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

€ 62.68

€ 62.68 Each (ex VAT)

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RS Pro
-
40000lx
Light Meter
-
0lx
-
±5 %
0.1 lx
-
Silicon Photodiode
-
-
Battery
175g
35.6mm
RS-92
206mm
EN 61340-5-1:2007
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

€ 291.33

€ 291.33 Each (ex VAT)

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RS Pro
-
50000lx
Light Meter
-
0lx
-
±(4% + 2d)
0.1 Ftc
-
Photodiode
-
-
Battery
335g
180mm
-
72mm
No
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

€ 75.86

€ 75.86 Each (ex VAT)

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RS Pro
-
400000lx
Light Meter
-
400lx
-
±3 %
3 lx
-
Photodiode
50h
AAA
Battery
80g
23mm
IM720
133mm
EN 61340-5-1:2007
-
-
-
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

€ 118.04

€ 118.04 Each (ex VAT)

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RS Pro
-
200000lx
Light Meter
-
200lx
-
±3 (Incandescent) %
-
-
Photodiode
-
-
Battery
250g
130mm
ILM201L
55mm
EN 61340-5-1:2007
-
-
-
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

€ 157.04

€ 157.04 Each (ex VAT)

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1€ 157.04
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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
ILM1335
72mm
No
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

€ 76.98

€ 76.98 Each (ex VAT)

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1€ 76.98
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RS Pro
-
200000lx
Light Meter
-
0.01lx
-
±3 %
0.1 lx
-
Photodiode
200h
-
Battery
250g
135mm
ILM1332A
72mm
No
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

€ 107.89

€ 107.89 Each (ex VAT)

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RS Pro
-
400000lx
Light Meter
-
40lx
-
±3 %
-
-
Silicon Photodiode
-
-
Battery
250g
28mm
RS-3809
162mm
JIS C1609:1993 CNS 5519
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

€ 85.57

€ 85.57 Each (ex VAT)

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RS Pro
-
20000lx
Light Meter
-
0lx
-
±3 % ±5 Digits
0.01 lx
-
Photodiode
400h
AAA
Battery
320g
35mm
ILM 1337
72mm
No
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

€ 303.46

€ 303.46 Each (ex VAT)

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1€ 303.46
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RS Pro
-
200000lx
Light Meter
-
20lx
-
±3 %
-
-
Photodiode
200h
-
Battery
250g
38mm
IM203
172mm
EN 61340-5-1:2007
-
-
-
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

€ 498.55

€ 498.55 Each (ex VAT)

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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
-
150mm
No
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

€ 320.51

€ 320.51 Each (ex VAT)

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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
-
150mm
No
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

€ 91.65

€ 91.65 Each (ex VAT)

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RS Pro
-
50000lx
Light Meter
-
0.01lx
-
±3 % ± 5 Digit
0.001 Ftc
-
Photodiode
100h
AAA
Battery
320g
150mm
ILM01
72mm
EN 61340-5-1:2007
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

€ 185.49

€ 185.49 Each (ex VAT)

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1€ 185.49
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RS Pro
-
20000lx
Light Meter
-
0lx
-
±3 % ±5 Digits
0.01 lx
-
Photodiode
400h
AAA
Battery
320g
35mm
ILM 1337
72mm
No
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

€ 191.56

€ 191.56 Each (ex VAT)

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1€ 191.56
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RS Pro
-
50000lx
Light Meter
-
0.01lx
-
±3 % ± 5 Digit
0.001 Ftc
-
Photodiode
100h
AAA
Battery
320g
150mm
ILM01
72mm
EN 61340-5-1:2007
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

€ 176.89

€ 176.89 Each (ex VAT)

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1€ 176.89
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RS Pro
-
200000lx
Light Meter
-
0.01lx
-
±3 %
0.1 lx
-
Photodiode
200h
-
Battery
250g
135mm
ILM1332A
72mm
No
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

€ 256.95

€ 256.95 Each (ex VAT)

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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
ILM1335
72mm
No
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

€ 391.24

€ 391.24 Each (ex VAT)

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1€ 391.24
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RS Pro
-
50000lx
Light Meter
-
0lx
-
±(4% + 2d)
0.1 Ftc
-
Photodiode
-
-
Battery
335g
180mm
-
72mm
No
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

€ 147.07

€ 147.07 Each (ex VAT)

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1€ 147.07
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RS Pro
-
400000lx
Light Meter
-
-
-
4 %
0.1 lx
-
Photodiode
-
-
Battery
390g
20mm
RS-8809A
170mm
CE
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

€ 333.82

€ 333.82 Each (ex VAT)

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Extech
-
100000lx
Light Meter
-
0lx
-
±4 %
1 lx
-
-
-
AA
Battery, AC Adapter
16.2oz
7.2in
SDL400
-
NIST Standards
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

€ 224.09

€ 224.09 Each (ex VAT)

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