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

€ 80.35

€ 80.35 Each (ex VAT)

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RS Pro
Light Meter
40000lx
-
-
0lx
-
±5 %
0.1 lx
-
Silicon Photodiode
-
-
Battery
175g
35.6mm
206mm
EN 61340-5-1:2007
RS-92
40°C
-
54mm
0°C
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

€ 373.46

€ 373.46 Each (ex VAT)

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RS Pro
Light Meter
50000lx
-
-
0lx
-
±(4% + 2d)
0.1 Ftc
-
Photodiode
-
-
Battery
335g
180mm
72mm
No
-
50°C
-
32mm
0°C
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

€ 97.26

€ 97.26 Each (ex VAT)

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1€ 97.26
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RS Pro
Light Meter
400000lx
-
-
400lx
-
±3 %
3 lx
-
Photodiode
50h
AAA
Battery
80g
23mm
133mm
EN 61340-5-1:2007
IM720
-
-
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

€ 151.32

€ 151.32 Each (ex VAT)

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

€ 201.31

€ 201.31 Each (ex VAT)

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1€ 201.31
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RS Pro
Light Meter
400000lx
-
-
0lx
-
±3% rdg ±0.5% f.s
0.01 lx
-
Photodiode
400h
AAA
Battery
320g
150mm
72mm
No
ILM1335
40°C
-
35mm
0°C
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

€ 98.68

€ 98.68 Each (ex VAT)

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1€ 98.68
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RS Pro
Light Meter
200000lx
-
-
0.01lx
-
±3 %
0.1 lx
-
Photodiode
200h
-
Battery
250g
135mm
72mm
No
ILM1332A
40°C
-
33mm
0°C
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

€ 138.31

€ 138.31 Each (ex VAT)

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RS Pro
Light Meter
400000lx
-
-
40lx
-
±3 %
-
-
Silicon Photodiode
-
-
Battery
250g
28mm
162mm
JIS C1609:1993 CNS 5519
RS-3809
40°C
-
63mm
5°C
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

€ 109.69

€ 109.69 Each (ex VAT)

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1€ 109.69
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RS Pro
Light Meter
20000lx
-
-
0lx
-
±3 % ±5 Digits
0.01 lx
-
Photodiode
400h
AAA
Battery
320g
35mm
72mm
No
ILM 1337
50°C
-
150mm
0°C
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

€ 389.01

€ 389.01 Each (ex VAT)

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1€ 389.01
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RS Pro
Light Meter
200000lx
-
-
20lx
-
±3 %
-
-
Photodiode
200h
-
Battery
250g
38mm
172mm
EN 61340-5-1:2007
IM203
-
-
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

€ 639.11

€ 639.11 Each (ex VAT)

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RS Pro
Light Meter
99990lx
-
-
-
-
±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
-
72mm
0°C
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

€ 410.86

€ 410.86 Each (ex VAT)

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RS Pro
Luminance Meters
1999lx
-
-
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
-
72mm
0°C
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

€ 117.48

€ 117.48 Each (ex VAT)

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1€ 117.48
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RS Pro
Light Meter
50000lx
-
-
0.01lx
-
±3 % ± 5 Digit
0.001 Ftc
-
Photodiode
100h
AAA
Battery
320g
150mm
72mm
EN 61340-5-1:2007
ILM01
50°C
-
35mm
0°C
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

€ 188.53

€ 188.53 Each (ex VAT)

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1€ 188.53
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RS Pro
Light Meter
400000lx
-
-
-
-
4 %
0.1 lx
-
Photodiode
-
-
Battery
390g
20mm
170mm
CE
RS-8809A
40°C
-
60mm
0°C
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

€ 237.78

€ 237.78 Each (ex VAT)

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1€ 237.78
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RS Pro
Light Meter
20000lx
-
-
0lx
-
±3 % ±5 Digits
0.01 lx
-
Photodiode
400h
AAA
Battery
320g
35mm
72mm
No
ILM 1337
50°C
-
150mm
0°C
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

€ 245.57

€ 245.57 Each (ex VAT)

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1€ 245.57
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RS Pro
Light Meter
50000lx
-
-
0.01lx
-
±3 % ± 5 Digit
0.001 Ftc
-
Photodiode
100h
AAA
Battery
320g
150mm
72mm
EN 61340-5-1:2007
ILM01
50°C
-
35mm
0°C
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

€ 226.77

€ 226.77 Each (ex VAT)

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1€ 226.77
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RS Pro
Light Meter
200000lx
-
-
0.01lx
-
±3 %
0.1 lx
-
Photodiode
200h
-
Battery
250g
135mm
72mm
No
ILM1332A
40°C
-
33mm
0°C
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

€ 329.40

€ 329.40 Each (ex VAT)

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1€ 329.40
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RS Pro
Light Meter
400000lx
-
-
0lx
-
±3% rdg ±0.5% f.s
0.01 lx
-
Photodiode
400h
AAA
Battery
320g
150mm
72mm
No
ILM1335
40°C
-
35mm
0°C
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

€ 501.55

€ 501.55 Each (ex VAT)

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1€ 501.55
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RS Pro
Light Meter
50000lx
-
-
0lx
-
±(4% + 2d)
0.1 Ftc
-
Photodiode
-
-
Battery
335g
180mm
72mm
No
-
50°C
-
32mm
0°C
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

€ 427.94

€ 427.94 Each (ex VAT)

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Extech
Light Meter
100000lx
-
-
0lx
-
±4 %
1 lx
-
-
-
AA
Battery, AC Adapter
16.2oz
7.2in
-
NIST Standards
SDL400
2372°F
-
2.9in
-148°F
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

€ 287.27

€ 287.27 Each (ex VAT)

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1€ 287.27
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Extech
Light Meter
40mW/cm²
-
-
-
-
±5 %
0.01 mW/cm²
-
UV Sensor
-
AAA
Battery
3.2oz
1in
5.2in
CE, FCC, UKCA
UV505
-
-
1.9in
-