User's Guide
EasyView Digital Light Meter Model 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 ...
