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11

  BATTERY CHECK-UP & REPLACEMENT 

1.  When the battery power is not sufficient, LCD will 

display low battery, and replacement of one new battery 

is required. 

2.  After turning off the meter, remove the battery cover with 

a screwier. 

3.  Disconnect the battery from the instrument and replace 

it with a standard 9V battery and replace the cover. 

 

  SPECTRAL SENSITIVITY CHARACTERISTIC 

 

 

To the detector, the applied photo diode with filters 

makes the spectral sensitivity characteristic 

almost meet C.I.E. (INTERNATIONAL 

COMMISSION ON ILLUMINATION)    Photopic 

curve V (

λ

) as the following chart described. 

Содержание MTP-1210

Страница 1: ...MTP INSTRUCTION MANUAL DIGITAL ILLUMINANCE METER MODEL MTP 1210 MTP Instruments ...

Страница 2: ... meter is a precision instrument used to measure illuminance lux footcandle in the field It meets CIE photopic spectral response It is fully cosine corrected for the angular incidence of light The illuminance meter is compact tough and easy to handle owing to its construction The light sensitive component used in the meter is a very stable long life silicon photo diode and spectral response filter...

Страница 3: ...cted for spectral relative efficiency Correction factor does not need to be manually calculated for non standard light sources Short rise and fall times Peak hold function for tracing the peak signal of light pulse with least duration 10μs and keep it Capable of selecting measuring mode in lux or fc scale alternatively Auto power off 30 minutes Maximum and minimum measurements Relative reading Res...

Страница 4: ... 4000 lux 40 00 Kkux and 300 0 klux 40 00 fc 400 0 fc 4000 fc 30 00 kfc NOTE 1fc 10 76lux 1Klux 1000lux 1Kfc 1000fc Overrange Display LCD will show OL symbol Spectral Response CIE Photopic CIE human eye response curve Spectral Accuracy CIE Vλ function f1 6 Cosine Response f2 2 Accuracy 5 rdg 0 5 f s Repeatability 3 ...

Страница 5: ... response filter Operating temperature Humidity 0 to 40 32 to 104 0 to 80 RH Storage Temperature Humidity 10 to 50 14 to 140 0 to 70 RH Power Source 1 piece 9V battery Photo detector Lead Length 150cm approx Photo detector Dimensions 115L 60W 20H mm Meter Dimensions 170L x 80W x 45 H Weight 390g Accessories Carry case instruction manual battery ...

Страница 6: ...6 Ⅳ NAME OF PARTS AND POSITIONS ...

Страница 7: ...lues unit function symbols and decimal points etc are displayed 2 Range Selector key It indicates 40 00 lux 400 0 lux 4000 lux 40 00 Klux and 300 0 Klux 40 00 fc 400 0 fc 4000 fc 30 00 Kfc total 5 ranges for lux and 4 ranges for fc 3 Power Control key The power switch key turns the 7 8 9 10 12 1 2 3 4 5 6 11 ...

Страница 8: ... key 9 Peak Hold key Peak Hold recorder control key 10 FC key Pressing the fc key selects taking measurement of illuminance in footcandle scale and 1 footcandle 10 76 lux 11 Lux key Pressing the lux key selects taking measurement of illuminance in lux scale 12 Photo detector Ⅴ OPERATING INSTRUCTIONS 1 Power up Press the power key to turn the meter ON or OFF 2 Selecting the lux or fc scale Set the ...

Страница 9: ... Data Hold mode When HOLD mode is selected the illuminance meter stops all further measurements Press the HOLD key again to exit Data Hold mode Then it resumes normal operation 7 Peak Hold recorder mode Press and hold down PEAK key until display shows the CAL letter then press PEAK key cycle through Pmax and Pmin recorder mode and expose the photo detector to light pulse measuring field Press and ...

Страница 10: ...Relative mode The display shows zero value and the current reading will be stored as a zero in value Press again to exit this mode 10 Reset mode Every time this key is pressed the selected function HOLD MAX MIN REL PEAK except BACK LIGHT auto power off function and counter will be reset 11 Backlight function Press the backlight key to turn on Press again to turn off 12 When the measurement is comp...

Страница 11: ... the battery cover with a screwier 3 Disconnect the battery from the instrument and replace it with a standard 9V battery and replace the cover Ⅶ SPECTRAL SENSITIVITY CHARACTERISTIC To the detector the applied photo diode with filters makes the spectral sensitivity characteristic almost meet C I E INTERNATIONAL COMMISSION ON ILLUMINATION Photopic curve V λ as the following chart described ...

Страница 12: ... 3 The reference level as marker on the face plate is the tip of the photo detector globe 4 The calibration interval for the photo detector will vary according to operational conditions but generally the sensitivity decreases in direct proportion to the product of luminous intensity by the operational time In order to maintain the basic accuracy of the instrument periodic calibration is recommende...

Страница 13: ... 700 1 500 65 140 Typing drafting 1 000 2 000 93 186 FACTORY Visual work at production line 300 750 28 70 Inspection work 750 1 500 70 140 Electronic parts assembly line 1 500 3 000 140 279 Packing work Entrance passage 150 300 14 28 HOTEL Public room Cloakroom 100 200 9 18 Reception 200 500 18 47 Cashier 750 1 000 70 93 ...

Страница 14: ...front of show window 1 500 3 000 140 279 HOSPITAL Sickroom Warehouse 100 200 9 18 Medical Examination Room 300 750 28 70 Operating room emergency treatment 750 1 500 70 140 SCHOOL Auditorium Indoor Gymnasium 100 300 9 28 Class room 200 750 18 70 Laboratory Library Drafting room 500 1 500 47 140 ...

Страница 15: ...ser such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification MTP Instruments specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be held liable for any direct indirect incidental or consequential damages MTP Instruments total liability is limited to repair or replacement...

Страница 16: ...nts MTP Instruments Head Office 4409 Charleroi street Montreal North Quebec H1H 1T6 Telephone 514 326 7167 Fax 514 326 7835 Toll free number 1 888 326 7167 Website www mtpinc com E mail info mtpinc com Distributed by ...

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