Martindale MARLM90-产品快照
- 品牌:
- Martindale
- 型号:
- MARLM90
- 重量:
- 0.209748 kg
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| 供应商名称 | 电话 | 备注 |
|---|---|---|
| 暂无展示，可咨询在线客服 | 400-811-6961 |
 微信咨询，cs11@gchane.com , QQ1429311537
|
产品介绍
Martindale MARLM90
Martindale LM90 Light Meter
Martindale
Footcandle and lux measurements Peak hold and hold functions Ideal for emergency lighting applications Martindale LM90 Light Meter Details The Martindale LM90 is a simple-to-use, low-cost digital light meter ideal for any general light measurement and is an ideal solution for testing in emergency lighting applications. Equipped with a flexible light sensor (attached to the main body via a coiled cable), you can easily hold the sensor close to a light source while reading the results on the instrument's built-in LCD screen. This light meter can measure light in two selectable units: lux and footcandles. For both parameters the LM90 has ranges up to 20, 200, 2000 and 20,000 lux/FC and resolution of 0.1 lux (0.1FC). To ensure accurate results the LM90 is supplied as standard with a guidebook with conversion factors for different light waveforms. Martindale LM90 Light Meter Key Features Easy to use light meter supplied with light sensor attached to main meter body via flexible coiled cable Measure light values in both footcandles and lux Range from 20 lux to 20,000 lux (2klux) and 20 to 20,000 footcandles Resolution down to 0.1 lux (0.1 FC) for accurate results Peak hold function stores the maximum reading taken over a period of time Data hold function stores current value shown on the screen Powered by standard 9V battery with 200 hours typical life What's Included? Martindale LM90 Light Meter Battery Carrying Case User Manual
Photometric Formulas 10.764 footcandles=lux(lumens/meter2) 0.0929 lux=footcandles(lumens/foot2) Range 20lux, 200lux, 2000lux, 20klux 20fc, 200fc, 2000fc, 20kfc Resolution 0.01 lux, 0.01 fc (LM90) Spectral Response CIE photopic Acceptance Angle ƒ'2<3% cosine corrected (150°) Total Accuracy for CIE Standard Illuminant A (2856K) ±(3%rdg + 10dgts) Display 3½ digit liquid crystal display (LCD) with maximum reading of 1999 Overrange (OL) is displayed Measurement Rate 2.5 times per second, nominal. Operating Environment 0°C to 50°C (32°F to 122°F) at< 70% relative humidity Storage Temperature -20°C to 60°C (-4°F to 140°F), 0 to 80% R.H. with battery removed from meter Accuracy Stated accuracy at 23°C ± 5°C (73°F ± 9°F), <70% relative humidity Temperature Coefficient 0.1x (specified accuracy)/°C (<18°C or >28°C), 0.056x(specified accuracy)/°F(<64.4°F or >82.4°F) Battery Standard 9V battery (NEDA 1604, IEC 6F22 006P) Battery Life 200 hours typical with carbon zinc battery Dimensions 190mm(H) x 65.5mm(W) x 35mm(D) Weight 210g including battery
Home Environmental & Temperature Environmental Testers Light Meters
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