background image

separate probe, RS-232

SOUND LEVEL METER

Model : SL-4013

Your purchase of this

SOUND LEVEL METER
marks a step forward for

you into the field of

precision measurement. 

Although this SOUND
LEVEL METER is a complex
and delicate instrument,

its durable structure will
allow many years of use if

p r o p e r   o p e r a t i n g

techniques are developed.

Please read the following

instructions carefully and

always keep this manual

within easy reach.

       OPERATION MANUAL

Summary of Contents for SL-4013

Page 1: ...to the field of precision measurement Although this SOUND LEVEL METER is a complex and delicate instrument its durable structure will allow many years of use if p r o p e r o p e r a t i n g techniques are developed Please read the following instructions carefully and always keep this manual within easy reach OPERATION MANUAL ...

Page 2: ...AC Output Socket 4 3 11 Calibration VR 4 3 12 RS232 Computer Interface Socket 4 3 13 Battery compartment Cover 4 3 14 Stand 4 3 15 BNC socket 4 3 16 BNC Plug 4 3 17 Probe handle 4 3 18 Probe holder 4 4 MEASURING PROCEDURES 5 5 AUTO POWER DISABLE 8 6 MEASURING CONSIDERATION 8 7 SIGNAL OUTPUT 8 7 1 AC output 8 7 2 RS232 computer interface 9 8 REPLACEMENT of BATTERY 10 9 CALIBRATION 10 10 FREQUENCY W...

Page 3: ...tability Memory function to store the Max Min value Hold and MAX Hold functions Operation key used push button Large LCD display for low power consumption clear read out even in bright ambient light condition Using the durable long lasting components including a strong light weight ABS plastic housing case Small and light weight design allow one hand operation 2 SPECIFICATIONS Display 52 mm x 32 m...

Page 4: ...crophone size Out size 12 7 mm DIA 0 5 inch Weighting Network Characteristics of A C Range selector Manual range 3 ranges 30 to 80 dB 50 to 100 dB 80 to 130 dB Auto range 30 130 dB Time weighting Fast t 200 ms Slow t 500 ms Fast Slow Fast range is simulated the human ear response time Slow range is easy to get the avg values of vibration sound level The Fast Slow response range are designed to mee...

Page 5: ...V battery 006P MN1604 PP3 or equivalent Alkaline or heavy duty type Power Approx DC 6 mA Consumption Dimension Main instrument 207 x 68 x 29 mm 8 1x2 7x1 1 inch Sound probe 170 5 x 24 5 x 19 mm 6 7x1 0x0 7 inch Probe cable length 200 cm 78 7 inch max Weight 422 g 0 93 LB including battery Accessory Included Instruction manual 1 PC Separate sound probe 1 PC Probe holder 1 PC Optional Hard carrying ...

Page 6: ...3 Power On Off Button 3 12 RS232 Computer Interface 3 4 Hold Button Socket 3 5 REC Max Min Button 3 13 Battery compartment Cover 3 6 Max Hold Button 3 14 Stand 3 7 A C Weighting Button 3 15 BNC socket 3 8 Time Weighting 3 16 BNC Plug Fast Slow Button 3 17 Probe handle 3 9 Range Button 3 18 Probe holder 4 ...

Page 7: ... The characteristic of A weighting is simulated as the Human Ear Listening response Typically always select the A weighting when makes environmental sound level measurement c The C weighting characteristic is near the FLAT response Typically it is suitable for checking the noise of machinery Q C check knowing the real sound level of the tested equipment 3 Determine proper measuring range by pressi...

Page 8: ... If select the function of Slow time weighting the display will show the unit of Slow 5 Hold the instrument in hand and point the microphone at measured noise source the sound level value dB will be displayed on LCD 6 Max Hold If intend to maintain the maximum value press the Max Hold Button 3 6 Fig 1 and a P H symbol will show on the top LCD display Press the Max Hold Button again to exit the fun...

Page 9: ... REC Max symbol along with the maximum value will appear on the display If intend to delete the maximum value just press the Hold Button 3 4 Fig 1 once a while then the display will show the REC symbol only execute the memory function continuously b Push the REC Button 3 5 Fig 1 again the REC Min symbol along with the minimum value will appear on the display If intend to delete the minimum value j...

Page 10: ...1 Please should select the proper time weighting A weighting or C weighting Typically the A weighting selector will be engaged 2 Please don t keep or operate the instrument at high temperature humidity environment for a long period 3 Keep microphone dry avoid serious vibration 7 SIGNAL OUTPUT 7 1 AC output The instrument is provided an 3 5 mm dia phone socket 3 10 Fig 1 for AC output it is used to...

Page 11: ...e following connection will be required to link the instrument with the PC serial input Meter PC 3 5 mm jack plug 9W D Connector Center Pin Pin 4 Pin 2 2 2 K Ground shield Pin 2 Pin 5 resister The 16 digits data stream will be displayed in the following format D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Each digit indicate the following status D15 Start Word D14 4 D13 1 D12 D11 Annunciat...

Page 12: ... several hours after low battery indicator appears before the instrument become inaccurate 2 Open the Battery Cover 3 13 Fig 1 away from the instrument and remove the battery 3 Install a 9 V battery Alkaline or Heavy duty type and replace the cover 9 CALIBRATION 1 Prepare the optional SOUND CALIBRATOR such as SC 941 or SC 942 Power on the Sound Calibrator plug calibrator output socket into the Mic...

Page 13: ...dB 0 8 dB 2 5 dB 125 16 1 dB 0 2 dB 2 0 dB 250 8 6 dB 0 dB 1 9 dB 500 3 2 dB 0 dB 1 9 dB 1 K 0 dB 0 dB 1 4 dB 2 K 1 2 dB 0 2 dB 2 6 dB 4 K 1 dB 0 8 dB 3 6 dB 8 K 1 1 dB 3 dB 5 6 dB 11 TIME WEIGHTING FAST and SLOW CHARACTERISTICS Time Weighting Max response Tolerance Charac ref continuous signal IEC 61672 class 2 F Fast 1 0 dB 1 dB 2 dB S Slow 4 1 dB 2 dB 11 0711 SL 4013 ...

Reviews: