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Noise floor A weighting : 30dB or less

C weighting : 32dB or less

Linearity range : 60dB

Reference level range : 60 to 120dB

Reference sound pressure level : 94dB

Calibration check frequency : 1KHz

Level range selection :

6 ranges in 10dB steps    20 to 80dB ,

 

30 to 90dB

40 to 100dB , 50 to 110dB
60 to 120dB , 70 to 130dB

Frequency range :

Overall characteristics including microphone : 31.5 to

                                8000Hz

Frequency weighting : A, C

Time weighting (RMS detection) : Fast, slow

Calibration : Calibration using sound calibrator

Sampling interval

Bar graph indication : 125mS approx.
Numeric indication : 1 sec approx.

Data memory functions

Data can be stored in the internal memory.
Max. 99 data sets for L with elapsed time, Lmax with
elapsed time and Lmin with elapsed time con be stored.

Microphone : 1/2-inch electret condenser type

Display LCD

Display screens :

4 digits indication of sound level, 0.1dB resolution.
Bar graph indication of current sound level, 1dB resolution.
Elapsed time display, 100 hours maximum.
Memory and read address display, 99 data sets maximum.

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Warning indications

Over-range indication

OV

 displayed at upper limit of the range

Un

 displayed at lower limit of the range

Outputs

AC output (using selected frequency weighting)

Output voltage : 1Vrms (at full-scale of the range)
Output impedance : 5K

Ω

Load impedance :

1M

Ω

DC output

Output voltage : 10mV/1dB
Output impedance : 5K

Ω

Load impedance :

1M

Ω

Power requirements

One 9V battery (006P or IEC6F22)

Battery life : Approx. 25 hours

AC adaptor (option)

Current rating (when 9V DC is input) : Approx. 10mA

Ambient conditions

Operating ambient conditions : -10°C to +50°C,

30% to 90%RH non-condensing

Storage ambient conditions : -10°C to +60°C,
                                      <70%RH non-condensing

Dimensions : Approx. 264(L)

×

68(W)

×

27(H) mm

Weight (including battery) : Approx. 260g

Supplied accessories : Battery 9V, Wind shield, Screwdrive

(adjustment), 3.5

φ

 plug (3pin AC/DC output), Carrying case,

Instruction manual

Optional equipment

AC adaptor, Sound calibrator TES-1356

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Summary of Contents for PCE-318

Page 1: ...1 Tel 561 320 9162 Fax 561 320 9176 info pce americas com www pce instruments com english www pce instruments com PCE Instruments UK Ltd Units 12 13 Southpoint Business Park Ensign way Hampshire Southampton United Kingdom SO31 4RF From outside UK 44 Tel 0 2380 98703 0 Fax 0 2380 98703 9 info industrial needs com ...

Page 2: ...not covered in this manual should only be performed by qualified personnel Periodically wipe the case with a dry cloth Do not use abrasives or solvents on this instruments Safety symbols Comply with EMC U S Pat No Des 483 680 Ⅱ Ⅱ Ⅱ Ⅱ PRECAUTIONS Do not try to remove the microphone grid you can easily damage the microphone in this way Protect the meter from impact Do not drop it Transport it in the...

Page 3: ...in with elapsed time Both AC and DC signal output is available from a single standard 3 5mm coaxial socket suitable for a frequency analyzer level recorder FFT analyzer graphic recorder etc 2 Ⅳ Ⅳ Ⅳ Ⅳ PARAMETERS The following parameters are used on the meter LA A frequency weighting sound pressure level LC C frequency weighting sound pressure level FAST Fast time weighting SLOW Slow time weighting ...

Page 4: ...resolution Bar graph indication of current sound level 1dB resolution Elapsed time display 100 hours maximum Memory and read address display 99 data sets maximum 4 Warning indications Over range indication OV displayed at upper limit of the range Un displayed at lower limit of the range Outputs AC output using selected frequency weighting Output voltage 1Vrms at full scale of the range Output impe...

Page 5: ... key Press to read the stored data sets in memory press again to exit read mode 9 keys Level range keys select the level range for the measurement The following six settings are available 20 to 80 30 to 90 40 to 100 50 to 110 60 to 120 70 to 130 When read mode the keys select the memory address to be displayed 10 DC AC output AC signal with frequency weighting DC signal corresponding to sound leve...

Page 6: ...y and before connecting the AC adaptor be sure to turn off the meter 1 Battery Loading Before replace the batteries must press key turn off the meter Remove the cover of the battery compartment Insert the new 9V battery Replace the battery cover Press key turn on the meter then press key turn off the meter 2 Battery capacity indicator When use battery operating the meter periodically check this in...

Page 7: ... fast time weighting and 60 to 120dB sound level range 2 Press A or C keys to select desired frequency weighting For normal sound level measurements select A setting 3 Press FAST or SLOW keys to select desired time weighting dynamic characteristics Normally the FAST setting should be used 4 When performing measurements according to IEC or other standards the frequency and time weighting setting re...

Page 8: ...h the logged readings Press MAX key to cycle switch the stored currently sound level with elapsed measurement time the maximum sound level max is shown with measured elapsed time the minimum sound level min is shown with measured elapsed time Press READ key again to exit READ mode 12 3 To clean the memory Press key to turn off the meter Press and hold down MEM key then press key to turn on the met...

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