Features
* Large LCD display, easy to read.
* Main functions are designed to meet IEC 61672 class 2.
* A & C weighting networks are conformity to standards.
* 0.5" standard out size of the microphone.
* Time weighting (Fast & Slow) dynamic characteristic modes.
* AC / DC output for system expansion.
* External calibration VR.
* Condenser microphone for high accuracy & long-term stability.
* MAX. HOLD function for stored the maximum value.
* Reset switch for Max. Hold function.
* Warning indicator for over and under load.
* LCD display for low power consumption & clear read-out even in bright ambient light condition.
* Used the durable, long-lasting components, including a strong, light weight ABS-plastic housing case.
* Small and light weight design allow one hand operation.
Specification
Display :18mm (0.7") LCD (Liquid Crystal Display), 3 1/2 digits.
Function :dB (A & C weighting), Time weighting (Fast, Slow), Max. hold, AC output, DC output.
Measurement Range :A Weighting- 3 ranges, 30 to 130 dB.
C Weighting- 3 ranges, 30 to 130 dB.
* Input Signal only
Resolution :0.1 dB.
Accuracy ( 23± 5 ) ℃ :* Meet IEC 61672 class 2, tested under Input signal level on 94 dB & frequency range from 31.5 Hz to 8 k Hz,
Measurement Frequency :31.5 Hz to 8,000 Hz
Microphone type :Electric condenser microphone.
Microphone size :Out size, 12.7 mm DIA. ( 0.5 inch).
Calibrator : B & K (Bruel & kjaer), MULTIFUCTION ACOUSTIC CALIBRATOR 4226
Output terminal :3.5 mm dia. phone output terminal is provided for connection with analyzer, level recorder, tape recorder
Operating Temp. :0 to 50 ( 32 to 122 ). ℃ ℉
Operating Humidity :Less than 80% RH.
Power Supply :006P DC 9V battery (heavy duty type).
Power Consumption :Approx. DC 6 mA.
Dimension :255 x 70 x 28 mm (10.0x2.8x1.1 inch).
Weight :280 g/0.62 (including battery).
MEASURING CONSIDERATION
1. Please should select the proper weighting selector ( A weighting or C weighting ). Typically the A weighting selector will be engaged.
2. Please select proper measurements range to minimize the tolerance of readout.
3. Please don't keep or operate the instrument at high temperature & humidity environment for a long period.
4. Keep microphone dry & avoid serious vibration.
SIGNAL OUTPUT
The instrument is provided an "3.5 mm dia. phone output"(3-7) terminal for connection with analyzer, level recorder, tape recorder, controller...etc.
Slide Power switch & Output type selector (3-3) to AC output or DC output according the user requirement.
REPLACEMENT OF BATTERY
1. When the left corner of LCD display show " BAT ", 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.
2. Slide the Battery Cover ( 3-8 ) & take the battery away from the battery compartment..
3. Replace with 9V battery ( heavy duty type ) and reinstate. the cover.
We do undertake Servicing and repairing of Lutron SL-4011 Sound Level Meter lutron Range of products throughout india
Apart from supplying lutron Electrical Testing products in India through dealers network, catering to a variety of customers ranging from Atomic energy, Electricity Boards, Electrical Laboratory, Shopping Complexes, Shopping Mall, Electrical Contractors, Engineering Industries, Turnkey Construction Companies, Railways, Defence Installations, Research Laboratories, Educational Institutes and various Research and Development laboratories of leading national and multinational companies.
We DFT TECH, are lutron Authorized Distributors, Importers, Stockists, Dealers and Suppliers of Lutron SL-4011 Sound Level Meter Products in Chennai, Assam, Madurai, Coimbatore, Nagaland, Kerala, Manipur, Mizoram, Haryana, Sikkim, VIsakhapatnam, Tirchy, Hosur, Anjaw, Tumkur, Mysore, Kolkatta, Salem, Poonamalle and etc..