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Notes: W in the product codes indicates two-sheet type, S indicates mono-sheet type
Technology
Two-sheet type extreme low pressure, ultra super low pressure, super low pressure, low pressure, medium pressure (5 types)
Composed of two kinds of films: A-film and C-film
· A-film: Base material (PET base) coated with a color-forming material (microcapsules)
· C-film: Base material (PET base) coated with a color-developing material
The coated sides of each film (color-forming and color-developing) must face each other.These are the sides with
the matt finish.When pressure is applied, the microcapsules are broken and the color-forming material transfers to
the color-developing material and reacts, thereby generating a red color.
Mono-sheet type medium pressure, high pressure, super high pressure (3 types)
 Measurement is possible with a single sheet of film.
· A color-developing material and color-forming material (microcapsules) are coated, one above the other, on a single base material (PET base).
When pressure is applied, the microcapsules are broken and the color-developping material absorbs the color-forming
material and reacts, thereby generating a red color.
Specification and Operational Environment
Prescale (Two-sheet type/Mono-sheet type) | | Accuracy | ±10% or less (when measured with densitometer at 23°C/73.4°F .65% RH) | | Recommended Temperature | 20°C ~ 35°C (68°F 95°F) | Recommended Humidity | 35%RH ~ 80Rh | | Thickness | Mono-sheet ca 110µ Twosheet: A-film: ca.90µm C-film: ca.90µm *Each type of products has different thickness. |
Pressure Chart (Low Pressure LW case)
• Continuous pressure
Measurement pressure range: Low pressure (2.5~10MPa) Pressure application condition: Time to reach the pressure 2min. Time of retention at the pressure 2min.
• Momentary pressure
Measurement pressure range: Low pressure (2.5~10MPa) Pressure application condition: Time to reach the pressure 5sec. Time of retention at the pressure 5sec.
Simply insert and measure pressure distribution by color density.
Possible analysis range from visual confirmation to computer analysis after digitization.
Prescale is the world's only film that measures pressure and pressure distribution. Areas where pressure is applied become red in response to the pressure and it is possible to check pressure magnitude and pressure balance. The eight models of Prescale cover a wide range of pressures from extremely low pressures to super-high pressures.
Enables anyone to measure pressure easily. Just insert between two surfaces.
| EASY VISUAL CHECK | Measure pressure by color density
Not just force at a single location,
it measure the distribution of it | | | | EASY OPERATION | No Power source required
Cut and fit any dimensions | | | | EASY DIGITIZATION | Digitizing by scanner covert pressure
density into quantifiable value | |
| Compared to estimating pressure from the results of trial or actual production runs, measuring pressure with Prescale enables accurate mechanical setting and adjustment. | | Since mechanical device setting and adjustment, as well as switching between production items, can be performed based on measurement results; these take less time and have fewer defects. | | Even if a defect occurs, mechanical and device states can be checked by measuring pressure and pressure distribution; using Prescale to quickly investigate the cause of the problem. |
Visualization of surface pressure by color change
 | Pressure is detected by color density; unevenness and bias in surface pressure distribution can be checked.
Areas of the film where pressure is applied become red and the color density varies according to the intensity of the applied pressure. The density of red allows visual evaluation of the strength of the pressure. Also, scanning allows a quantifiable pressure map analysis to be performed. |
Work Flow
Measurement method
 |  |  | |  | |  | | Cut Prescale to desired dimensions. | | Insert Prescale between the pressure surfaces to be measured. | | Apply normal operating pressure. | | Remove Pressure and Prescale and you can now see and check the pressure and it's distribution. |
Digitizing
 | |  | | Use a scanner (recommended model) to read the colorized Prescale sheet. | | Use FPD-8010E software for analysis. | NOTE: Prescale film is synonymous with pressure sensitive paper, tactile pressure indicating sensor film, pressure sensitive film, Fuji pressure film, Fuji paper, or Fuji prescale film. | |
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