Light Meters

Light meters, sometimes referred to as lux meters, are instruments that measure light levels or light pollution. You can find out more in our guide to light meters.

How is light measured?

Light can be measured in different ways with different light measurement instruments:

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RS PRO RS-92 Light Meter, 0lx to 40000 lx, ±5 %
RS PRO RS-92 Light Meter, 0lx to 40000 lx, ±5 %
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RS Stock No.: 155-8901Brand: RS PRO

€ 82.88

€ 82.88 Each (Exc. Vat)

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RS Pro
40000lx
Light Meter
-
0lx
-
-
±5 %
0.1 lx
Silicon Photodiode
-
-
-
Battery
175g
35.6mm
EN 61340-5-1:2007
RS-92
206mm
40°C
-
0°C
54mm
RS PRO Light Meter, 0lx to 50000 lx, ±(4% + 2d)
RS PRO Light Meter, 0lx to 50000 lx, ±(4% + 2d)
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RS Stock No.: 123-8776Brand: RS PRO

€ 384.78

€ 384.78 Each (Exc. Vat)

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1€ 384.78
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RS Pro
50000lx
Light Meter
-
0lx
-
-
±(4% + 2d)
0.1 Ftc
Photodiode
-
-
-
Battery
335g
180mm
No
-
72mm
50°C
-
0°C
32mm
RS PRO IM720 Light Meter, 400lx to 400000 lx, ±3 %
RS PRO IM720 Light Meter, 400lx to 400000 lx, ±3 %
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RS Stock No.: 106-5311Brand: RS PRO

€ 99.82

€ 99.82 Each (Exc. Vat)

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1€ 99.82
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RS Pro
400000lx
Light Meter
-
400lx
-
-
±3 %
3 lx
Photodiode
-
50h
AAA
Battery
80g
23mm
EN 61340-5-1:2007
IM720
133mm
-
-
-
48mm
RS PRO ILM201L Light Meter, 200lx to 200000 lx, ±3 (Incandescent) %
RS PRO ILM201L Light Meter, 200lx to 200000 lx, ±3 (Incandescent) %
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RS Stock No.: 124-0938Brand: RS PRO

€ 156.09

€ 156.09 Each (Exc. Vat)

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1€ 156.09
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RS Pro
200000lx
Light Meter
-
200lx
-
-
±3 (Incandescent) %
-
Photodiode
-
-
-
Battery
250g
130mm
EN 61340-5-1:2007
ILM201L
55mm
-
-
-
38mm
RS PRO ILM1335 Light Meter, 0lx to 400000 lx, ±3% rdg ±0.5% f.s
RS PRO ILM1335 Light Meter, 0lx to 400000 lx, ±3% rdg ±0.5% f.s
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RS Stock No.: 123-2221Brand: RS PRO

€ 206.91

€ 206.91 Each (Exc. Vat)

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1€ 206.91
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RS Pro
400000lx
Light Meter
-
0lx
-
-
±3% rdg ±0.5% f.s
0.01 lx
Photodiode
-
400h
AAA
Battery
320g
150mm
No
ILM1335
72mm
40°C
-
0°C
35mm
RS PRO ILM1332A Light Meter, 0.01lx to 200000 lx, ±3 %
RS PRO ILM1332A Light Meter, 0.01lx to 200000 lx, ±3 %
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RS Stock No.: 123-2220Brand: RS PRO

€ 101.64

€ 101.64 Each (Exc. Vat)

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1€ 101.64
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RS Pro
200000lx
Light Meter
-
0.01lx
-
-
±3 %
0.1 lx
Photodiode
-
200h
-
Battery
250g
135mm
No
ILM1332A
72mm
40°C
-
0°C
33mm
RS PRO RS-3809 Light Meter, 40lx to 400000 lx, ±3 %
RS PRO RS-3809 Light Meter, 40lx to 400000 lx, ±3 %
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RS Stock No.: 146-9083Brand: RS PRO

€ 142.78

€ 142.78 Each (Exc. Vat)

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1€ 142.78
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RS Pro
400000lx
Light Meter
-
40lx
-
-
±3 %
-
Silicon Photodiode
-
-
-
Battery
250g
28mm
JIS C1609:1993 CNS 5519
RS-3809
162mm
40°C
-
5°C
63mm
RS PRO ILM 1337 Light Meter, 0lx to 20000 lx, ±3 % ±5 Digits
RS PRO ILM 1337 Light Meter, 0lx to 20000 lx, ±3 % ±5 Digits
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RS Stock No.: 123-2222Brand: RS PRO

€ 113.14

€ 113.14 Each (Exc. Vat)

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1€ 113.14
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RS Pro
20000lx
Light Meter
-
0lx
-
-
±3 % ±5 Digits
0.01 lx
Photodiode
-
400h
AAA
Battery
320g
35mm
No
ILM 1337
72mm
50°C
-
0°C
150mm
RS PRO IM203 Light Meter, 20lx to 200000 lx, ±3 %
RS PRO IM203 Light Meter, 20lx to 200000 lx, ±3 %
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RS Stock No.: 106-5312Brand: RS PRO

€ 400.51

€ 400.51 Each (Exc. Vat)

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1€ 400.51
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RS Pro
200000lx
Light Meter
-
20lx
-
-
±3 %
-
Photodiode
-
200h
-
Battery
250g
38mm
EN 61340-5-1:2007
IM203
172mm
-
-
-
55mm
RS PRO Light Meter 99990 lx, ±0.02 % (XY/800 lx Standard Illuminant), ±0.02 (XY/800 lx % @ Standard Illuminant A
RS PRO Light Meter 99990 lx, ±0.02 % (XY/800 lx Standard Illuminant), ±0.02 (XY/800 lx % @ Standard Illuminant A
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RS Stock No.: 146-4652Brand: RS PRO

€ 659.45

€ 659.45 Each (Exc. Vat)

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1€ 659.45
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RS Pro
99990lx
Light Meter
-
-
-
-
±0.02 % (XY/800 lx Standard Illuminant), ±0.02 (XY/800 lx % @ Standard Illuminant A Measured), ±3 (EV Linerarity) %, ±3 % (EV Linerarity)
-
Silicon Photocell
-
50h
AAA
Battery
345g
35mm
No
-
150mm
50°C
-
0°C
72mm
RS PRO Luminance Meters, 9.999cd/m² to 1999 lx, ±3 (Calibrated to Standard Incandescent Lamp (2856 K % @ +25°C or
RS PRO Luminance Meters, 9.999cd/m² to 1999 lx, ±3 (Calibrated to Standard Incandescent Lamp (2856 K % @ +25°C or
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RS Stock No.: 146-4653Brand: RS PRO

€ 422.29

€ 422.29 Each (Exc. Vat)

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1€ 422.29
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RS Pro
1999lx
Luminance Meters
-
9.999cd/m²
-
-
±3 (Calibrated to Standard Incandescent Lamp (2856 K % @ +25°C or +77°F)), ±5 (Calibrated to Standard Incandescent Lamp (2856 K % @ +25°C or+77°F))
0.01 lx
Single Primary
-
50h
AAA
Battery
345g
35mm
No
-
150mm
50°C
-
0°C
72mm
RS PRO ILM01 Light Meter, 0.01lx to 50000 lx, ±3 % ± 5 Digit
RS PRO ILM01 Light Meter, 0.01lx to 50000 lx, ±3 % ± 5 Digit
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RS Stock No.: 123-2223Brand: RS PRO

€ 121.00

€ 121.00 Each (Exc. Vat)

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1€ 121.00
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RS Pro
50000lx
Light Meter
-
0.01lx
-
-
±3 % ± 5 Digit
0.001 Ftc
Photodiode
-
100h
AAA
Battery
320g
150mm
EN 61340-5-1:2007
ILM01
72mm
50°C
-
0°C
35mm
RS PRO ILM 1337 Light Meter, 0lx to 20000 lx, ±3 % ±5 Digits, RSCAL
RS PRO ILM 1337 Light Meter, 0lx to 20000 lx, ±3 % ±5 Digits, RSCAL
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RS Stock No.: 123-2258Brand: RS PRO

€ 244.42

€ 244.42 Each (Exc. Vat)

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1€ 244.42
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RS Pro
20000lx
Light Meter
-
0lx
-
-
±3 % ±5 Digits
0.01 lx
Photodiode
-
400h
AAA
Battery
320g
35mm
No
ILM 1337
72mm
50°C
-
0°C
150mm
RS PRO ILM01 Light Meter, 0.01lx to 50000 lx, ±3 % ± 5 Digit, RSCAL
RS PRO ILM01 Light Meter, 0.01lx to 50000 lx, ±3 % ± 5 Digit, RSCAL
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RS Stock No.: 123-2272Brand: RS PRO

€ 252.89

€ 252.89 Each (Exc. Vat)

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1€ 252.89
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RS Pro
50000lx
Light Meter
-
0.01lx
-
-
±3 % ± 5 Digit
0.001 Ftc
Photodiode
-
100h
AAA
Battery
320g
150mm
EN 61340-5-1:2007
ILM01
72mm
50°C
-
0°C
35mm
RS PRO ILM1332A Light Meter, 0.01lx to 200000 lx, ±3 %, RSCAL
RS PRO ILM1332A Light Meter, 0.01lx to 200000 lx, ±3 %, RSCAL
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RS Stock No.: 123-2360Brand: RS PRO

€ 233.53

€ 233.53 Each (Exc. Vat)

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1€ 233.53
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RS Pro
200000lx
Light Meter
-
0.01lx
-
-
±3 %
0.1 lx
Photodiode
-
200h
-
Battery
250g
135mm
No
ILM1332A
72mm
40°C
-
0°C
33mm
RS PRO ILM1335 Light Meter, 0lx to 400000 lx, ±3% rdg ±0.5% f.s, RSCAL
RS PRO ILM1335 Light Meter, 0lx to 400000 lx, ±3% rdg ±0.5% f.s, RSCAL
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RS Stock No.: 123-2375Brand: RS PRO

€ 338.80

€ 338.80 Each (Exc. Vat)

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1€ 338.80
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RS Pro
400000lx
Light Meter
-
0lx
-
-
±3% rdg ±0.5% f.s
0.01 lx
Photodiode
-
400h
AAA
Battery
320g
150mm
No
ILM1335
72mm
40°C
-
0°C
35mm
RS PRO Light Meter, 0lx to 50000 lx, ±(4% + 2d), RSCAL
RS PRO Light Meter, 0lx to 50000 lx, ±(4% + 2d), RSCAL
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RS Stock No.: 123-8792Brand: RS PRO

€ 515.46

€ 515.46 Each (Exc. Vat)

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1€ 515.46
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RS Pro
50000lx
Light Meter
-
0lx
-
-
±(4% + 2d)
0.1 Ftc
Photodiode
-
-
-
Battery
335g
180mm
No
-
72mm
50°C
-
0°C
32mm
RS PRO RS-8809A Light Meter 400000 lx, 4 %
RS PRO RS-8809A Light Meter 400000 lx, 4 %
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RS Stock No.: 200-3701Brand: RS PRO

€ 193.60

€ 193.60 Each (Exc. Vat)

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1€ 193.60
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RS Pro
400000lx
Light Meter
-
-
-
-
4 %
0.1 lx
Photodiode
-
-
-
Battery
390g
20mm
CE
RS-8809A
170mm
40°C
-
0°C
60mm
Extech SDL400 Light Meter, 0lx to 100000 lx, ±4 %
Extech SDL400 Light Meter, 0lx to 100000 lx, ±4 %
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RS Stock No.: 100-047Brand: ExtechManufacturers Part No.: SDL400

€ 385.99

€ 385.99 Each (Exc. Vat)

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1€ 385.99
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Extech
100000lx
Light Meter
-
0lx
-
-
±4 %
1 lx
-
-
-
AA
Battery, AC Adapter
16.2oz
7.2in
NIST Standards
SDL400
-
2372°F
-
-148°F
2.9in
Extech UV505 Light Meter 40 mW/cm², ±5 %
Extech UV505 Light Meter 40 mW/cm², ±5 %
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RS Stock No.: 100-051Brand: ExtechManufacturers Part No.: UV505

€ 246.84

€ 246.84 Each (Exc. Vat)

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1€ 246.84
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Extech
40mW/cm²
Light Meter
-
-
-
-
±5 %
0.01 mW/cm²
UV Sensor
-
-
AAA
Battery
3.2oz
1in
CE, FCC, UKCA
UV505
5.2in
-
-
-
1.9in