Monitor visible light levels anywhere with fast, stable and accurate response. Results are easily read on the extra large LCD (11/2" high, 38.1mm) with bar graph, low battery and over range indication...

Measure visible light levels anywhere with fast, stable and accurate response. Results are easily read on the extra large LCD display (7/8" high, 22mm) that also indicates when the battery is low...

This is the *WORLD'S SMALLEST* Light Meter! This tiny light meter is less than ¾” thick, weighing only 4 oz. (120 g) and is easily carried in a shirt pocket. The controls, display and sensor are al...

Monitor light levels anywhere with fast, stable and accurate response. Results are easily read on the extra large digits (7/8" high, 22mm) that also indicates when the battery is low or the reading ov...

Monitor light levels anywhere with fast, stable and accurate response. Results are easily read on the extra large LCD (11/2" high, 38.1mm) with bar graph, low battery and over range indications. The c...

Automatically records up to 16,000 data points in the field along with time and date. These can later be downloaded to a computer via the light meter’s RS232 port and the results viewed instantly on...

Air speed Humidity Light Temperature A unique hand powered generator enables environmental quality measurements with or without batteries.  Combine...

Air speed Humidity Light Sound Temperature Combines an anemometer, hygrometer, thermometer, sound and light meter into a single hand-held unit. ...

For environmental testing anywhere. The mini environmental quality meter combines a light meter, humidity meter, thermometer and anemometer into a single compact unit weighing only 5½ oz (160 g). Own...

Using interchangeable probes (sold below) this versatile environmental meter reads airspeed, temperature, RH, and light. You can order probes for only the parameters currently required and add additio...