Extech Instruments EA30 Скачать руководство пользователя страница 2

                                                                                                                                     EA30  V2.0    06/06 

Warranty 

EXTECH INSTRUMENTS CORPORATION warrants this instrument to be 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 
(781) 890-7440 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. 

Содержание EA30

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

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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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