
The Professional Choice from Harkness Screens.
Harkness projection foils provide exceptional picture quality in demanding light conditions. They are suitable for all types of projected media. Foils are available off roll or cut to size and are suitable for applying to glass, polycarbonate or acrylic surface.
Screens are available for export through the UK sales office, with the majority available ex-stock.
The potential use is wide. The foils can be used to project information, for product promotion and advertising.
There are 4 principal products:
Invisi-Screen - the first transparent projection foil rear or front projection; virtually invisible when in place but comes alive under projection.
Double Screen - a rear projection foil that gives an equal image brightness on both sides.
Grey Screen - a rear projection foil that gives good contrast in ambient light and a wide viewing angle.
Impact Black - a rear projection foil for high ambient light conditions, giving enhanced contrast and excellent colours; images look bright and vivid.
Foil type |
Invisi-Screen |
Double Screen |
Grey Screen |
Impact-Black |
| View angle (degrees off axis) | 30 | 60 | 80 | 40 |
| Contrast (1 = fair; 4 = good) | 1 | 2 | 3 | 4 |
| Ambient light performance | 1 | 2 | 3 | 4 |
| Lumens / m2 -inside daylight -outside north light -outside south (sun) |
3000 4000 6000 |
2000 3000 5000 |
2000 3000 5000 |
2000 3000 5000 |
| Projection | RP but also can use FP | RP - image is visible equally on both sides | RP | RP |
| Projection angle (degrees to axis) | 25-30 optimum | 25-30 optimum | 0-30 | 0-40 optimum 20-40 |
| Roll width (m) | 1.5 | 1.5 | 1.5 | 1.5 / 2.5 |
| Benefit | almost transparent | can see image well on both sides | good contrast; wide view angle | excellent contrast; vibrant colours |
Projection foils are supplied off roll or cut to size/shape. Also available mounted on glass, acrylic or polycarbonate sheet.
The universal powered ceiling mount for digital projectors from Harkness Screens.
SECURE AND UNOBTRUSIVE, the SI-100 Projector Lift is a versatile and innovative installation solution for digital projectors up to 15kg (33lbs) weight. Designed for installation within false ceilings the SI-100 is driven by a powerful and near silent motor. The whole system is secure and unobtrusive with the projector, lift and cable hidden from view until required.
The universal projector platform accepts projectors with maximum dimensions of 435 x 435 x 230mm (WxDxH) and a maximum weight of 15kg (33lbs).
The SI-100 incorporates a cable tidy system ensuring smooth trouble free operation.
The SI-100 is supplied complete with height adjustable false ceiling fixing kit.
| Power supply: | 220-230V 50 HZ |
| Max. consumption: | 90 W |
| Torque: | 8 NM |
| Motor speed: | 12 RPM |
| Operation: | Wall mounted switch |
| Lift Dimensions: | |
| Closed: | 576 x 550 x 140mm (WxDxH) |
| Lowered: | 576 x 550 x 1023mm (WxDxH) |
| Lowered including fixing: | 576 x 550 x 1156mm (WxDxH) |
| False ceiling fixing | |
| panel dimensions: | 415 x 450mm (WxD) |
| Maximum load capacity: | 15kg (33lbs) |
| Travel: | 16cm to 116cm |