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-8809A Light Meter, 4 %
RS PRO RS-8809A Light Meter, 4 %
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RS Stock No.: 200-3701Brand: RS PROHSN Code: 90278990

SR 1,099.96

SR 1,099.96 Each (ex VAT)

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RS Pro
-
-
4 %
0.1 lx
Photodiode
-
9V
390g
Accurate, Data Hold, Instant Response
20mm
170mm
+40°C
RS-8809A
RS-8809A
60mm
-
0°C
RS PRO RS-92 Light Meter, 0lx to 40000lx, ±5 %
RS PRO RS-92 Light Meter, 0lx to 40000lx, ±5 %
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RS Stock No.: 155-8901Brand: RS PROHSN Code: 90273000

SR 449.34

SR 449.34 Each (ex VAT)

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RS Pro
40000lx
0lx
±5 %
0.1 lx
Silicon Photo Diode
-
9V
175g
Easy Transfer of Measuring Data to User Smart Phone
35.6mm
206mm
+40°C
RS-92
RS-92
54mm
30404005
0°C
RS PRO Light Meter
RS PRO Light Meter
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RS Stock No.: 123-8776Brand: RS PROHSN Code: 90278990

SR 2,050.23

SR 2,050.23 Each (ex VAT)

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RS Pro
-
-
-
-
-
-
-
-
Memory Recall Button, Push Button 4 Light Type Select
180mm
72mm
-
-
-
32mm
-
-
RS PRO IM720 Light Meter, 400lx to 400000lx, ±3 %
RS PRO IM720 Light Meter, 400lx to 400000lx, ±3 %
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RS Stock No.: 106-5311Brand: RS PROHSN Code: 90278990

SR 538.14

SR 538.14 Each (ex VAT)

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RS Pro
400000lx
400lx
±3 %
3 lx
Photodiode
-
AAA
80g
-
23mm
133mm
-
IM720
IM720
48mm
-
-
RS PRO ILM201L Light Meter, ±3 (Incandescent) %
RS PRO ILM201L Light Meter, ±3 (Incandescent) %
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RS Stock No.: 124-0938Brand: RS PROHSN Code: 90278910

SR 844.05

SR 844.05 Each (ex VAT)

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RS Pro
-
-
±3 (Incandescent) %
-
Photodiode
-
-
250g
Manual Ranging, Manual Zero Adjustment, Max Hold
130mm
55mm
-
ILM201L
ILM201L
38mm
30403875
-
RS PRO ILM1335 Light Meter, 0lx to , ±3% rdg ±0.5% f.s
RS PRO ILM1335 Light Meter, 0lx to , ±3% rdg ±0.5% f.s
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RS Stock No.: 123-2221Brand: RS PROHSN Code: 90278910

SR 1,125.59

SR 1,125.59 Each (ex VAT)

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1SR 1,125.59
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RS Pro
-
0lx
±3% rdg ±0.5% f.s
0.01 lx
Photodiode
400 h
AAA
320g
Accurate, Auto Power Off Function, Data Hold, Instant Response, Peak Hold Function, Relative Function
150mm
72mm
+40°C
ILM1335
ILM1335
35mm
30405193
0°C
RS PRO ILM1332A Light Meter, 0.01lx to 200000lx, ±3 %
RS PRO ILM1332A Light Meter, 0.01lx to 200000lx, ±3 %
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RS Stock No.: 123-2220Brand: RS PROHSN Code: 90278990

SR 558.29

SR 558.29 Each (ex VAT)

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RS Pro
200000lx
0.01lx
±3 %
0.1 lx
Photodiode
200 h
9V
250g
Accurate, Data Hold, Instant Response
135mm
72mm
+40°C
-
ILM1332A
33mm
30405192
0°C
RS PRO RS-3809 Light Meter, 40lx to 400000lx, ±3 %
RS PRO RS-3809 Light Meter, 40lx to 400000lx, ±3 %
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RS Stock No.: 146-9083Brand: RS PROHSN Code: 90273000

SR 771.87

SR 771.87 Each (ex VAT)

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RS Pro
400000lx
40lx
±3 %
-
Silicon Photo Diode
-
9V
250g
-
28mm
162mm
-
-
RS-3809
63mm
-
-
RS PRO ILM 1337 Light Meter, ±3 % ±5 Digits
RS PRO ILM 1337 Light Meter, ±3 % ±5 Digits
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RS Stock No.: 123-2222Brand: RS PROHSN Code: 90278990

SR 624.84

SR 624.84 Each (ex VAT)

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RS Pro
-
-
±3 % ±5 Digits
0.01 lx
-
400 h
AAA
320g
Accurate, Data Hold, Instant Response
35mm
72mm
+50°C
ILM 1337
ILM 1337
150mm
30403854
0°C
RS PRO IM203 Light Meter, 20lx to 200000lx, ±3 %
RS PRO IM203 Light Meter, 20lx to 200000lx, ±3 %
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RS Stock No.: 106-5312Brand: RS PROHSN Code: 90251180

SR 2,155.42

SR 2,155.42 Each (ex VAT)

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1SR 2,155.42
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RS Pro
200000lx
20lx
±3 %
-
Photodiode
-
-
250g
Data Logging, USB Interface
38mm
172mm
-
IM203
IM203
55mm
30402567
-
RS PRO Light Meter, 0.01 fc, 0.1 lx to 99990lx, ±0.02 (XY/800 lx % @ Standard Illuminant A Measured), ±3 (EV
RS PRO Light Meter, 0.01 fc, 0.1 lx to 99990lx, ±0.02 (XY/800 lx % @ Standard Illuminant A Measured), ±3 (EV
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RS Stock No.: 146-4652Brand: RS PROHSN Code: 90279000

SR 3,549.83

SR 3,549.83 Each (ex VAT)

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1SR 3,549.83
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RS Pro
99990lx
0.01 fc, 0.1 lx
±0.02 (XY/800 lx % @ Standard Illuminant A Measured), ±3 (EV Linerarity) %
-
-
50 h
AAA
345g
-
35mm
150mm
+50°C
-
-
72mm
30405284
0°C
RS PRO Luminance Meters, 9.999 fL, 9.999 cd/m² to 1999lx, ±3 (Calibrated to Standard Incandescent Lamp (2856 K % @
RS PRO Luminance Meters, 9.999 fL, 9.999 cd/m² to 1999lx, ±3 (Calibrated to Standard Incandescent Lamp (2856 K % @
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RS Stock No.: 146-4653Brand: RS PROHSN Code: 90278990

SR 2,310.40

SR 2,310.40 Each (ex VAT)

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1SR 2,310.40
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RS Pro
1999lx
9.999 fL, 9.999 cd/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
-
50 h
AAA
345g
-
35mm
150mm
+50°C
-
-
72mm
-
0°C
RS PRO ILM01 Light Meter, 0.01lx to , ±3 % ± 5 Digit
RS PRO ILM01 Light Meter, 0.01lx to , ±3 % ± 5 Digit
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RS Stock No.: 123-2223Brand: RS PROHSN Code: 90278990

SR 668.55

SR 668.55 Each (ex VAT)

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1SR 668.55
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RS Pro
-
0.01lx
±3 % ± 5 Digit
-
Photodiode
100 h
AAA
320g
Accurate, Auto Power Off Function, Data Hold, Instant Response, Point Average Function
150mm
72mm
+50°C
ILM01
ILM01
35mm
30403855
0°C
RS PRO ILM 1337 Light Meter, ±3 % ±5 Digits, With RS Calibration
RS PRO ILM 1337 Light Meter, ±3 % ±5 Digits, With RS Calibration
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RS Stock No.: 123-2258Brand: RS PROHSN Code: 90278990

SR 1,344.07

SR 1,344.07 Each (ex VAT)

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1SR 1,344.07
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RS Pro
-
-
±3 % ±5 Digits
0.01 lx
-
400 h
AAA
320g
Accurate, Data Hold, Instant Response
35mm
72mm
+50°C
-
ILM 1337
150mm
-
0°C
RS PRO ILM01 Light Meter, 0.01lx to , ±3 % ± 5 Digit, With RS Calibration
RS PRO ILM01 Light Meter, 0.01lx to , ±3 % ± 5 Digit, With RS Calibration
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RS Stock No.: 123-2272Brand: RS PROHSN Code: 90278990

SR 1,386.34

SR 1,386.34 Each (ex VAT)

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1SR 1,386.34
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RS Pro
-
0.01lx
±3 % ± 5 Digit
-
Photodiode
100 h
AAA
320g
Accurate, Auto Power Off Function, Data Hold, Instant Response, Point Average Function
150mm
72mm
+50°C
-
ILM01
35mm
-
0°C
RS PRO ILM1332A Light Meter, 0.01lx to 200000lx, ±3 %, With RS Calibration
RS PRO ILM1332A Light Meter, 0.01lx to 200000lx, ±3 %, With RS Calibration
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RS Stock No.: 123-2360Brand: RS PROHSN Code: 90278990

SR 1,272.06

SR 1,272.06 Each (ex VAT)

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1SR 1,272.06
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RS Pro
200000lx
0.01lx
±3 %
0.1 lx
Photodiode
200 h
9V
250g
Accurate, Data Hold, Instant Response
135mm
72mm
+40°C
-
ILM1332A
33mm
-
0°C
RS PRO ILM1335 Light Meter, 0lx to , ±3 % ± 0.5 Digit %, With RS Calibration
RS PRO ILM1335 Light Meter, 0lx to , ±3 % ± 0.5 Digit %, With RS Calibration
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RS Stock No.: 123-2375Brand: RS PROHSN Code: 90278990

SR 1,825.62

SR 1,825.62 Each (ex VAT)

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1SR 1,825.62
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RS Pro
-
0lx
±3 % ± 0.5 Digit %
0.01 lx
Photodiode
400 h
AAA
320g
Accurate, Auto Power Off Function, Data Hold, Instant Response, Peak Hold Function, Relative Function
150mm
72mm
+40°C
-
ILM1335
35mm
-
0°C
RS PRO Light Meter, With RS Calibration
RS PRO Light Meter, With RS Calibration
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RS Stock No.: 123-8792Brand: RS PROHSN Code: 90303100

SR 2,826.39

SR 2,826.39 Each (ex VAT)

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1SR 2,826.39
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RS Pro
-
-
-
-
-
-
-
-
Memory Recall Button, Push Button 4 Light Type Select
180mm
72mm
-
-
-
32mm
-
-
Extech LT250W Light Meter, 0lx to 100000lx, ±4 %
Extech LT250W Light Meter, 0lx to 100000lx, ±4 %
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RS Stock No.: 102-505Brand: ExtechManufacturers Part No.: LT250WHSN Code: 90278990

SR 768.81

SR 768.81 Each (ex VAT)

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Extech
100000lx
0lx
±4 %
100 lx
-
-
-
-
-
-
-
-
LT250W
LT250W
-
-
-
Extech SDL400 Light Meter, 0lx to 100000lx, ±4 %
Extech SDL400 Light Meter, 0lx to 100000lx, ±4 %
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RS Stock No.: 100-047Brand: ExtechManufacturers Part No.: SDL400HSN Code: 90278990

SR 2,168.26

SR 2,168.26 Each (ex VAT)

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Extech
100000lx
0lx
±4 %
1 lx
-
-
-
-
-
-
-
-
SDL400
SDL400
-
-
-