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Digital Reference Pressure Gauge
DFP - Accuracy 0.1% FS
Scalable Indication of Force (to, kg, kN) |
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Digital Reference Presssure Gauge
Type
DFP
Scalable Indication of Force (tons, kg, Newton)
Pressure --->
Force
Datasheet
- Accuracy ±0.1% FS
- Pressure ranges up to 2000 bar available
- Battery operated (1 year autonomy)
- Pressure units "bar", conversion to Force
- PEAK-function (positive and negative)
- Programmable digital Filter
- Pressure connection 1/2" BSP male
- Large and clear LCD display
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The
DFP is a microprocessor based digital
pressure gauge, made of particularly high long-term stable analogue
section and a 16 bit A/D converter which ensure 65,000 internal
divisions. These features, together with a 0.1% accuracy class, make it
ideal as a reference instrument: in fact the
DFP is proposed as a
first line sample for Quality Insurance Laboratories.
The Digital Reference Pressure Gauge
DFP has internal
batteries with 1 year autonomy, also guaranteed by the Auto-PowerOff function,
which activated if no measurements changes are detected in the previous 30
minutes (adjustable).
The user can define his own engineering unit for force. The
DFP is supplied calibrated in "bar" pressure unit as a standard pressure
gauge. It is up to the installer to set the full scale value in the force unit
used (kg or ton) by using the following formular:
F[N]
= P x D² x ∏ / 40
P = Pressure in bar
D = Diameter of cylinder in mm
F[kg] = F[N] / 9.80665
F = force
N = Newton
kg = Kilogram
As an option, the Digital Reference Pressure Gauge
DFP
is available with a RS232 interface. A connection cable and a simple Software to
read out the RS232 interface can be supplied on request.
A carrying case is included in standard supply.
Ranges and max. Display Resolutions:
|
Pressure Range |
max. Display Resolution |
| 0...10 bar |
0.001 bar |
| 0...20 bar |
0.002 bar |
| 0...50 bar |
0.005 bar |
| 0...100 bar |
0.01 bar |
| 0...250 bar |
0.02 bar |
| 0...350 bar |
0.05 bar |
| 0...500 bar |
0.05 bar |
| 0...700 bar |
0.05 bar |
| 0...1000 bar |
0.1 bar |
| 0...1500 bar |
0.2 bar |
| 0...2000 bar |
0.5 bar |
Technical Data:
| Linearity and Hysteresis: |
better ±0.1% FS |
| Readings per sec. (0
filter) |
10 (100 ms) |
| Reference Temperature: |
+23°C |
| Ambient Temperature: |
0...+50°C |
| Storage Temperature: |
-10...+60°C |
| Zero Function: |
50% |
| Digital Filter (programmable): |
0...99% |
| Display Resolution
(programmable): |
1, 2, 5 or 10 Digits |
| Pressure units (switcheable): |
bar, Force units: kg, t, daN, kN (scalable) |
| Baud Rate at optional
RS232 Interface: |
19200, 9600, 4800 |
| PEAK function: |
Positive (+) and Negative (-) |
| Display: |
LCD, height 16 mm |
| Power Supply: |
4 Alkaline Batteries 1,5 V (size AA) |
| Service Pressure: |
max. 100% FS |
| High Dynamic Pressure: |
max. 75% FS |
| Permissible Pressure: |
max. 150% FS |
| Breaking Pressure: |
>300% FS |
| Standard Process Coupling: |
1/2" BSP male |
| Recommended Gasket: |
USIT A 63-18 |
| Tightening Torque: |
28 Nm (Tightening Wrench:
27 mm) |
| Housing Material: |
Aluminium |
| Dimensions: |
appr. 132 x 80 x 48 mm
(Height incl. coupling x Width x Depth) |
| Protection: |
IP 40 |
| RS232-Interface (Option): |
9-pol D-SUB (female) |
Options:
- Build-in version for panel mounting 83x83 mm,
back connection
- Version with mains power supply 230 VAC (no
batteries)
Recommendes pressure sources:
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LPP 30 portable calibration handpump,
pneumatic,
pressure up to 35 bar (500 psi), vaccum -0,95 bar (-28 inHg)
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LPP 700 portable calibration
handpump, hydraulic,
pressure up to 700 bar (10000 PSI)
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LPP 1000 portable calibration
handpump, hydraulic,
pressure up to 1000 bar (14500 psi)
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LSP bench type pressure comparison
pump, hydraulic spindle pump, pressure up to 1000 bar (14500 psi) ... 7000
bar (101500 psi)
NOTE:
If used together with our calibration handpump
LPP 30, we recommend
the volume-reducer order-code VRS-G12.
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