B-219
INDICATORS FOR MELT PRESSURE CONTROL
MODELS DP434 DIGITAL & DP409 ANALOG CONTROLLERS
Transducer Excitation
Supply Standard
Integral Shunt
Calibration for Easy
Set-up, Span Check
and Adjustment
Recorder Outputs
Standard
Digital
Models From
$
475
Analog
Models From
$
450
OMEGA’s melt pressure indicators
also function as transducer power
supplies and signal conditioners.
The DP434 Digital Model has a
large 88.9 mm (31⁄2") digit LED
display which is easy to read, even
from a distance, while the DP409
Analog Model has a 152.4 mm (6"),
240° arc (international scale) for
easy viewing. Both units are housed
in a standard 1⁄4 DIN case.
The DP434 and DP409 are
designed for use with OMEGA’s
melt pressure transducers or any
4-leg, 350 Ω Wheatstone bridge
strain gage transducer. A calibration
switch allows for a quick span check
and adjustment for zero at zero
pressure. The complete electronics
assembly can be removed and
replaced from the front without
disturbing the wiring in back.
Dual setpoint models can be used
to give a preliminary warning before
an actual shutdown sequence is
initiated. HI/HI LO/LO, LO/Hl, or
HI/LO alarm modes can be
programmed, and the relays are
isolated during a setpoint change or
calibration check to prevent
accidental emergency shutdown.
Cables and Sensor Sold Separately.
DP434 Features 31⁄2 Digit
LED Display with Fixed
Zero for 19990 Display
DP409 Features Easy-to-
Read Analog Display
with 240˚ Dial Indication
Adjustable Damping,
Response Time
Selectable at 0.3 s or 5.0 s
Dual Alarm Setpoints
HI/HI, LO/LO, LO/HI, HI/LO
MADE IN
USA
To Order (Specify Model Number)
DIGITAL ANALOG
RANGE (psi) MODEL PRICE MODEL PRICE
0 to 1,500 DP409-1500 $450
0 to 3,000 DP409-3K 450
0 to 5,000 DP409-5K 450
0 to 10,000 DP409-10K 450
0 to 15,000 DP409-15K 450
DUAL ALARM MODELS
0 to 1,500 DP409A-1500 $550
0 to 3,000 DP409A-3K 550
0 to 5,000 DP409A-5K 550
0 to 10,000 DP409A-10K 550
0 to 15,000 DP409A-15K 550
B-220
B
SPECIALTY
PRESSURE TRANSDUCERS
MOST POPULAR MODELS HIGHLIGHTED
SPECIFICATIONS
DP434 DIGITAL &
DP409 ANALOG METERS
PERFORMANCE
CHARACTERISTICS
Standard Ranges: 0-1500, 0-3000,
0-5000, 0-10,000 & 0-15,000 psig
Accuracy: ±0.1% of full scale or one
digit (DP434); ±2.0% of full scale
(DP409)
Analog (Recorder) Output:
Accuracy: ±0.1% of full scale,
Repeatability: ±0.1% of full scale,
Linearity: ±0.1% of full scale,
Stability: ±0.1% of full scale
(or one digit)
ELECTRICAL
CHARACTERISTICS
Power: 106-125 or 200-250 Vac
50/60 hz, 1⁄
8 Amp maximum
Zero Adjustment: ±35% with front
panel adjustment
*Unit is scalable over all ranges.
Sensitivity Adjustment (Span):
1 to 2.5 mV/V or 2.5-5.0 mV/V switch
selectable and fully adjustable.
Shunt Resistance Calibration: Internal
30.1 kΩ Shunt Resistor
Response Time (Damping):
Selectable at 0.3 or 5.0 seconds
Recorder Outputs: Standard: 0-1 Vdc;
0-2 Vdc, 0-5 Vdc & 0-10 Vdc;
Optional: 4-20 mA, load from 15-400 Ω
(add suffix R to model number and
$100 to price)
Transducer Power Supply:
8.2 Vdc ±5%
CONTROL CHARACTERISTICS
Dual Relays: 2 SPDT (Single pole
double throw) (Shipped 1 Hi, 2 Lo)
Relay Rating: 8 Amp @ 125/250 Vac,
5 Amp @ 30 Vdc
Set Point Range: 1-100% of full scale
Accuracy: ±0.3% of full scale
Hysteresis: ±0.5% of full scale
Alarm Indication: Front panel LED
Mode: Above or below set point
Reset: Automatic or manual
Peak Hold: Optional
PHYSICAL CHARACTERISTICS
Size: 1⁄4 DIN
Display: For DP434: 3
1
⁄2 active digits,
LED, 0.3 in height, plus extra digit fixed
zero and selectable decimal point. For
DP409: 152.4 mm (6") scale, 240° arc.
Operating Temperature: 0 to 140°F
(-18 to 60°C)
Weight: 2.5 lb (1.1 kg)
Note: Range changes for the DP434
can be made in the field.
Removable Front-End
Assembly
DP434* $475
DP434A* $585
MADE IN
USA
CUTOUT: 3.62 (91.95) X 3.62 (91.95)
5
4
3
2
1
0
PSIx1000
ZER0 SPAN CAL RESET CONTROL 2 CONTROL 1
3.93
(86.11)
6
7
CAN ADJUST TO
ANY GAGE PANEL
8
3.93
(86.11)
9
10
.45
(11.43)
.90
(22.86)
5.72
(145.29)
DIMENSIONS IN in.
DIMENSIONS IN (mm)
(90.93)
.75
(19.05)
3.58
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
EPG05
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0800-488-488
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1-800-TC-OMEGA
Stamford, CT.
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1-800-TC-OMEGA
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0800-8266342
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www.omega.fr
Guyancourt, France
088-466-342
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www.omegaeng.cz
596-311-899
BENELUX
www.omega.nl
Amstelveen, NL
0800-099-33-44
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