SPECIFICATIONS
Embedded microcontroller Custom one-chip LSI device
Display type Liquid-crystal with green backlight
Display size 2.05 x 1.5 in. (52 x 38mm)
Parameter measured dB
Frequency range 31.5 Hz to 8 kHz
Measurement range 30 to 130 dB in autoranging mode; user can also select fixed
range of 30 to 80 dB, 50 to 100 dB, or 80 to 130 dB
Measurement weighting By frequency and time; frequency weighing uses
“A” or “C” standard; time weighting is fast or slow
(200 ms or 500 ms response time)
Measurement accuracy With “A” frequency weighting: ±3.5 dB @ 31.5 Hz,
±2. 5 dB @ 63 Hz, ±2 dB @ 125 Hz, ±1.9 dB @ 250 Hz,
±1.9 dB @ 500 Hz, ±1.4 dB @ 1 kHz, ±2.6 dB @ 2 kHz,
±3.6 dB @ 4 kHz, ±5.6 dB @ 8 kHz
Measurement resolution 0.1 dB
Sampling time options 0, 1, 2, 5, 10, 30, 60, 120, 300, 600, 1800 or 3600 seconds
(0 seconds to 1 hour)
Settable parameters Date, time, auto power off, beep sound, sampling time,
decimal point or comma decimal division, “A” or “C”
frequency weighting, fast or slow time weighting
Storable/recallable readings Maximum, minimum
SD card capacity 1 GB to 16 GB
Operating temperature 32º to 122ºF (0º to 50ºC)
Operating relative humidity 0 to 85%
Power source 6 Alkaline “AA” batteries or optional 9-VDC AC adapter
Power consumption 8 mADC (normal operation, with backlight off and SD card not
saving data); 30 mADC with backlight on and card saving
data; 44 mADC with backlight on and card saving data
Dimensions of meter 9.65 x 2.68 x 1.77 in. (245 x 68 x 45mm)
Weight of meter 1.08 lb. (489g)
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