LXP-2
Catalog index: WMXXLXP2
Illuminance Meter
Reliable illuminance measurements with the LXP-2 light meter
Model for people making basic lighting measurements of indoor and outdoor workplaces. The device works with LP-1 measuring probe (class B) which allows to proceed with measurements in a reliable way. The nonintegrated probe eliminates the influence of the user to the measurement result.
Main features
- high resolution up to 0.1 lx
- highly accurate measurements
- measurements of all types of light sources including:
- LEDs lamps,
- incandescent lamps,
- fluorescent lamps,
- electrodeless lamps,
- high and low-pressure lamps
- no need to using correction factors
- photodiodes with filters make the spectral sensitivity characteristics well matched to the requirements of C.I.E.
Product functions
- data-hold for freezing measuring values
- automatic zeroing
- peak-hold for freezing the peak signal of light pulse
- capable of selecting measuring mode in Lux or FC scale
- MAX and MIN results save
- relative mode
- easy to read large backlit display
- USB connection with PC
- built-in memory: 99 points
- 16 000 values records data logger
- auto power off
Specification
The most important features:
- Measurement resolution 0.1 lx (0.01 fc).
- High accuracy and fast response.
- Data-hold function for holding measuring values.
- No need for correction factors calculating for different light sources thanks to a very good fit spectral sensitivity guaranteeing the correct measurement of intensity of the illumination regardless of the nature of radiation,
- Peak-hold function for tracing the peak signal of light pulse with duration longer than 0.4 s for LXP-2) and less than 1 s,
- Capable of selecting measuring mode in Lux or FC scale alternatively.
- Auto power off (5,10 or 15minutes) or disable AUTO power off.
- Maximum and minimum measurements.
- Relative reading.
- Easy to read large backlit display
- USB output connect with PC.
- Four measurement ranges.
- Built-in memory – 99 result, with can be checked in the meter or PC.
- 16000 values records data logger (traceable only in PC)
Illuminance measurement probe LP-1
| Display Range [lx] |
Resolution [lx] |
Spectral uncertainty |
Accuracy |
| 0…399,9 | 0,1 | f1 < 6% | ±(5 % + 5 digits) |
| 400…3999 | 1 | ||
| 4,00 k…19,99 k | 0,01 k |
| Display Range [fc] |
Resolution [fc] |
Spectral uncertainty |
Accuracy |
| 0…39,9 | 0,01 | f1 < 6% | ±(5 % + 5 digits) |
| 40,0…399,9 | 0,1 | ||
| 400…1999 | 1 |
– display result in lx or fc
– meter class B
Rated operational conditions:
- operating temperature and humidity: 0…50°C; 0% to 80% RH,
- storage temperature and humidity: -20…70°C; 0% to 70% RH,
Other technical data:
- display: 3¾ digit LCD with high speed 40 segment bargraph,
- over range indication: „0L” displayed,
- spectral response: CIE photopic (CIE human eye response curve),
- cosine response (f2’) : ±3%,
- sampling rate: 1,3 times/sec,
- power supply: battery 9V or rechargeable battery 8,4 V,
- photo detector: one silicon photo diode and spectral response filter,
- memory: 99 results,
- photo detector lead length: approx. 150cm,
- photo detector dimensions: 115 × 60 × 20mm,
- meter dimensions: 170 × 80 × 40mm,
- weight: 390g,
- data transmission: USB cable.
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