Digital Sound Level Meter

Product Details:

Features:

• Longer life service

• Sturdy design

• Easy to use

• Excellent in work

• Large LCD display, easy to read.
• Max. Hold function for stored the maximum value on display.
• Frequency weighting networks are designed to meet the * Warning indicator for over and under load.IEC 61672 CLASS 2.
• LCD display for low power consumption & clear read-out even
• A & C weighting networks are conformity to standards.in bright ambient light condition.
• Time weighting(FAST & SLOW) dynamic characteristic modes.
• Used the durable, long-lasting components, including a strong,
• AC/DC output for system expansion. light weight ABS-plastic housing case.
• Build in adj. VR is available for easy calibration. * Small and light weight design allow one hand operation.
• Condenser microphone for high accuracy & long-term stability.
• Low battery indicator.

• Display : 18mm (0.7") LCD (Liquid Crystal Display), 3 1/2 digits.
• Function : dB (A & C frequency weighting), Time weighting(Fast, Slow), Max. hold, AC & DC output.
• Measurement Range : 3 ranges, 30 to 130 dB, input signal only.
• Resolution : 0.1 dB.
• Accuracy (23 +/- 5 °C ) : Frequency weighting meet IEC 61672 class 2, calibrating input signal on 94 dB(31.5 Hz to 8 kHz), then the accuracy of frequency weighting is specified as following:
• 31.5 Hz - +/- 3.5 dB, 63 Hz - +/- 2.5 dB, 125 Hz - +/- 2.0 dB
• 250 Hz - +/- 1.9 dB, 500 Hz - +/- 1.9 dB, 1 kHz - +/-1.4 dB
• 2 kHz - +- 2.6 dB, 4 kHz - +/- 3.6 dB, 8 kHz - +/- 5.6 dB
• Frequency : 31.5 Hz to 8,000 Hz.
• Calibrator : B & K (Bruel & kjaer), multi-fuction acoustic calibrator, model : 4226.
• Microphone type : Electric condenser microphone.
• Size of microphone : 1/2 inch standard size.
• Range selector: 30 to 80 dB, 50 to 100 dB, 80 to 130 dB, 50 dB on each step,
• Time weighting Fast (Fast & Slow) : - t= 200 ms, Slow - t = 500 ms,
• Fast" range is simulated the human ear response time weighting. with over & under range indicating.
• Slow" range is easy to get the average values of vibration sound level.
• Calibration: Build in external calibration VR, easy to calibrate by external screw driver. Internal oscillation system, 1 KHz sine wave generator.
• Output SignalAC output - AC 0.5 Vrms corresponding to each range step. DC output - DC 0.3 to 1.3 VDC, 10 mV per dB. Out put impedance - 600 ohm.
• Output terminal: 3.5 mm phone output terminal is provided for connection with analyzer, level recorder, tape recorder.
• Operating Temp. : 0 °C to 50 °C ( 32 °F to 122 °F ).
• Operating Humidity : Less than 80% RH
• Power Supply : 006P DC 9V battery(heavy duty type).
• Power Consumption : Approx. DC 6mA.
• Dimension : 205 x 80 x 35 mm ( 8.1 x 3.2 x 1.4 inch).
• Weight : 280 g/0.62 LB (including battery).
• Standard Accessories : Instruction Manual ....................................... 1 PC.
• Calibration screw driver................................. 1 PC.
• Optional Accessories: 94 dB Sound Calibrator, Model : SC-941.
• 94 dB/114 dB Sound Calibrator, Model : SC-942.
• Hard carrying case, Model : CA-06.