AVAILABLE from AMS Technical Services , EXTECH's model EA30 measures from 40 to 40,000Fc (40 to 400,000Lux) and model EA31 measures from 20 to 20,000Fc (20 to 200,000Lux).
Both provide measurements with 0.01 resolution and 3% basic accuracy. Readings are easily seen on the large LCD with low battery and over range indications. Measurements are cosine and colour corrected.
The remote sensor with protective cover incorporates a precision silicon photo diode. Other features include data hold, min/max readings, and auto power off.
In addition, model EA30 features a bar graph in its display, peak hold to capture short light pulses to 100µsec, and a relative function for zero or difference from reference value.
The units are supplied complete with built-in stands, remote sensors with protective covers, protective holsters, and six AAA batteries each. Models EA30 and EA31 have dimensions 150x72x33mm and weigh 235g.