商品介紹SOUND METERSL-4010 SOUND LEVEL METER

SL-4010 SOUND LEVEL METER

IEC 61672 class 2, economical type
SOUND LEVEL METER
Model : SL-4010                      ISO-9001, CE, IEC1010



FEATURES


SPECIFICATIONS

Display

18mm (0.7") LCD (Liquid Crystal Display), 3 1/2 digits.

Measurement Range

35 to 130 dB, 3 ranges :

range 1 - 35 to 80 dB, range 2 - 50 to 100 dB, range 3 - 80 to 130 dB,

Each range with warning indicator for over & under load.

Resolution

0.1 dB.

Measurement Frequency

31.5 Hz to 8,000 Hz.

Frequency Weighting Network

Characteristics of " A " frequency weighting network.

The " A weighting " characteristic is simulated as "Human Ear Listing" response.

Time Weighting

Default to " Fast " time weighting characteristics.

" Fast time weighting " is simulated the human ear response character.

Accuracy

(23 ± 5 )

Characteristics of " A " frequency weighting network meet IEC 61672 class 2.

Under 94 dB input signal, the accuracy are :

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

Calibrator

B & K (Bruel & kjaer), multi-fuction acoustic calibrator, model : 4226.

Microphone type

Electric condenser microphone.

Size of microphone

1/2 inch standard size.

Calibration VR

Build in external calibration VR, easy to calibrate on 94 dB level by screw driver.

Data Hold

Hold function to freeze the display value.

Operating Temp.

 to 50  ( 32 to 122 ).

Operating Humidity

Less than 80% RH.

Power Supply

006P DC 9V battery ( heavy duty type ).

Power Consumption

Approx. DC 6mA.

Dimension

255 x 70 x 28 mm ( 8.9 x 2.8 x 1.1 inch).

Weight

250 g/0.55 LB ( including battery ).).

Standard Accessories

Instruction Manual ..............................................1 PC.

Optional Accessories

94 dB Sound Calibrator, Model : SC-941.

94 dB/114 dB Sound Calibrator, Model : SC-942.

Sound wind shield ball, Model : SB-01.

Hard carrying case, Model : CA-06.