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Illuminance Meter
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T-10A series
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Illuminance
meters that conform to JIS AA Class and DIN Class B requirements.
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Compatible
with new, next-generation light sources including PWM-controlled sources.
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Can
be used for simple, inexpensive multi-point measurements.
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Mini
receptor model also available to enable illuminance measurements even in
narrow spaces.
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Main applications
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§ Government
testing organizations
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§ Research/inspection
at illumination equipment makers
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§ Maintenance
at factories, offices, hospitals, etc.
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§ Illuminance
control of security lighting, street lighting, etc.
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§ As sensor
for equipment measuring light-distribution characteristics, etc.
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Main Specifications of T-10A
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Model
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Illuminance
Meter
T-10A
(Standard
receptor head)
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Illuminance
Meter
T-10MA
(Mini
receptor head
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Illuminance
Meter
T-10WsA
(Waterproof
mini receptor head)
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Illuminance
Meter
T-10WLA
(Waterproof
mini receptor head)
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Type
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Multi-function digital illuminance meter with detachable
receptor head
(Multi-point measurements of 2 to 30 points is possible)
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Illuminance
meter class
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Conforms
to requirements for Class AA of JIS
C
1609-1:2006 *Illuminance meters Part 1:
General
measuring instruments*
Conforms
to DIN 5032 Part 7 Class B
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Conforms
to requirements for special
Illuminance
meters of JIS C 1609-1:2006
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Receptor
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Silicon photocell
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Relative
spectral responsivity
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Within
6% (f1’) of the CIE spectral luminous efficiency V (λ)
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Cosine correction characteristics (f2)
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Within 3%
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Within 10%
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Measuring
range
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Auto
range (5 manual ranges at the time of analog output)
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Measuring function
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Illuminance (lx). Illuminance difference (lx). Illuminance
ratio (%). Integrated illuminance (lx· h).
Integration time (h). average
illuminance (lx).
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Measuring
range
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Illuminance
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0.01
to 299,900 lx; 0.001 to 29,990 fcd
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1.00
to 299,900 lx; 0.1 to 29.990 fcd
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Integrated
illuminance
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0.01
to 999,900 x 103 lx· h
0.001 to 99,990 x 103
fcd· h/ 0.001 to 9999 h
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User calibration function
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CCF (Color Correction Factor) setting function: Measurement
value x 0.500 to 2.000
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Linearity
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+/-2%
+/-1 digit of displayed value
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Temperature/
humidity drift
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Within +/-3%
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Measurement
speed
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2
times/sec. (continuous measurement with 1 receptor head)
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Computer interface
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USB
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Printer
output
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RS-232C
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Analog output
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1 mV/digit, 3V at maximum reading; Output impedance: 10 KΩ;
90% response time: 28 ms
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Display
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3
or 4 Significant-digit LCD with backlight illumination (Automatic
illumination)
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Power
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2 AA-size batteries/ AC adapter AC-A308 (optional; for 1 to 10
receptors) or
AC adapter AC-A311 (optional; for 1 to 30 receptors)
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Battery
performance
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72
hours or longer (when alkaline batteries are used) in continuous measurement
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Operation temperature/
Humidity range
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-10 to 40๐C,
relative humidity 85% or less
(at 35๐C
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5 to 40๐C,
relative humidity 85% or less
(at 35๐C
) with no condensation
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Storage
temperature/
Humidity
range
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-20
to 55๐C,
relative humidity 85% or less
(at
35๐C ) with
no condensation
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0
to 55๐C,
relative humidity 85% or less
(at
35๐C ) with
no condensation
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Size (W x D x H)
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69 x 174 x 35 mm
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Main body: 69 x 161.5 x 30 mm
Receptor: Ø16.5 x 13.8 mm
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Cord
length
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-
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1
m
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5
m
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10
m
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Weight
(without battery)
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200 g (7.0 oz.)
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205 g
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260 g (Receptor head only: 120 g)
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340 g (Receptor head only: 200 g)
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