Testo testo 540 Light Meter, 99999lx

  • RS Stock No. 292-363
  • Mfr. Part No. 0560 0540
  • Manufacturer Testo
Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
COO (Country of Origin): CN
Product Details

Testo 540 pocket-sized lux meter

Innovative measurement technology in a pocket-sized version for testing ambient light conditions.

Range 0 → 99,999 Lux
Hold function, minimum / maximum
Units in lux or footcandles

Measuring range 0 to +99,999 Lux
Resolution 1 Lux (0 to 19,999 Lux)
10 Lux (20,000 to 99,999 Lux)
Accuracy ±(3%+1 digit) (compared to reference)
Operation temperature 0 to 50°C
Battery type / life 2x AAA alkaline / 20h (typical backlight off)
Dimensions 133 x 46 x 25 mm (including protection cap)


Not supplied with calibration certificate

Supplied with

Watch strap, belt holder, protective cap, batteries and instructions.


Selection Guide
Corridors, stairs, etc. 100 / 150 Drawing offices/shops 750//1000
Warehouses, storage bays 100 / 150 Fine bench work 1000//1500
General office work 300 / 500 Fine inspection 1500//3000
Rough bench/machine work 300 / 500 Minute work 3000//5000
Medium bench/machine work 500 / 700    
Attribute Value
Maximum Light Level 99999lx
Minimum Light Level 0lx
Best Accuracy ±3 %
Resolution 1 lx, 10 lx
Battery Life 200 h
Battery Type AAA
Power Source Battery
Dimensions 1.7 x 1 x 5in
Height 5in
Length 1.7in
Maximum Operating Temperature +122°F
Model Number p Testo 540
Width 1in
Minimum Operating Temperature +32°F
35 Within 4 working day(s) (Global stock)
74 Within 4 working day(s) (Global stock)
Price Each
MYR 595.10
Per unit
1 +
Related Products
RS Pro Lux/FC light meter IM-203 is a ...
RS Pro Lux/FC light meter IM-203 is a great value lux/foot-candle light meter. It measures light from visible sources (sun, moon or any light-emitting body) and from equipped fluorescent, metal halide, high-pressure sodium and incandescent sources. To JISC1609:1993 and CNS ...
. Compact and lightweightMeasurement range up to 200 ...
. Compact and lightweightMeasurement range up to 200 000 lux4 ranges/times coveredSpectral sensitivity close to CIE photo pic curveCosine angular correctedAnalog output jack for recordingData holdSensor connected by a 1 m coiled leadDimensions 135 x 72 x 33 mmWeight 250 ...
RS Pro LX-105 is a great value, versatile, ...
RS Pro LX-105 is a great value, versatile, handheld luxmeter with detachable light cell. It can measure daylight, tungsten, fluorescent and mercury light intensity in either lux or foot-candles. Display hold function3 ranges/times coveredAuto power downRS-232 serial interfaceZero adjustmentDual LCD ...
RS Pro digital light meter, ideal for a ...
RS Pro digital light meter, ideal for a variety of industires such as lamp manufacturers, building and interior design. Triple Display, 4-digit LCD reading.LED Color Bin select Function (x,y) or (Tcp,▲uv).User calibration function.User reference value setting function.Illuminance maximum/minimum measurement ...