YOKOGAWA 51001, Руководство пользователя

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Specifications
Class: Conformance to Class A in JIS C 1609-1: 2006
Photoelectric element: Silicon photodiode
Display:
Liquid crystal display (numbers up to 7 digits); with
function and unit display provided; maximum
effective display: 999 + (0 or 0’s to indicate the
number of digit places)
Overrange [OL]
Low battery voltage [
]
Measurement cycle: Twice per second
Measuring ranges: 0.0 to 99.9/999/9,990/99,900/999,000 lx
Automatic/manual selection of range
Accuracy: At 23
°
C
±
2
°
C
If the reading is 3000 lx or less:
±
4% of reading
±
1
(effective minimum digit)
If the reading is greater than 3000 lx:
±
6% of
reading
±
1 (effective minimum digit)
Response time: Automatic range: 5 sec max.; manual range: 2 sec
max.
Characteristics of oblique incident light:
Angle of: 10
° ±
1.5%Deviation from the cosine law
30
° ±
3%
60
° ±
10%
80
° ±
30%
Characteristics of relative visible-spectrum response:
Deviation from the standard spectrum luminous
efficiency fs (JIS C 1609-1): within 9%
Temperature characteristics:
±
5% at 23
°
C reference and a range of -10 to
40
°
C
Humidity characteristics:
±
3%
Recorder output: 1 V
±
5% (fixed range, for each range)
Load resistance: 100 k
Ω
or more
Automatic power-off:
Except when the integral function is working or the
recorder (data) output plug is connected. After the
last key has been pressed, the time set up for
automatic power-off can be prolonged for approxi-
mately 30 minutes. This function can be disabled.