| Measuring
Field: |
Variable
aperture selections of 2o, 1o, 0.2o, 0.1o
|
|
View
Finder Field:
|
5o
|
|
Optical
system:
|
Objective
Lens: f=80mm, F2.5
Eyepiece lens adjustment range: ±5 diopter
|
|
Spectral
Sensitivity Characteristics:
|
Similar
to CIE 1931 color matching functions
|
| Photo
Cell: |
Photomultiplier
Tube |
Measuring
Diameter
(Unit: mmf):
|
|
Field
|
Measuring
distance (m)
|
|
|
| 0.52 |
0.6 |
0.8 |
1 |
2 |
5 |
10 |
| 9.7 |
12.6 |
19.7 |
26.7 |
60.9 |
165 |
350 |
| 4.9 |
6.3 |
9.9 |
13.3 |
30.4 |
82.4 |
175 |
| 1.0 |
1.3 |
2.0 |
2.7 |
6.1 |
16.5 |
35 |
| 0.5 |
0.6 |
1.0 |
1.3 |
3.0 |
8.2 |
17.5 |
|
|
| Measuring
Functions: |
x,
y, L: (x, y) Chromaticity coordinates, (L) Luminance ±
u, v, L: (u, v) Chromaticity coordinates, (L) Luminance ±
Tc: Color temperature and duv; deviation ±
CIE 1976 L*a*b
Eab* ±
CIE 1976 L*u*v
Euv* ±
* ±
means difference between standard value and measured value.
(For example, x,
y,
L
will be given in x, y, L setting)
|
| Display
Intervals: |
FAST
(approx. 2 sec), SLOW (approx. 10 sec) |
| Luminance
Unit: |
Candela
per square meter (cd/m2), Foot-Lambarts (fL) selectable |
Luminance
Measuring Range
(Unit: cd/m2):
|
| Field |
2o |
1o |
0.2o |
0.1o |
| Range
1 |
0.0001
~
0.3
|
0.0004
~
1.2
|
0.01
~
30
|
0.04
~
120
|
| Range
2 |
0.001~
3
|
0.004~
12
|
0.1
~
300
|
0.4
~
1,200
|
| Range
3 |
0.01
~
30
|
0.04
~
120
|
1
~
3,000
|
4
~
12,000
|
| Range
4 |
0.1
~
300
|
0.4
~
1,200
|
10
~
30,000
|
40
~
120,000
|
| Range
5 |
1
~
3,000
|
4
~
12,000
|
100
~
300,000
|
400
~
1,200,000
|
|
| Response
Time (Unit: ms): |
30 |
| Luminance
Accuracy: |
Luminance:
±4% of rdg, ±1 digit (for standard source A+ color filter 23oC ±3oC,
within 65% RH autorange)
Chromaticity: (x, y) within ±0.005 for standard source A, within ±0.01
(O-55, Y-48, T-44, A-73B, IRA-05), within ±0.03 (R-61, B-46, V-44,
G-54)
(Standard light source A+ color filter)
(23oC measuring field 2o, 1cd/m2 or above)
|
| Calibration
Standard: |
Select
either the Topcon calibration standard (Standard light source A, 23oC,
±3o, below 65% RH) or the user's calibration standard |
| Display: |
LCD
20 digits x 4 lines with illumination function |
|
|
| Output |
|
| Digital: |
GP-1B
or RS-232C interface is selected at the time of purchase (*external
computer control is possible) |
| Analog: |
Analog
voltage output proportioned to X2, Y and Z
Response speed varies from 1 to 30 ms depending on the range used
|
| Power
Supply: |
AC
adapter
AD-4012JP (Insert plug)
AD-4012US (Ground type 2 poles insert connector)
AD-4012EX (Double ground 2 pin plug for class 1 instrument)
Purchase at the same time
|
| Operating
Requirements: |
Temperature:
0 ~ 40oC
Humidity: below 85% RH
|
| External
Dimensions: |
355
(L) x 130 (W) x 169 (H) mm |
| Weight: |
4
kg (main unit only) |
| Range: |
Auto
/ Manual 5 steps |