Casella CEL CEL-450 - Manual (Page 67)

Effects of AC Power Frequency Fields:
Less than ±0.5 dB change in 74 dBA 925 Hz reference level
when subjected to 160 A/m AC magnetic field at 50 and 60 Hz.
Menu Languages:
English, French, German, Spanish, Italian.
Tripod Mounting:
Socket to accommodate standard ¼" camera tripod thread.
Display:
128 x 64 pixel Transflective monochrome LCD.
LED backlight with Manual on/off, timed or keypress operation .
Serial I/O Port:
RS 232 via mini DIN connector and CEL cable.
9600 to 115200 baud, ring indicates auto switch-on provided.
Digital Control:
Remote PC control commands to permit change of instrument
setup, perform in-house testing or to control operation of the
meter’s measurements.
Dimensions:
340 x 100 x 40 mm (13.5 x 4 x 1.5 in) including preamplifier and
microphone.
Weight:
550 gm (19.3 oz) with batteries.
6.2 Measurement Functionality
6.2.1 CEL-450 Versions
Measurement Setups:
Factory determined setup plus 4 user defined setups for each
available operating mode (Broadband, Octave and Third Octave).
The last (most recently) used set is saved for each mode.
CEL-450/490 Operators Handbook - Page 67
Specification