Extech EA30 Easyview Wide Range Light Meter

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Extech EA30 Features:

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SKU: Extech EA30 Category: Tags: ,

كيف تربح الأموال على الإنترنت في نيجيريا http://i3group.com.au/?klykva=%D8%A7%D9%84%D8%AE%D9%8A%D8%A7%D8%B1%D8%A7%D8%AA-%D8%A7%D9%84%D8%AB%D9%86%D8%A7%D8%A6%D9%8A%D8%A9-signals.com-%D8%A7%D9%84%D9%85%D9%88%D8%A7%D9%84%D9%8A%D8%A9&ea3=8c The Extech EA30 EasyView Big Digit, Wide Range Light Meter
The Extech EA30 measures up to 40,000 foot-candles in four ranges and 400,000 lux in five ranges with ±3 percent accuracy, making it ideal for outdoor use. This light meter features a compact and rugged design with a large display and analogue bargraph to view trends.

العثور على مزيد من المعلومات الخيارات الثنائية النشرة الإخبارية Additional Features
Peak mode captures short light pulses to 100µs; and Relative function zeroes the sensor or can be used to display the difference from a reference value. Also has data hold, min/max, and auto power off functions.

http://www.cottages-with-a-view.co.uk/?klipsu=%D9%83%D9%8A%D9%81-%D8%AA%D8%B1%D8%A8%D8%AD-%D8%A7%D9%84%D9%85%D8%A7%D9%84-%D9%81%D9%8A-%D8%B3%D9%86-13-%D8%B9%D8%A7%D9%85%D8%A7 http://www.livingwithdragons.com/?printers=%D8%A7%D8%B3%D9%87%D9%85-%D9%88%D8%AA%D8%AC%D8%A7%D8%B1%D8%A9&dd1=da What Is a Light Meter?
A light meter measures the amount of visible light, also known as illumination, in a given area. For many meter brands, including Extech, illumination is expressed in units of measure called Lux (for metric) and foot-candles (used in the US). To use an Extech light meter, the sensor is placed on a tabletop or other surface in the area to be measured and the light level reading is indicated on the meter’s display.

Specifications

General Specifications
Display Multi-function 3-3/4 (3999) digit LCD with Bargraph indicator
Over range indication LCD displays ‘OL’
Spectral response CIE photopic (CIE human eye response curve)
Spectral accuracy CIE V 2 function (f1 2 6%)
Measurement Repeatability ±2%
Temperature coefficient ±0.1% per °C
Sampling rate 13.3 times per second (bargraph); 1.3 times per second (digital display)
Photo detector Silicon photo-diode with spectral response filter
Peak hold Capture light peaks to 100uS
Operating conditions Temperature 0 to 40°C
Humidity < 80% RH
Storage conditions Temperature -10 to 50°C
Humidity < 80% RH
Dimensions 150 x 72 x 33mm
Weight Approx. 320g with battery
Low battery indication “BT” appears on the LCD
Power supply 6 ‘AAA’ cells; Battery life approx 400 hours