Coarse/fine adjust selection
Features
Druck Portable High
Pressure Pneumatic
Calibrators
For over twenty years, GE Druck has led the world in
portable pressure calibrator technology and function. The
DPI 320/325 Series of high pressure pneumatic
calibrators are the latest additions to a comprehensive
range of compact and rugged instruments. This range of
portable calibrators is designed to make testing and
calibration of high pressure instruments and systems
both quick and simple. Two versions are available: the
DPI 320, which is the standard model, and the DPI 325,
which has full documenting capability. These
self-contained portable calibrators from GE Druck provide
unparalleled accuracy and control performance. A built-in
gas cylinder provides source pressures up to 3000 psi
(200 bar), a precision pressure regulator and fine volume
adjuster ensures optimum control, and a digitally
characterized sensor measures pressure to better than
0.025% of FS.
Fast and Convenient Solution for
Pressure Calibration
Page 2
Field and Workshop Operation
The DPI 320/325 Series pressure calibrators are designed
for use in the workshop, in the plant or out in the field.
The large capacity gas cylinder ensures maximum
productivity between refills. In addition, the calibrators
can be operated directly from an external pressure
source connected to the charging port.
Dual Channel Display
The DPI 320/325 Series are dual channel instruments,
able to display both the input and output values
simultaneously. The calibrators are capable of providing
current and voltage excitation to the unit under test (UUT),
and can measure DC voltage, DC current and ambient
temperature. Electrical terminations are made by
industry standard 4 mm sockets, and the large backlit
display provides a clear readout of the process
parameters.
Application Specific Task Menu
A dedicated task key provides instant access to the task
menu, permitting the calibrator to be configured for
specific applications. For example, the P-I task configures
the calibrator to source pressure and measure current at
24 VDC. Loop-power is also available to allow complete
pressure transmitter calibration. Running the pressure
switch task captures the open and closed switch values
and calculates switch hysteresis. The contact resistance
of the switch under test can also be monitored.
High contrast, menu
driven, dual function
display
GE
Sensing
Built-in rugged
transit case
Charge overpressure
vent port
Purge valve
1/4 in NPT
test ports
Volume adjustor for
fine pressure control
Regulator
output pressure
indicaor
Pressure regulator for
coarse pressure control
AN4 or G 1/8 in
female charging
port
Gas bottle
isolation valve
Charge
pressure
indicator
Reduce Process Downtime
The DPI 325 version enables calibration criteria to be
easily entered via the keypad, allowing fast diagnosis of
field instruments and automatic reporting of errors with a
Pass or Fail status. When used in conjunction with Intecal
for Industry (i4i) calibration management software, it will
be possible to download test procedures from a PC to the
DPI 325. The calibrator will prompt the technician during
the calibration routine, and the results will be recordered
electronically, reducing downtime and eliminating human
errors.
Page 3
GE
Sensing
DPI 320/325
Specifications
Pressure
The DPI 320 and 325 include a built-in pressure sensor
and matched pressure regulator. The pressure range
should be selected from the table below.
Pressure Range Accuracy* (% FS) Maximum Overpressu Type**
500 psi (35 bar) 0.025% 1000 psi (70 bar) G or A
1000 psi (70 bar) 0.025% 2000 psi (140 bar) G or A
1500 psi (100 bar) 0.025% 3000 psi (200 bar) G or A
2000 psi (135 bar) 0.025% 4000 psi (220 bar) G or A
3000 psi (200 bar) 0.025% 6000 psi (220 bar) G or A
*Combined non-linearity, hysteresis and repeatability
**G = Gage, A = Absolute (pressure reference)
Temperature Effects (averaged and w.r.t. 20°C ±0.004% of reading/°C
Pressure Source
• Built-in Nitrogen/Air cylinder; maximum refill pressure
3000 psi (200 bar).
• Storage volume: 122 cubic inches (2 liters).
• Recommended media: Oxygen Free Nitrogen (OFN)
• Remote pressure sensors: Please consult factory for
list.
Electrical
In addition to pressure, the dual display can
simultaneously monitor mA, V, switch continuity and
ambient temperature. Also, 10 VDC and 24 VDC power
supplies are available for the device under test.
Input Range Accuracy Resolution Remarks
Voltage* ±50 VDC. 0.05% reading 100 Autoranging
0.004% FS maximum >10 S
Current* ±55 mA 0.05% Reading 0.001 mA 10 Ω , 50 V
0.004% FS maximum
Temperature 15°F to 105°F ±2°F (±0.1°C) 0.1°F (0.1°C) Case
(-10°C to 40°C) ambient
Switch Open/Closed 5 mA
whetting
Features
Pressure Units
25 scale units plus one user defined
mA Source
Auto 10-sec. step cycle and programmable ramp
(60 seconds end-to-end)
Process Functions
Filter, maximum/minimum, tare, flow, and % span
Power Management
Auto power off, auto backlight off, battery status
indicator
Display
2.36 in x 2.36 in (60 mm x 60 mm) graphic LCD with
backlight, +/-99999 readout, two readings per second
Data Storage
92 kbytes memory
Environmental
Temperature
• Operating range: 15°F to 120°F (-10°C to 50°C)
• Calibrated: 15° to 105°F (-10°C to 40°C)
Humidity
0 to 90%, non-condensing
Sealing
Type 12/IP54 in operation (IP65 when closed)
Conformity
EN 61010, EN 61326 Class A, CE marked
Physical
• Weight: 28 lb (12.8 kg)
• Approximate size (w x l x d): 16.9 in x 10 in x 6.5 in
(429 mm x 254 mm x 165 mm)
Power supply
Battery powered 6 x 1.5 V NiCad cells_20 hours nominal
use at 68°F (20°C). The unit will operate from an AC power
supply, 85 to 265 V, 45 to 400 Hz, and allow the battery
pack to recharge. A low battery condition is indicated on
the display.
Output Range Accuracy Resolution Remarks
Voltage 10 VDC. 0.1% 100 microV Maximum
maximum load 10 mA
Voltage 24 VDC 5% 0.001 mA Maximum
load 26 mA
Current* 0 to 24 mA 0.05% Reading 0.001 mA
*Temperature coefficient 0.004% reading/°F (0.0075% reading/°C) w.r.t. 20°C
Page 4
The fully documenting DPI 325 also provides the
following additional features:
• Calibration mode, showing on-line error analysis
indicating pass/fail status. Storage of as-found and
as-left results.
• Graphical analysis of results, showing pass/fail
tolerance. Two-way PC interface for transferring test
procedures and results.
• Compatible with Intecal for Industry (i4i) calibration
management software.
Confirm availability with your GE representative.
GE
Sensing
DPI 320/325
Specifications
Options
Remote Pressure Sensors
The calibrators have a second pressure channel which
can be configured with up to 10 remote sensors (one at a
time). The sensors are supplied with an electrical
connector and 1/4 in NPT female or G 1/4 female
pressure ports. A mating cable is required.
Mating Cable for Remote Sensor
A six foot mating cable for connecting remote sensors to
the calibrator. At least one should be ordered when
ordering a remote pressure sensor.
Intecal for Industry Calibration Management Software
For a fully-functional free copy of Intecal for Industry,
please visit ge-intecal.com.
The complimentary version is limited to a data base with
25 tags.
Carrying Case
A backpack style carrying case with padded shoulder
straps and adjustable chest band, providing a stable and
comfortable carrying system for the DPI 320 Series. Also
features a large pocket designed to carry the DPI 320
Series accessories and options.
Accessories
The DPI 320/325 Series is supplied with a battery charger,
test leads, RS232 cable, user manual, pressure test
certificate, calibration certificate and accessory bag as
standard.
The Nitrogen cylinder will be supplied empty, for filling
on site.
Calibration Standards
Instruments manufactured by GE Druck are calibrated
against precision calibration equipment traceable to
International Standards, including NIST.
Ordering Information
Please state the following (where applicable):
1. DPI 320 or DPI 325 type number.
2. Internal pressure range required.
3. Options, (if required) including range for remote sensor.
Remote pressure sensor and cable should be ordered as
separate line items.
g
©2005 GE All rights reserved.
920-207A
All specifications are subject to change for product improvement without notice.
GE
®
is a registered trademark of General Electric Co. Other company or product
names mentioned in this document may be trademarks or registered trademarks
of their respective companies, which are not affiliated with GE.
www.gesensing.com
Loading...