Casella-cel CEL24X Manual de usuario descargar pdf (Pagina 18)

Battery

Life

Typically

35

hours.

Power

C

onsumption

~65mA.

ELECTROMAGNETIC

COM

PATIBILITY

Instrumentation

is

designed

and

tested

to

comply

with

the

following

EMC

and

ESD

Standards:

IEC

61000-4-2

Testing

and

Measuring

Techniques

-

Electrostatic

discharge immunity

tests.

IEC

61000-4-3

Electrom

agnetic

compatibility

(EMC)

-

Radiated

electromagnetic

field

tests.

IEC

61000-4-6

Electrom

agnetic

compatibility

(EMC)

-

Immunity

to

conducted disturbances

induced

by

radio

frequency

fields.

Tested

at

10V/m

or greater.

EFFECTS

OF

AC

POWER

FREQUENCY

FIELDS

Less

than

±0.5dB

change

in

74dB(A)

925Hz

reference

level

when

subjected

to

80A/m

AC

magnetic

field

at

50

and

60Hz.

DISPLAY

Resolution 128x128

Mono

Graphics

LCD.

Update Rate 0.5

seconds

update

rate.

CONNECTIVITY

USB

USB

2. 0

via

‘m ini

B’

socket.

For

SPL

output

(software

required)

weighted

as

per selected

frequency

and

time

weightings.

AUX

Socket

(2.5mm

stereo)

AC

output

provided

for

DAT

tape

/

PC

wav

file

recording

or

headphone

applications.

Approx

0.5V

RMS

Full

Scale

Deflection

(FSD)

‘A’

weighted

output

on

selected

range.

Minimum

load

impedance

22k

Ω

.

(Optional

DC

Output

via

internal

configuration,

0

to

3. 3V

DC

for

FSD

on

selected

range.

Output

corresponds

to

selected

weighting,

2k

Ω

Output

impedance).

AC

input

used

for

electrical

calibration,

switched

on

via

configuration

menu.

DATA STORAGE (CEL-242 & CEL-246 Models only)

Memory Size

419,000 Data Points.

Number of Measurements

100.

Maximum Data Points Per

Measurement

65,515.

File Storage Format

.CSV file compatible with MS Excel.

Parameters Stored

CEL-242: 1s sound pressure levels.

CEL-246: 1-10s average value, either Leq or Lavg

dependent on settings.

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