Extech Instruments EasyView 30 User Manual

User's Guide

EasyView Digital Light Meter

Model EA30

EA30 V2.0 06/06 2

Warranty

EXTECH INSTRUMENTS CORPORATION warrants this instrument to b e free of defects

in parts and workmanship for one year from date of shipment (a six month limited warranty
applies to sensors and cables). If it should become necessary to return the instrument for
service during or beyond the warranty period, contact the Customer Service Department at
[phone] ext. 210 for authorization or visit our website www.extech.com for contact
information. A Return Authorization (RA) number must be issued before any product is
returned to Extech. The sender is responsible for shipping charges, freight, insurance and
proper packaging to prevent damage in transit. This warranty does not apply to defects
resulting from action of the user such as misuse, improper wiring, operation outside of
specification, improper maintenance or repair, or unauthorized modification. Extech
specifically disclaims any implied warranties or merchantability or fitness for a specific
purpose and will not be liable for any direct, indirect, incidental or consequential damages.
Extech's total liability is limited to repair or replacement of the product. The warranty set
forth above is inclusive and no other warranty, whether written or oral, is expressed or
implied.

Introduction

Congratulations on your purchase of the Extech EasyView Digital Light Meter which
measures light level (illuminance). This device measures up to 40,000 Fc and 400,000
Lux. Careful use of this meter will provide years of reliable service.

EA30 V2.0 06/06 3

Specifications

Ranges and Resolution Accuracy

Lux

40.00, 400.0, 4000, 40.00k, 400.0kLux ± (3% Rdg + 0.5% FS)
±( 4% Rdg + 0.5%FS, if > 10,000 lux)

Foot candles

40.00, 400.0, 4000, 40.00kfc ± (3% Rdg + 0.5% FS)

±( 4% Rdg + 0.5%FS, if > 1,000 fc)

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 function (f

1

 ï 6%)
Measurement Repeatability ±2%
Temperature coefficient ±0.1% per

o

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: 32 to 104

o

F (0 to 40oC); Humidity: < 80% RH

Storage conditions Temperature: 14 to 140

o

F (-10 to 50oC); Humidity: < 80% RH
Dimensions 5.91 x 2.8 x 1.4" (150 x 72 x 33mm)
Weight Approx. 11.3 oz. (320g) with battery
Low battery indication “BT” a ppears on the LCD
Power supply 6 ‘AAA’ cells; Battery life approx 400 hours