Extech Instruments EA30 User Manual Download Page 6

                                                                                                                                     EA30  V2.0    06/06 

 

Support line (781) 890-7440 

Technical support: Extension 200; E-mail: [email protected] 

Repair & Returns: Extension 210; E-mail: [email protected] 

Product specifications subject to change without notice

For the latest version of this User’s Guide, Software updates, and other 

up-to-the-minute product information, visit our website: www.extech.com

 

Extech Instruments Corporation, 285 Bear Hill Rd., Waltham, MA 02451 

Maintenance 

Cleaning and storage 

1.  The white plastic sensor dome should be cleaned with a damp cloth when necessary. 

2.  Store the meter in an area with moderate temperature and humidity (refer to the 

operating and storage range in the specifications chart earlier in this manual). 

Battery Replacement 

When the battery power falls low, the ‘BT’ symbol will appear on the lower left-hand side of 
the LCD. Replace the six (6) 1.5 ‘AAA’ batteries by removing the rear (center) battery 
compartment screw and accessing the battery compartment. Observe polarity when 
placing the batteries in the compartment. Ensure that the compartment cover is securely 
fastened when finished. 

Calibration and Repair Services 

Extech offers repair and calibration services

 for the products we sell. Extech also 

provides NIST certification for most products. Call the Customer Service Department for 
information on calibration services available for this product. Extech recommends that 
annual calibrations be performed to verify meter performance and accuracy. 
 

 

 

 
 
 
 
 
 
 
 
 

 
 
 

 

Copyright 

©

 

2005 Extech Instruments Corporation. 

All rights reserved including the right of reproduction in whole or in part in any form. 

Summary of Contents for EA30

Page 1: ...User s Guide EasyView Digital Light Meter Model EA30 ...

Page 2: ... 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 conseq...

Page 3: ...ral accuracy CIE V function f1 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 40 o C Humidity 80 RH Storage conditions Temperature 14 to 140 ...

Page 4: ...tored For overhead lighting the sensor can be placed on a desk or table top 2 The light being measured must encompass the entire white sensor dome 3 Read the light level on the LCD If the light measurement is out of range an OL indication will appear on the display If the OL appears select another range by pressing the RANGE button Selecting Lux or Foot candle units of measure Press the LUX button...

Page 5: ...EAK button is pressed momentarily rather then pressed and held when exiting the Peak mode the meter will display P which is a function reserved for future use and should be ignored Relative mode Measurements can be displayed as a difference between actual light level and a stored reference value To store a reading as a reference press the REL button when the desired reference measurement is on the...

Page 6: ...his manual Battery Replacement When the battery power falls low the BT symbol will appear on the lower left hand side of the LCD Replace the six 6 1 5 AAA batteries by removing the rear center battery compartment screw and accessing the battery compartment Observe polarity when placing the batteries in the compartment Ensure that the compartment cover is securely fastened when finished Calibration...

Page 7: ...or Stairs 150 300 15 30 Entrance Wash Room 200 750 20 75 Conference Reception Room 300 750 30 75 Cooking Room Dining Table 750 1 500 75 150 Clerical Work 750 1 500 75 150 Show Window 1 500 2 000 150 2000 Typing Drafting Store Hospital 75 150 7 15 Indoors 30 75 3 7 Emergency Stairs 150 200 15 20 Corridor Stairs 75 100 7 10 Stairs 200 300 20 30 Reception 100 150 10 15 Sick Room Warehouse 300 500 30 ...

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