LS331 is a multifunctional flaw detection light meter, specifically designed for non-destructive testing (NDT). The instrument is equipped with high-precision UV filter and professional UV detector. It can simultaneously measures UV power, visible light illuminance, and correlated color temperature (CCT). It meets the standards for non-destructive testing, penetrant testing, and magnetic particle testing.
| Parameter |
Value |
| UV spectral response |
315nm-405nm，λp = 365nm |
| UV power measurement range |
0 - 200000 μW/cm² |
| UV power resolution |
0.1 μW/cm² |
| UV power measurement accuracy |
H<50μW/cm²: ±5μW/cm²，H>=50μW/cm²: ±10%H, (H is the standard value) |
| UV unit options |
μW/cm²(default), mW/cm², W/m² |
| Illuminance measurement range |
0 – 1000000Lx |
| Illuminance resolution |
0.1Lx |
| Illuminance measurement accuracy |
≤±(3%H+2Lx) (H is the standard value, calibrated under CIE standard A light source) |
| Illuminance unit options |
Lx (default), FC |
| Correlated color temperature measurement range |
1000 – 100000K |
| Response time |
<0.7s |
| Test aperture diameter |
Φ21mm |
| Size |
188.5mm*75.2mm*30.3mm (L*W*H) |
| Weight |
About 232g (including batteries) |
| Display |
240*160 dot matrix LCD |
| Power supply |
2 AA alkaline dry batteries |
| Operating environment |
Temperature 0~40℃, Humidity <85%RH |
| Supply voltage |
DC3V |
| Operating current |
20mA |
| Operating power consumption |
60mW |
Features
Designed for NDT lamp, multi-parameter simultaneous measurement
UV power and visible light illuminance, two important parameters of NDT lamp, can be measured at the same time to ensure that the lamp can play an effective role in magnetic particle testing and penetration testing.
Professional UV detector with high-precision UV filter
The UV measurement uses high-precision UV filter and professional UV detector. It almost no response to visible wavelengths, eliminate the impact of other spectral bands on the measurement accuracy. More accurate than ordinary illuminance meter.
High-precision spectral sensor
The instrument is designed with a spectral sensor, and the spectral response matches the V(λ) function. This ensures accurate measurements.
Advanced digital probe technology
The instrument uses advanced digital probe technology, digital signal processing done directly at the probe.This reduces interference and provides excellent measurement accuracy.
Measurement of CCT
Correlated color temperature measurement helps to establish a standardized inspection process, assist in optimizing lighting conditions, improve defect visibility and increase inspection accuracy.
