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photometer 540

a light intensity measuring instrument incl. protective cap, batteries and calibration protocol

The sensor of model 540 is adapted to the spectral sensitivity of the eye. This makes the 540 ideal for the measurement of light intensity. The Hold function allows an easy readout of the measurement values. Max. and min. values are displayed at the press of a button. Model 540 is very handy, small and easy to operate.

Features

Hold function and max./min. values
Incl. calibration protocol
Protective cap for safe storage
Including wrist strap and belt holder
Sensor adapted to spectral sensitivity of the eye
Display light
Technical Data
Storage temperature -40 to +70 °C
Operating temperature 0 to +50 °C
Battery type 2 batteries Type AAA
Battery life 200 h
Weight 95 g
Dimensions 133 x 46 x 25 mm

Probe type Lux
Meas. Range 0 to 99.999 Lux
Accuracy ±3 Lux
Resolution 1 Lux (0 to 19.999 Lux)
10 Lux (remaining range)

photometer 545

Model 545, light meter, incl. probe, battery and calibration protocol

The luminous intensity in places of work, hospitals, offices or schools has to fulfil specific minimum values in order to have good quality light. This can be measured and documented efficiently using model 545.

TECHNICAL SPECIFICATIONS
Sensor: silicon photodiode
Measuring. Range: 0 to 100,000 Lux
Accuracy: To DIN 5032, part 6
F1 = 8%
F1 = V ( ) adaption
F2 = 5%
F2 =cos like rating
Resolution: can be switched

0 to 32,000 Lux 1 Lux
0 to 100,000 Lux 10 Lux
Display: 2 line LCD and 2 matrix lines
Battery: 9 V IEC 6F22 lifetime: 50 h Al-Mn
Operating temperature: 0 to + 50° C
Storage temperature: -20 to + 70° C
Dimensions: 220 x 68 x 50 (instrument)
Weight: 500 g (incl. Packaging)

optional

* printer with wireless IRDA and infrared interface,
1 roll of thermal paper and 4 AA batteries (for data print outs on site)
* Transport case (plastic) for measuring instrument, probes, accessories

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