Small Portalbe Meter For Curvy Surface Testing , 2 X 2 Measurement Spot

Measuring range:0-199.9Gu

Readout error: +/-1.2Gu

Stability: +/-0.4Gu/30Min

Aperture:60º

Measurement Spot: 2x2

Window Size(mm) : diameter 4mm

Power supply: 1.5V AA

Dimension(mm) 114x32x64

Net weight: 300g

Standards: ISO2812, ASTMD523,GB9754

Features:
1. Small and light, real easy to be carried and used.
2. One 1.5 mignon alkaline Battery can be used for almost 60 hours and 10000 reading.
3. High stability
4. Long-term stable light source needs no replacing for ever.
5. Ouartz crystal standard board, no excursion.