Main Specifications of T-10A

Model

Illuminance Meter

T-10A

(Standard receptor head)

Illuminance Meter

 T-10MA

(Mini receptor head

Illuminance Meter

T-10WsA

(Waterproof mini receptor head)

Illuminance Meter

T-10WLA

(Waterproof mini receptor head)

Type

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

Receptor

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).

Measuring

range

Illuminance

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

Linearity

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

Temperature/

humidity drift

Within +/-3%

Measurement speed

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

Computer interface

USB

Printer output

RS-232C

Analog output

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

Display

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

Power

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 40^๐C, relative humidity 85% or less

(at 35^๐C ) with no condensation

5 to 40^๐C, relative humidity 85% or less

(at 35^๐C ) with no condensation

Storage temperature/

Humidity range

-20 to 55^๐C, relative humidity 85% or less

(at 35^๐C ) with no condensation

0 to 55^๐C, relative humidity 85% or less

(at 35^๐C ) 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

Weight

(without battery)

200 g (7.0 oz.)

205 g

260 g (Receptor head only: 120 g)

340 g (Receptor head only: 200 g)