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Measures minimum, maximum and real time values of sound levels (noise levels). Maximum hold updating and display facility is also provided.
In maximum hold updating mode, previous maximum value of the sound is displayed and the same remains unchanged until a higher value is detected. Choice of A and C weighting modes is provided. In A weighting mode, -8928 response matches the frequency spectrum of the human ear. A weighting response is useful for OSHA regulatory testing, environmental measurements, work place design, low enforcements etc. In C weighting mode, -8928 response matches the flat frequency spectrum with no increase or decrease of amplitude over the frequency spectrum. C weighting response is useful for sound level analysis of engines and machinery.
Fast and slow response modes are provided to suit different applications and standards.
RANGE, RESOLUTION AND ACCURACY
| AC OUTPUT | AC analog output proportional to the sound level is available on the analog output jack. The same can be connected to the input of data logger, chart recorder, etc. for logging purposes. |
| DISPLAY | 3½digit, 7 segment, LCD type of 12.5mm height. Decimal point, REC, MAX, HOLD, MIN, AUTO, MANU, SPL, FAST, SLOW, A, C, dB and low battery displays are provided. Digital display is updated every 160 milli seconds. |
| BAR GRAPH | Bar graph display continuously displays real time value of sound levels. Bar graph is updated every 40 milli seconds. |
| POWER REQUIREMENTS | 9 volts battery. Auto power off facility is provided to conserve battery life. The auto power off facility can be disabled by the user. Low battery display is provided. |
| SIZE AND WEIGHT | 30 mm (H) X 72 mm (W) X 182 mm (D). 150 gms. |
| STANDARD ACCESSORIES | Battery, instruction manual and carrying cover. |
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Makarpura, Vadodara, Gujarat 
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