Keterangan
SOUND LEVEL METER AND CALIBRATOR ( type 2)Model : LXT2
Product : Larson Davis ( USA)
Fungsi : Untuk monitoring kebisingan di area : Tambang, Pemukiman
Bandara, Terminal, Area kerja dan lain-lain.
a. SOUND LEVEL METER
ª Range : 37 to 140 dB SPL ( A)
37 to 140 dB SPL ( C)
42 to 140 dB SPL ( Z)
ª SPL Max : 140 dB SPL
ª Peak max. Level : 143 dB
ª Measurement : SPL, Leq, TWA( 2) , Lmin, Lmax, Lpeak, Lpeak( max) Dose( 2) , Proj. Dose( 2) , Lep, d, E, E8, E40, SEA, Ln( 6) , Event Counters ( 3) ; ( 2 RMS, 1 Peak)
ª Data Storage : Flash Data Storage : 8MB standard, 128MB optional Communication to PC via USB2.0
ª Display : High contrast monochrome black on white, 1/ 8th VGA 160 x 240 dot graphoc, 4 level grey-scale, bright white LED backlight
ª Keypad : Silicone elastomer " quiet touch " with tactile feedback, 4 dedicated function keys, 3 context soft-keys and 5 navigation keys
ª Power : Internal 4 AA cells, 1.5Volts each; alkaline, NiMH or photo-Lithium External, 5.0 ± % 500mA maximum, USB powered Battery life, approx 20 hours, depending on usage
ª Standards : ANSI, IEC, CE, Compliant
b CALIBRATOR, CAL150
ª Calibration level : 94.0 and 114.0 dB re: 20 µ Pa
ª Frequency : 1 kHz± 1%
ª Stability : ± 0.1 dB after 2 second
ª Battery : 9V NEDA 1604A or IEC 6LR61
ª Standards met : ANSI S1.40-1984 for Acoustic Calibrators
IEC 60942-2003 Class2 Sound Calibrators
ª CE : CE-mark indicates comliance with EMC Directive
ª EMC Emission : EN 50081-1; Generic emission standard
ª EMC Immunity : EN 50082-2; Generic Immunity standard
c. Complete unit : Storage case
: Calibrator, 94 or 114dB with adaptor
: Power supply
: USB cable
: Windscreen
: Mircophone
: Preamplifier
