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| Designed for use in remote locations where AC power is not available |
| Designed for use in remote locations where AC power is not available, the DPI 603 enables pressure instrumentation to be serviced and calibrated.
The instrument features the capability to generate pneumatic test pressures with an integral hand-pump up to 300 psi. A volume adjuster provides fine control of the desired test value and a venting valve enables pressure release without disconnection of the device under test.
An optional pressure/vacuum switching facility can also be provided, which enables the hand-pump to source vacuum down to -22" Hg or pressure up to 300 psig.
To facilitate pressure transmitter testing and calibration a 24 VDC power supply is provided and the ability to monitor the current loop from 0 to ±55 mA DC.
For loop verification, the DPI 603 can also output a single 12mA test value, or provide a passive sink if required.
The clear LCD allows readout of pressure, voltage and current parameters with the ability to show current or voltage simultaneously with pressure. |
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Features |
- Accuracy ±0.075% F.S.
- Integral pressure generation
- Standard ranges up to 300 psig
- 5 digit LCD, multiple engineering units
- Dual pressure & electrical readout
- Transmitter supply & measurement
- Current loop verification test
- Vacuum generation available
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| | | SPECIFICATIONS
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Pressure Measurement Specification |
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Operating Pressure Ranges |
Standard full scale ranges can be specified of -14.7 psig to +15 psi, +30 psi, 100 psi or 300psig |
| Overpressure |
The rated pressure can be exceeded by 2 x causing negligible calibration change, subject to a maximum safe working pressure of 350 psi |
| Pressure Media |
Fluids compatible with 316 Stainless Steel, Hastelloy C276, Nylon, Viton and brass |
| Accuracy |
Combined non-linearity, hysteresis an repeatability ±0.075% F.S. for positive or negative pressures ±1 digit |
| Temperature Effects |
Over 32° to 105°, the averaged Span temperature coefficient will not exceed 0.007% of reading/°F |
| Digital Indicator |
Readout & Display ±99999 capability, 0.54" LCD digits with additional 16 text characters |
| Pressure Scale Units |
24 scale units are provided psi, lb/ft2, inHg, inH2O, ft of H2O, (40° and 68°F) torr, atm, Pa, kPa, MPa, kPa, mbar, bar, kg/cm2, kg/m2, mmHg, cmHg, mHg, mmH2O, cmH2O, mH2O, Special 2 units are presented on the display |
| Display Overload |
Instruments are capable of nominal 120% F.S. Above this, an overrange error code is displayed |
| Resolution |
±0.005% F.S. maximum |
| Response |
Nominal rate of three readings per second on the digital display |
| Zero Control |
Offset correction for pressure and electrical scales by key-press, protected against accidental use |
| Calibration Control |
Front panel key-pad calibration controls for pressure and electrical ranges |
| Position Effect |
Negligible |
| Electrical Specification |
| Electrical Inputs |
| Voltage Measurement |
| Range |
±50V |
| Accuracy |
±0.15% of reading ±0.02% F.S. |
| Temperature Coefficient |
±0.006% reading/°F |
| Current Measurement |
| Range |
±55mA |
| Accuracy |
±0.075% of reading ±0.005% F.S. |
| Temperature Coefficient |
±0.006% reading/°F |
| Electrical Outputs |
| Voltage output |
24V nominal, floating, 25mA maximum |
| Current output |
Loop check fixed 12mA nominal, source or sink |
| Power Supply |
| Battery powered 4 x 1.5V zinc carbon "D" cells, 50 hours nominal continuous operation with no load on output terminals. Battery low condition indicated by display symbol |
| Safety |
| IEC |
1010 |
| EMC |
immunity to IEC 801-804 |
| Certification |
CE marked |
| Physical Specification |
| Weight |
9 lbs |
| Dimensions |
12.6" x 7.7" x 5.0" nominal |
| Pressure Connection |
1/8" NPT female |
| Carrying Case |
Supplied standard and with a complete set of accessories |
| CAT NO. |
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MODEL |
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DEscRIPTION |
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AVAIL |
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PRICE |
| DR7750011 |
|
DPI 603 |
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PORTABLE PRESSURE CALIBRATOR |
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Yes |
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2,700,000 |
| DR7750012 |
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DPI 603 VACUUM |
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PORTABLE PRESS. CALIBRATOR W/ VAC.CAPABILITY DPI603A 300PSIG |
|
Yes |
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3,153,600
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