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Illuminance Light Meter “Konica Minolta” Model T-10A

Illuminance Meter


T-10A series




Illuminance meters that conform to JIS AA Class and DIN Class B requirements.


Compatible with new, next-generation light sources including PWM-controlled sources.




Can be used for simple, inexpensive multi-point measurements.


Mini receptor model also available to enable illuminance measurements even in narrow spaces.




Main applications


§  Government testing organizations


§  Research/inspection at illumination equipment makers


§  Maintenance at factories, offices, hospitals, etc.


§  Illuminance control of security lighting, street lighting, etc.


§  As sensor for equipment measuring light-distribution characteristics, etc.




Main Specifications of T-10A



Illuminance Meter


(Standard receptor head)

Illuminance Meter


(Mini receptor head

Illuminance Meter


(Waterproof mini receptor head)

Illuminance Meter


(Waterproof mini receptor head)


Multi-function digital illuminance meter with detachable receptor head

(Multi-point measurements of 2 to 30 points is possible)

Illuminance meter class

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

Conforms to requirements for special

Illuminance meters of JIS C 1609-1:2006


Silicon photocell

Relative spectral responsivity

Within 6% (f1’) of the CIE spectral luminous efficiency V (λ)

Cosine correction characteristics (f2)

Within 3%

Within 10%

Measuring range

Auto range (5 manual ranges at the time of analog output)

Measuring function

Illuminance (lx). Illuminance difference (lx). Illuminance ratio (%). Integrated illuminance (lx· h).

Integration time (h). average illuminance (lx).




0.01 to 299,900 lx; 0.001 to 29,990 fcd

1.00 to 299,900 lx; 0.1 to 29.990 fcd

Integrated illuminance

0.01 to 999,900 x 103 lx· h   0.001 to 99,990 x 103 fcd· h/ 0.001 to 9999 h

User calibration function

CCF (Color Correction Factor) setting function: Measurement value x 0.500 to 2.000


+/-2% +/-1 digit of displayed value


humidity drift

Within +/-3%

Measurement speed

2 times/sec. (continuous measurement with 1 receptor head)

Computer interface


Printer output


Analog output

1 mV/digit, 3V at maximum reading; Output impedance: 10 KΩ; 90% response time: 28 ms


3 or 4 Significant-digit LCD with backlight illumination (Automatic illumination)


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)

Battery performance

72 hours or longer (when alkaline batteries are used) in continuous measurement

Operation temperature/

Humidity range

-10 to 40C, relative humidity 85% or less

(at 35C ) with no condensation

5 to 40C, relative humidity 85% or less

(at 35C ) with no condensation

Storage temperature/

Humidity range

-20 to 55C, relative humidity 85% or less

(at 35C ) with no condensation

0 to 55C, relative humidity 85% or less

(at 35C ) with no condensation

Size (W x D x H)

69 x 174 x 35 mm

Main body: 69 x 161.5 x 30 mm

Receptor: Ø16.5 x 13.8 mm

Cord length


1 m

5 m

10 m


(without battery)

200 g (7.0 oz.)

205 g

260 g (Receptor head only: 120 g)

340 g (Receptor head only: 200 g)

This product was added to our catalog on Tuesday 25 September, 2018.
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Nanomachinery Co., Ltd.
4, Soi Petchkasem 100 ,Phetchkasem Rd. ,Bangkaenue ,Bangkae ,Bangkok, 10160, THAILAND.
Tel : 086-322-6876 ,02-421-9927 ,Fax : 02-809-2591 E-mail : pongthorn@nano-machinery.com
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