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Lutron Electronics SL-4112 Operation Manual

Sound level meter
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auto range + type K Temp.
optional Humidity, Light, Anemometer
SOUND LEVEL METER
Model : SL-4112
OPERATION MANUAL
Your
purchase
SOUND
LEVEL
marks a step forward for
you
into
the
precision measurement.
Although this METER is a
complex
and
instrument,
its
structure will allow many
years of use if proper
operating techniques are
developed.
Please
the following instructions
carefully and always keep
this manual within easy
reach.
of
this
METER
field
of
delicate
durable
read

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Summary of Contents for Lutron Electronics SL-4112

  • Page 1 + type K Temp. optional Humidity, Light, Anemometer SOUND LEVEL METER Model : SL-4112 Your purchase this SOUND LEVEL METER marks a step forward for into field precision measurement. Although this METER is a complex delicate instrument, durable...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. FEATURES............... 2. SPECIFICATIONS............. 2-1 Electrical specification for Sound level meter....2 2-2 Electrical specification for Type K/J thermometer..4 2-3 General specification..........4 2-4 Electrical specifications for optional probe EM-900P..5 3. FRONT PANEL DESCRIPTION........3-1 Microphone..............8 3-2 Display..............8 3-3 Power Button ( Send Button )........
  • Page 3 4. MEASURING PROCEDURES........4-1 Sound level meter..........4-2 Type K/J thermometer........4-3 EM-900P ( Humidity, Anemometer, Light ) ..4-4 Data Logger............5. FURTHER SETTING..........5-1 Thermometer, type K. type J selection......16 5-2 Auto power ON/OFF..........16 5-3 Change the data logger sampling time......17 5-4 To show the balance data numbers in the memory..17 5-5 Clear the existing saving data from the memory..17 5-6 Code entering for the further calibration usage...

  • Page 4: Features

    1. FEATURES * Large LCD display, easy to read. * Frequency and Time weighting meet IEC 61672 class 2. * A, C frequency weighting networks is selected. * Time weighting (Fast & Slow) dynamic characteristic modes. * 0.5" standard microphone head. * AC output for system expansion.

  • Page 5: Specifications

    2. SPECIFICATIONS 2-1 Electrical specification for Sound level meter Function dB ( A & C frequency weighting ), Time weighting ( Fast, Slow), Hold, Memory ( Max. & Min. ), Peak hold, AC output, RS232 output. Meter default Range set to auto range. function Frequency weighting set to A weighting.
  • Page 6 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"...

  • Page 7: Electrical Specification For Type K/J Thermometer

    2-2 Electrical specification for Type K/J thermometer Sensor Reso- Range Accuracy Type lution 0.1 ℃ Type K -50.0 to 1300.0 ℃ ± ( 0.4 % + 0.8 ℃ -50.1 to -199.9 ℃ ± ( 0.4 % + 1 ℃ 0.1 ℉ -58.0 to 2372.0 ℉...

  • Page 8: Electrical Specifications For Optional Probe Em-900P

    94 dB Sound Calibrator : Optional Accessories Model : SC-941. SC-942. Sound wind shield ball Model : SB-01 RS232 cable ( isolated RS232 cable ) : Model : UPCB-02. USB cable Model : USB-01 Application windows software : Model : SW-U801-WIN. Type K Temperature probe : Model : TP-01 TP-02A, TP-03.
  • Page 9 Humidity/Temp. meter A. Humidity Measuring Range 0 % to 95 % R.H. Resolution 0.1 % R.H. Accuracy 70%RH ± (3% reading + 1% RH). ≧ < 70%RH ± 3% RH. B. Temperature Measuring Range to 50 to 122 ℃ ℃ ℉...

  • Page 10: Front Panel Description

    3. FRONT PANEL DESCRIPTION...

  • Page 11: Microphone

    3-1 Microphone 3-2 Display 3-3 Power Button ( Send Button ) 3-4 Hold Button ( ESC Button ) 3-5 REC/Max. Min. Button 3-6 Mode Button ( Logger Button, Enter Button ) 3-7 A/C Weighting Button ( Button ) ℃ ℉ 3-8 F/S Button ( Time Weighting Button ) /Unit Button 3-9 PH Button ( Peak Hold Button ) /Setting Button 3-10 Temperature input socket...

  • Page 12: Measuring Procedures

    4. MEASURING PROCEDURE 4-1 Sound level meter 1) Power on by pressing the " Power On/Off Button " ( 3-3, Fig. 1 ) , the meter's default function is " Auto range ", " A frequency weighting " & " Fast time weighting ". The LCD display will show the unit "...
  • Page 13 Manual range 1 , 30 - 80 dB range : * Display will show the unit of " 30 - 80 ". Manual range 2 , 50 - 100 dB range : * Display will show the unit of " 50 - 100 ". Manual range 3 , 80 - 130 dB range : * Display will show the unit of "...
  • Page 14 c. When make the Peak Hold measurement under pulse noise environment, it should select to the convenient " manual range " 7) Data Hold During the measurement, pushing the " Hold Button " ( 3-4, Fig. 1 ) will hold the measured value & the LCD will indicate "...

  • Page 15: Type K/J Thermometer

    c) To exit the memory record function, push the " REC " button at least 2 seconds continuously. The display will revert back to the current reading. 4-2 Type K/J thermometer 1) Power on by pressing the " Power On/Off Button " ( 3-3, Fig.

  • Page 16: Em-900P ( Humidity, Anemometer, Light )

    4-3 EM-900P ( Humidity, Anemometer, Light ) 1) Plug the optional probe EM-900P's plug into the " Probe Input Socket " ( 3-11, Fig. 1 ). Slide " Probe lock switch " ( 3-11A, Fig. 1 ) to the " 1 " position.

  • Page 17: Data Logger

    4-4 Data Logger The data logger function can save 1,600-point measuring data. The data logger procedures are following : a) Press the " REC. Button " ( 3-5, Fig. 1 ) once to start the Data record function and there will be a " REC. " symbol on the display.

  • Page 18: Further Setting

    c) During the Data Logger function is executed, press the " Logger Button " ( 3-6, Fig. 1 ) once will stop the data logger function, the " REC. " symbol will stop to flash. If press the " Logger Button " ( 3-6, Fig. 1 ) once again will continuous the Data Logger function.

  • Page 19: Thermometer, Type K. Type J Selection

    a. Hold the " Setting Button " ( 3-9, Fig. 1 ) at least five seconds will enter the Advanced Setting Procedures. b. One by one to press the " Unit Button " ( 3-8, Fig. 1 ) once a while to select the main setting function in sequence and show the text the lower display as : K....Change thermocouple type to type K or type J OFF..

  • Page 20: Change The Data Logger Sampling Time

    5-3 Change the data logger sampling time ( Lower display show " SP-t " ) a. Use " button " ( 3-7, Fig. 1 ) button " ( 3-9, Fig. 1 ) ▲ ▼ to select data logger sampling time to 0, 1, 2, 5, 10, 30, 60, 600, 1800, 3600 seconds b.

  • Page 21: Code Entering For The Further Calibration Usage

    5-6 Code entering for the further calibration usage ( Lower display show " CodE" ) The upper display will show 0 The code setting is used for the further calibration usage. It do not enter any new code, just press the " Enter button "...
  • Page 22 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 indicates the following status : Start Word When send the upper display data = 1 When send the lower display data = 2 D12 &...

  • Page 23: Replacement Of Battery

    7. REPLACEMENT of BATTERY 1) When the left corner of LCD display show " ", it is necessary to replace the battery. However, in-spec. measurement may still be made for several hours after low battery indicator appears before the instrument become inaccurate.

  • Page 24: How To Send The Data Out From The Meter

    9. HOW TO SEND THE DATA OUT 1) To send the data out from the meter, exit the " Hold function " and the " Record function " first. 2) Press the " Send Button " ( 3-3, Fig. 1 ) at least 5 seconds until the lower display show "...

  • Page 25: Frequency Weighting Characteristics

    10. FREQUENCY WEIGHTING CHARACTERISTICS OF NETWORKS Frequency A Weighting C Weighting Tolerance Charac. Charac. (IEC 61672 class 2) 31.5 -39.4 dB -3 dB ± 3 dB -26.2 dB -0.8 dB ± 2 dB -16.1 dB -0.2 dB ± 1.5 dB -8.6 dB 0 dB ±...

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