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| |
The laboratory Rheometer market is split into three main regions :-
 | Top
Porpoise P9 |
| Middle Porpoise P9b
and P7 |
| Entry
Porpoise testing, advice and calibration standards. |
The Porpoise P7 Rheometer has been developed to meet market requirements. The
P7 is the result of the requests made by users worldwide. The P7 covers the
areas where the user wants to :-
| cover general rheology of materials for extrusion purposes. |
| measure a range of samples without having to clean between tests. |
| convert the solid to melt very quickly. |
| automatically test materials sequentially without operator intervention. |
Porpoise are easily number one when you consider all these aspects.
Compare the Porpoise P7 with any other kind of Rheometer and you can make the
choice where your future in Rheology lies.
The P7 values are already entered for your convenience. Put in the numbers
for your alternative and see the differences.
The Porpoise P7 is the world's most efficient laboratory rheometer. The
P7 is the world fastest testing rheometer and does almost no work or thermal
degradation to the material before the test. The Porpoise values shown are for
the basic system and are minimum, obtained under any conditions. Higher
performance options are available on some parameters.
| General |
| |
P7 |
P9b |
Other
|
| Calibration Certificates |
Yes |
Yes |
|
| Safety Certificates |
Yes |
Yes |
|
| Installation Certificates |
Yes |
Yes |
|
| Training Certificates |
Yes |
Yes |
|
| Maintenance Certificates |
Yes |
Yes |
|
| Pressure Calibration Certificates |
Yes |
Yes |
|
| Die Certificates |
Yes |
Yes |
|
| Hardware Manual |
Yes |
Yes |
|
| Software Manual |
Yes |
Yes |
|
| Maintenance Manual |
Yes |
Yes |
|
| Self Test |
Yes |
Yes |
|
| Remote Diagnostics |
Yes |
Yes |
|
| New technology with reliability, precision and low
costs |
Yes |
Yes |
|
| Old technology with high maintenance costs |
No |
No |
|
| Hardware |
| |
P7 |
P9b |
Other
|
| Mounting |
Bench |
Bench |
|
| Automatic cleaning |
Yes |
No |
|
| No of samples tested without operator intervention - for corrected shear
viscosity |
12 |
1 |
|
| Time to heat sample to 0.1 celsius deviation |
Less than 1 minute |
9 minutes for 15mm bore
6 minutes for 12mm bore |
|
| Bores |
1,2 or 3. |
2 Standard |
|
| Bore sizes
( dia. mm )
|
N/A |
9.5, 12, 15, 19, 24 |
|
| Barrel material |
EN40 Nitrided Steel |
EN40 Nitrided Steel |
|
| Barrel options, Hastalloy, Stainless Steel,
Ceramic coated. |
Yes |
Yes |
|
| Upper limit of certified performance |
7,000 P.S.I. |
20kN on piston. |
|
| Frame stiffness |
N/A |
20kN/5 microns |
|
| Highest practical shear rate |
100,000 |
1,000,000 |
|
| Speed resolution |
1,000 : 1 |
200,000 : 1 |
|
| Speed uncertainty |
Less than 0.1% |
Less than 0.1% |
|
| Pressure measurement |
Precision Transducers |
Precision Transducers |
|
| Transducer protection |
Yes |
Yes |
|
| Automatic zero |
Yes |
Yes |
|
| Automatic electronics calibration |
Yes |
Yes |
|
| Multi point calibration |
Yes |
Yes |
|
|
Force measurement option
|
Yes |
Yes |
|
| Die material |
Tungsten Carbide |
Tungsten Carbide |
|
| Die Accuracy |
+/- 5 microns |
+/- 5 microns |
|
| Temperature Measurement zones |
3 |
4 |
|
| Resolution |
0.01 celsius |
0.01 celsius |
|
| Sensor |
PRT , type Pt-100 |
PRT , type Pt-100 |
|
| Accuracy |
1/10th DIN |
1/10th DIN |
|
| Barrel deviation |
0.5'C |
0.5'C |
|
| Extrudate Microscope Included |
Yes |
Yes |
|
| Optional Test Equipment |
| |
P9 |
P9b |
Other |
| Slot Die |
Yes |
Yes |
|
| Inert Gas Feed |
Yes |
Yes |
|
| Camera Die Swell |
Yes |
Yes |
|
| Laser Die Swell |
Yes |
Yes |
|
| Extrudate Profile Measurement |
Yes |
No |
|
| Melt Strength |
Yes |
No |
|
| Oven for low speed melt strength |
Yes |
No |
|
| Back Pressure Die |
No |
Yes |
|
| Non contact temperature gauge |
Yes |
Yes |
|
| Co extrusion die |
No |
No |
|
| PVT Measurement |
No |
Yes |
|
| Software |
| P7 and P9b share the same software |
Other |
| Operating systems. Win2000, NT4,
Win98 |
|
| Program PVL
Different user access levels
Advanced test setup
Script file control
Control and Analysis for shear, extension, MFI and SPC. |
|
| Program GUI1 Different user access levels
Advanced test setup
Script file control
Control and Analysis for shear, extension, degradation, melt fracture,
melt rupture, melt strength, relaxation, contamination.
Intelligent analysis on test setup and results. |
|
If you need help ; contact us.
|
