Photo Research Product Comparison Table
|
|
Features |
Unit
|
PR-650
|
PR-655
|
PR-670
|
PR-680
|
PR-705
|
PR-715
|
PR-880
|
PR-920
|
PR-1980B
|
PR-1530AR
|
|
Spectral Range |
nm
|
380- 780
|
380-780 |
380-780 |
380-780 |
380- 780
|
380- 1,068
|
N/A
|
N/A
|
360 - 860
|
N/A
|
|
Detector |
|
128 Element Photo Diode Array |
128 Element Photo Diode Array |
256 Element Photo Diode Array |
256 Element Photo Diode Array + Photomultiplier Tube (PMT) |
Photo Diode Array
|
Photo Diode Array
|
Photomultiplier tube (PMT)
|
CCD
|
Photomultiplier tube (PMT)
|
Photomultiplier tube (PMT)
|
|
Exposure Time |
ms
|
10 - 6,000
|
3 - 6000 |
6 - 30,000 |
6 - 30,000 |
25 - 60,000
|
25 - 60,000
|
N/A
|
100 - 60,000
|
N/A
|
N/A
|
|
Spectral Bandwidth |
nm
|
8 (std.) 5 (opt.)
|
8 (std.) / 5 (opt.) |
8 (std.) / 5 (opt.) |
8 (std.) / 5 (opt.) |
³ 2.5 (aperture dependent)
|
³ 2.5 (aperture dependent)
|
N/A
|
N/A
|
1, 5, 10 (selectable)
|
N/A
|
|
Spectral Accuracy |
nm
|
± 2
|
± 1 |
± 1 |
± 1 |
± 2
|
± 4
|
N/A
|
N/A
|
± 1
|
N/A
|
|
Wavelength Resolution |
nm
|
< 3.5
|
<3.5 |
<2 |
<2 |
< 2
|
< 4
|
N/A
|
N/A
|
± 1
|
N/A
|
|
Luminance Accuracy (2856K) |
%
|
± 2
|
± 2 |
± 2 |
± 2 |
± 2
|
± 2
|
± 2
|
± 2
|
± 2
|
± 2
|
|
Luminance Range(Illuminant A) |
fl
|
1 - 5,000
|
0.2 - 30,000 |
0.01 - 2,500,000 |
0.001 - 5,000,000 |
0.001 - 500
|
0.0005 - 350 |
0.0001 - 1,000,000 |
0.5 - 420,000
|
0.0001 - 10,000 |
0.0001 to 10,000 |
|
cd/m2 |
3 - 15,000 |
0.7 - 103,000 |
0.12 - 8,566,000 |
0.003 - 17,130,000 |
0.003 - 1,700 |
0.0015 - 850 |
0.0003 - 3,000,000 |
(0.17- 1,400,000)
|
0.0003 - 30,000 |
0.0003 to 30,000
|
|
Digital Resolution |
|
14 bit
|
16 bit |
16 bit |
16 bit |
16 bit
|
16 bit
|
14 bit
|
14 bit
|
3 ½ digit
|
3 ½ digit
|
|
AutoSync Range |
Hz
|
40- 250
|
20 - 400 |
20 - 400 |
20 - 400 |
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Measuring Aperture(s) |
|
1° or 0.5° (opt) |
1° or 0.5° (opt) |
1°, 0.5° 0.25° 0.125° automated |
1°, 0.5°, 0.25°, 0.125° automated |
2°, 1°, ½°, ¼°, 1/8°, 0.5°x1.5°
|
2°, 1°, ½°, ¼°, 1/8°, 0.5°x1.5°
|
2°, 1°, ½°, ¼°, 1/8°, 0.4°x40°
|
N/A
|
2', 6', 20',1°, 3°
|
3°
|
|
Viewing Field |
|
7°
(with MS-55)
|
7°
(with MS-55) |
7°
(with MS-55) |
7°
(with MS-55) |
8.5°
(with MS-55)
|
8.5°
(with MS-55)
|
8.5°
(with MS-55)
|
13.7°
|
1.9°, 5.9°, 11° with OL-7
|
3°
|
|
Minimum Measuring Area |
inch
|
0.02 with MS-2.5X Lens |
0.01 with MS-5X Lens |
0.001 with MS-5X Lens & 0.125° aperture |
0.001 with MS-5X Lens & 0.125° aperture |
0.001 with MS-5X Lens and 1/8° Aper. |
0.001 with MS-5X Lens and 1/8° Aper. |
0.001 with MS-5X Lens and 1/8° Aper. |
0.0048 with MS-50 lens |
0.004 with MS-10X Lens and 2' aper. |
0.011 with MS-10X lens Minimum Measuring |
|
mm |
0.51 |
0.289 |
0.036 |
0.036 |
0.02 |
0.02 |
0.02 |
120 |
10 |
0.28 |
|
Min. working distance with standard lens |
inch |
14 |
14 |
14 |
14 |
1.75 |
1.75 |
1.75 |
4.84 |
7 |
0.6 |
|
mm |
356 |
356 |
356 |
356 |
44 |
44 |
44 |
12.3 |
178 |
15.24 |
|
Battery |
|
Rechargeable Nicad.
|
Rechargeable Li-Ion |
Rechargeable Li-Ion |
Rechargeable Li-Ion |
Battery Pack (Optional)
|
Battery Pack (Optional)
|
Battery Pack (Optional)
|
N/A
|
N/A
|
N/A
|
|
Interfaces |
|
RS-232, IEEE-488
|
USB, RS-232 (opt.), Bluetooth (opt.) |
USB, RS-232 (opt.), Bluetooth (opt.) |
USB, RS-232 (opt.), Bluetooth (opt.), Analog Output (opt.) |
RS-232, IEEE-488, Parallel
|
RS-232, IEEE-488, Parallel
|
RS-232, IEEE-488
|
RS-232
|
Analog, BCD
|
Analog, BCD
|
|
Data Storage |
|
Ram Card
|
SD Card |
SD Card |
SD Card |
On Board Floppy Disk
|
On Board Floppy Disk
|
Ram Card
|
PC
|
PC
|
N/A
|
|
Mode of operation |
|
Stand alone or PC
|
Stand alone or PC
|
Stand alone or PC
|
Stand alone or PC
|
Stand alone or PC
|
Stand alone or PC
|
Stand alone or PC
|
PC
|
PC
|
Stand Alone
|
|
System Software |
|
SpectraWin™ (opt.)
|
SpectraWin™ (opt.)
|
SpectraWin™ (opt.)
|
SpectraWin™ (opt.)
|
SpectraWin™ (opt.)
|
SpectraWin™ (opt.)
|
N/A
|
PanelWin or VideoWin
|
MOD 10
|
N/A
|
|
Size (approx.) |
inch
|
12" x 7" x 3" |
14" x 7.94" x 3.21" |
14" x 7.94" x 3.21" |
14" x 7.94" x 3.21" |
15" x 6.10" x 7.76" |
15" x 6.10" x 7.76" |
15" x 6.10" x 7.77" |
7.81" x 4.13" x 6.32" |
19.5" x 8.5" x 9" |
12.5" x 5.75" x 6.25" |
|
mm |
305 x 178 x 76 |
355.60 x 201.68 x 81.53 |
355.60 x 201.68 x 81.53 |
355.60 x 201.68 x 81.53 |
381x 155 x 197 |
381x 155 x 197 |
381x 155 x 197 |
198.4 x 105 x 160.5
|
459 x 216 x 229 |
317.5 x 146 x 159 |
|
Weight (approx.) |
lb |
4.75 |
3.75 |
3.75 |
4.5 |
12.5 |
12.6 |
9.4 |
12.6 |
26 |
8.5 |
|
kg |
2.15 |
1.7 |
1.7 |
2.04 |
5.7 |
5.7 |
4.3 |
5.7 |
11.8 |
3.6 |
|
Measuring Capabilities |
|
Spectral Radiance, Luminance, Spectral Irradiance, Illuminance, Spectral Radiant
Flux, Radiant Intensity, CCT, L*a*b*, L*u*v*, RGB .
|
Spectral Radiance, Luminance, Spectral Irradiance, Illuminance, Spectral Radiant
Flux, Radiant Intensity, CCT, L*a*b*, L*u*v*, RGB, Dominant Wavelength . |
Spectral Radiance, Luminance, Spectral Irradiance, Illuminance, Spectral Radiant
Flux, Radiant Intensity, CCT, L*a*b*, L*u*v*, RGB, Dominant Wavelength . |
Spectral Radiance, Luminance, Spectral Irradiance, Illuminance, Spectral Radiant
Flux, Radiant Intensity, CCT, L*a*b*, L*u*v*, RGB, Dominant Wavelength, Display
Contrast, Response Time (On/Off). |
Spectral Radiance, Luminance, Spectral Irradiance, Illuminance, Spectral Radiant
Flux, Radiant Intensity, CCT
|
Spectral Radiance, Luminance, Spectral Irradiance, Illuminance, Spectral Radiant
Flux, Radiant Intensity, CCT
|
Luminance, Illuminance, luminous intensity, tristimulus colorimetry, CCT, L*a*b*,
L*u*v*,.
|
Luminance, CIE Chromaticity Spot Size, line profile, convergence, Flicker, Jitter,
Geometric Distortion
|
Spectral Radiance, Luminance, Spectral Irradiance, Illuminance, Spectral Radiant
Flux, Radiant Intensity, CCT, L*a*b*, L*u*v*.
|
Luminance, NVIS Radiance, Illuminance, irradiance, CIE chromaticity
|
|
|
|