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Summary of Contents for protech Pro 400K
- Page 1 Pro 400K Lux Meter With Case QM1584 User Manual Distributed by: RReduction Revolution Pty Ltd www.reductionrevolution.com.au...
- Page 2 Ⅰ INSTRUCTION Ø The digital illuminance meter is a precision instrument used to measure illuminance (lux, footcandle) in the field. Ø It is meet CIE photopic spectral response. It is fully cosine corrected for the angular incidence of Ø light. Ø...
- Page 3 non-standard light sources. Ø Short rise and fall times. Ø Peak-hold function for tracing the peak signal of light pulse with least duration 10μs and keep it. Ø Capable of selecting measuring mode in lux or fc scale alternatively. Ø Auto power off 30 minutes.
- Page 4 Ø Cosine Response: f2’ ≦2% Ø Accuracy: ±5% rdg±10d.(<10,000Lux) ±10% rdg±10d.(>10,000Lux) Ø Repeatability: ±3% Ø Sampling Rate: 1.5 times/sec of analog bar-graph indication; 1.5 times/sec of digital display. Ø Photo Detector: One silicon photo diode and spectral response filter. Ø Operating temperature &...
- Page 5 Ⅳ NAME OF PARTS AND POSITIONS LCD Display: 3-3/4 digit displays with a maximum reading of 3999,and the indicating signs of measured values, unit function symbols and decimal points etc are display.
- Page 6 key: Pressing the lux key selects taking measurement of illuminance in lux scale Fc key: Pressing the fc key selects taking measurement of illuminance in footcandle scale; and, 1 footcandle= 10.76lux. RANGE Selector key: It indicates 40.00 lux, 400.0 lux,4000 lux,40.00 Klux and 400.0 Klux /40.00 fc,400.0 fc,4000 fc,40.00 Kfc total 5 ranges for lux and 4 ranges for fc.
- Page 7 connect the photo detector. Selecting the lux or fc scale: Set the range selection switch to desired lux or fc range. Remove the photo detector cap and face it light source in a horizontal position. read the illuminance nominal from the LCD display. Overrange: If the instrument only displays “OL”, the input signal is too strong, and a higher range should be selected.
- Page 8 MAX/MIN key to cycle through Maximum(MAX) reading, Minimum(MIN) reading and current reading(MAX/MIN blink) recorder mode. Press MAX/MIN key two seconds to exit this mode. 10. Relative reading mode: Press REL key to enter Relative mode. The display shown zero value and the current reading will be stored as a zero-in value.
- Page 9 Ⅶ SPECTRAL SENSITIVITY CHARACTERISTIC Ø 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. Ⅷ MAINTENANCE The white plastic disc on the top of the detector should be cleaned with a damp cloth when necessary.
- Page 10 of luminous intensity by the operational time. In order to maintain the basic accuracy of the instrument, periodic calibration is recommended. Ⅸ RECOMMENDED ILLUMINATION 1fc=10.76Lux LOCATIONS Conference,Recepti 200~750 18~70 on room OFFICE Clerical work 700~1,500 65~140 Typing drafting 1,000~2,000 93~186 Visual work at 300~750 28~70...
- Page 11 Indoors Stairs 150~200 14~18 Corridor Show window, 750~1,500 70~140 STORE Packing table Forefront of show 1,500~3,000 140~279 window Sickroom, 100~200 9~18 Warehouse Medical Examination 300~750 28~70 HOSPITAL Room Operating room, 750~1,500 70~140 emergency treatment Auditorium,Indoor 100~300 9~28 Gymnasium SCHOOL Class room 200~750 18~70 Laboratory, Library,...
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