Testing for… darkness? Huh? Why would someone do THAT?!?
Exactly our point. Few people really have a need to test for darkness. Most people do, however, have a need to test for light — especially people interested in taking the perfect picture, shooting the perfect video, or setting up a room in their home with perfect lighting.
| 4-in-1 Anemometer, Thermometer, Hygrometer & Light Meter (LM-8000) w/Lanyard |
LM-8000 |
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| 4-in-1 LUX & Sound Meter (V-DVM401) with Temperature & Humidity |
DVM401 |
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| Light Meter: Digital 0 to 20,000 LUX (DLM1337) with Remote Light Sensor & Carrying Case |
DLM1337 |
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| Light Meter: Digital 0 to 20,000 LUX in 3 Ranges (DLM2000) w/Remote Sensor |
DLM2000 |
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| Light Meter: Digital 0 to 50,000 LUX in 3 Ranges (DLM105HA) with Remote Sensor & RS-232 PC Interface |
DLM105HA |
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| Light Meter: Digital 0 to 50,000 LUX in 3 Ranges (DLM2b) Built-In Zero Calibration |
DLM2b |
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| Light Meter: Digital 20 to 200,000 LUX (DLM203DL) with RS-232 PC Interface, Cable, Software & Data-Logger |
DLM203DL |
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| Light Meter: Digital 200 to 200,000 LUX in 4 Ranges (DLM204) w/Built-in Sensor |
DLM204 |
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| Light Meter: Economy Digital 0 to 50,000 LUX (V-DVM1300) with Remote Probe on 36″ Coiled Lead, Protective Cap & Faux Leather Zippered Case |
DVM1300 |
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| Personal UV Index Monitor & Exposure Alarm (DW-75488) Temperature, UV & Time |
DW-75488 |
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| Personal UV Index Monitor & Exposure Timer (UV112) Displays Temperature, UV Index & Time |
UV112 |
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| Solar Power Meter: Digital 2000 W/m2, 634 BTU (DBTU1300) with Batteries & Belt Pouch |
DBTU1300 |
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| Ultra-Violet Light Meter: 220~275nm, UVC to 9999µW/cm2 (UV512C) with Case |
UV512C |
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| Ultra-Violet Light Meter: 254~400nm, UV AB to 1999 µW/cm2 (UV513AB) with Case |
UV513AB |
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| Ultra-Violet Light Meter: Radiometer 254nm, 0-199.9 µW/cm2 (UVC254) with Remote Sensor |
UVC254 |
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| Ultra-Violet Light Meter: UVA/UVB 290-390nm, 0-19999 µW/cm2 (UV340A) with Sensor |
UV340A |
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| Ultra-Violet Light Meter: UVA/UVB 290-390nm, 0.001-19.99 mW/cm2 (YK-35UV) w/Sensor |
YK-35UV |
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And sometimes, when things don’t exactly work out as we plan, and darkness finds its way into our world due to unforeseen events, having the following device installed in our home or office will give us temporary light for a while until the power comes back on.

In the event that the power will take longer to come back on than you would like, perhaps you might need… a flashlight?