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
-
Light Meter
40000lx
0lx
-
±5 %
-
0.1 lx
-
Silicon Photodiode
-
-
Battery
175g
35.6mm
EN 61340-5-1:2007
206mm
RS-92
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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1€ 291.33
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RS Pro
-
Light Meter
50000lx
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

€ 75.86

€ 75.86 Each (ex VAT)

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

€ 118.04

€ 118.04 Each (ex VAT)

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

€ 157.04

€ 157.04 Each (ex VAT)

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1€ 157.04
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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
No
72mm
ILM1335
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
-
Light Meter
200000lx
0.01lx
-
±3 %
-
0.1 lx
-
Photodiode
200h
-
Battery
250g
135mm
No
72mm
ILM1332A
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
-
Light Meter
400000lx
40lx
-
±3 %
-
-
-
Silicon Photodiode
-
-
Battery
250g
28mm
JIS C1609:1993 CNS 5519
162mm
RS-3809
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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1€ 85.57
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RS Pro
-
Light Meter
20000lx
0lx
-
±3 % ±5 Digits
-
0.01 lx
-
Photodiode
400h
AAA
Battery
320g
35mm
No
72mm
ILM 1337
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
-
Light Meter
200000lx
20lx
-
±3 %
-
-
-
Photodiode
200h
-
Battery
250g
38mm
EN 61340-5-1:2007
172mm
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

€ 498.55

€ 498.55 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
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

€ 320.51

€ 320.51 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
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

€ 91.65

€ 91.65 Each (ex VAT)

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RS Pro
-
Light Meter
50000lx
0.01lx
-
±3 % ± 5 Digit
-
0.001 Ftc
-
Photodiode
100h
AAA
Battery
320g
150mm
EN 61340-5-1:2007
72mm
ILM01
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
-
Light Meter
20000lx
0lx
-
±3 % ±5 Digits
-
0.01 lx
-
Photodiode
400h
AAA
Battery
320g
35mm
No
72mm
ILM 1337
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
-
Light Meter
50000lx
0.01lx
-
±3 % ± 5 Digit
-
0.001 Ftc
-
Photodiode
100h
AAA
Battery
320g
150mm
EN 61340-5-1:2007
72mm
ILM01
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
-
Light Meter
200000lx
0.01lx
-
±3 %
-
0.1 lx
-
Photodiode
200h
-
Battery
250g
135mm
No
72mm
ILM1332A
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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1€ 256.95
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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
No
72mm
ILM1335
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
-
Light Meter
50000lx
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

€ 147.07

€ 147.07 Each (ex VAT)

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1€ 147.07
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RS Pro
-
Light Meter
400000lx
-
-
4 %
-
0.1 lx
-
Photodiode
-
-
Battery
390g
20mm
CE
170mm
RS-8809A
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
-
Light Meter
100000lx
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

€ 224.09

€ 224.09 Each (ex VAT)

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