Is it possible to create ASTM traceable haze standards above 30%?

The current, available ASTM D1003 Haze Standards have nominal Haze% values of 1, 5, 10, 20 and 30 with air (transparent solids) or the transmission cell filled with DI water being 0 (transparent liquids). Here are some thoughts on further options. Continue reading

What Fuse Protection is in place with HunterLab Instruments?

UltraScan VIS 3 amp fuse showing unbroken

UltraScan VIS 3 amp fuse

Fuse location beside power cord

Fuse location beside power cord

All HunterLab instruments have fuses built into the main circuitry to protect the instrument against unusual and unexpected changes in voltage that could damage the electrical components.

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Can Power Supplies in HunterLab Instruments be used everywhere?

ColorFlex EZ AC Adaptor and Universal 120/220 Volt Power SupplyFAQ: “We need to take our LabScan XE instrument to Germany for some plant trial testing.  Our machine is a US spectrophotometer 110v unit and, obviously, the power supply in Germany is 220v. The label on the back of the instrument says ‘110v-220v’, which sounds a little ambiguous to me.  Do we need a voltage transformer or can we get away with only using a plug adapter (does not step down current from 220v, only changes plug shape)?  We don’t want to ruin our baby!” Continue reading