Manufacturers' Specifications

Casella CEL 593

Standards :
IEC 651 - 1979 Type 1, EN 60651 Type 1
IEC 804 - 1985 Type 1, EN 60804 Type 1
Draft IEC 1672 / EN 61672 -April 1997 Class 1
ANSI S1.43 - 1983 Type S1

Measured Parameters :
L :  L_max :  L_min :  L_pk :  L_Tm3 :  L_Tm5 :  L_Aeq :  L_Ieq ;  L_AE :  L_AVE :  L_EP,d :  TWA :  5 x L_n% statistical functions

Measurement Ranges :
5 to 140 dB with standard microphone CEL 192 or equivalent microphone
75 dB dynamic range in 7 x 10 dB steps

Measurement Modes :
Timed : 0.5 :  1 :  5 :  10 :  15 :  30 :  60 s and  5 :  10 :  15 :  20 :  30 :  60 m
Event : L_max,  Time,  Duration,  L_peak,  SEL, +  1 s Max profile for up to 175 s, selectable in 1 dB steps, 1 to 30 second onset time for automatic event recognition
Programmable Start & Stop Times : 24 pairs, selectable in HH:MM
Level Recorder : 1 second maximum or L_Aeq

Filters and Networks :
Frequency Weightings : A,  C,  Linear, unweighted 10 Hz to 25 kHz
Octave Filters : 11 bands, 16 Hz to 16 kHz,  L_Aeq,  L_max,  L and  5 x  L_n% statistical functions
Third Octaves : 33 bands, 12.5 Hz to 20 kHz,  L_Aeq,  L_max,  L and  5 x L_n% statistical functions

Time Weightings :
Fast, Slow, Impulse rms plus true peak with either C or Lin weighting

Frequency Weightings :
A, C, Linear (unweighted 10 Hz to 25 kHz)

Amplitude Weightings :
Q = 3,  4,  5 or  6 dB

Statistical Distribution :
Saved in 1 dB class widths.

Memory : 512 kB
Size : 210,000 single broad band dB values, or 9999 octave band spectra or 5700 octave spectra
Storage : up to 999 runs with user selectable ID plus date and time. Up to 9999 Records in each run

Physical and Mechanical :
Size : 400 mm long x 105 mm wide x 54 mm deep
Display : 78 x 54 mm : 128 x 192 pixels dot matrix with back light
Weight : 750 g
Environmental : -10 °C to +50 °C ± 0.5 dB
Batteries : 8 x IEC LR6, AA batteries, or external 12 V DC supply
Battery Life : 14 hours broad band, 12 hours octave band or 10 hours third octave band

Gracey and Associates   01933 624212

BSI approved for the hire of noise and vibration instruments

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