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Class 1 Integrating Sound Analyzer Meter (ST-105)

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Model : ST-105

Class 1 Integrating Sound Analyzer Meter

Class 1 comply with IEC – 61672-2013 Class 1

                              IEC – 61260-1995 Class 1


Features :-

- Statistic analysis

- 24 hr measurement

- Integral measurement

- Real time analyzer in 1/1 and 1/3 octave band

- It simultaneously measures A, C, Z and Fast, Slow, Impulse

- Real time clock with calendar

- Sampling frequency : 20.8 µs (48 KHz)

- Wide frequency range : 10 Hz – 20 KHz

- Wide measurement range : 25 dB – 140 dB

- USB and RS-232 interface

- Wide dynamic range : 90 dB

- Fast, Slow, Impulse, PeakC+, PeakC-

- Measurement function : Lxyp, LAFmax, LAF5, LAF10, LAF50, LAF90, LAF95, LAFmin SD, LAeq1s, LAeqT, LAE, LAfeqT, LD, LN, LDN, Lxyi, Lxeq1s, LxeqT,  E, Cpeak+, Cpeak-,  LAFmin, LAFeqT, LASeqT, LAIeqT, Lfmeq1s, LfmeqT


Analysis frequency range :

1/1 Octave ( 11 bands )
16 Hz, 31.5 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 KHz, 2 KHz, 4 KHz, 8 KHz, 16 KHz
1/3 Octave ( 34 bands )
10 Hz (ST-105D), 12.5 Hz, 16 Hz, 20 Hz, 25 Hz, 31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 200 Hz, 250 Hz, 315 Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 KHz, 1.25 KHz, 1.6 KHz, 2 KHz, 2.5 KHz, 3.15 KHz, 4 KHz, 5 KHz, 6.3 KHz, 8 KHz, 10 KHz, 12.5 KHz, 16 KHz, 20 KHz (ST-105D)


Parameters and performance of Octave and 1/3 octave :

Function
Noise’s real-time octave and 1/3 octave spectral analysis and integrating measurement
Frequency weighting
Parallel (simultaneous) A, C, Z. The spectral analysis interface is composed by the frequency spectrum. The total analysis interface is realized by digital filtering
Filter type
Parallel (real-time) octave and 1/3 octave band filter, G=2, digital filter. The noise exposure (E)’s measuring range is 0 – 65.535 Pa2h


Specifications :

Measurement parameter
Lxyp, LAFp, LAFmax, LAFmin,LAF5, LAF10, LAF50, LAF90, LAF95, SD, LAeq1s, LAeqT, LAE, LAfeqT, LD, LN, LDN, Lxyi, Lxeq1s, LxeqT,  E, Cpeak+, Cpeak-,  Lfmeq1s, LfmeqT , Cpeak
Applications
Environmental noise measurement
Machine’s noise analyses
Noise spectrum analyzer
Display
LCD with back light (240 x 160 dots)
Statistic analysis
Yes
24H measurement
Yes
Integrating
Yes
1/1 OCT
Yes
1/3 OCT
Yes
128 records storage
Yes
IEC 61672-1:2002 Class 1
ANSI Si.4 Type 1
CNS No. 7129 Type 1
JJG-188:2002 Class 1
Yes
IEC 61260-1995 Class 1
Yes
Display refresh
10 Hz for value; 1 Hz for graph
Microphone
½” pre-polarized condenser microphone build in preamplifier
Sensitivity : 50 mV/Pa
Frequency range : 10 Hz – 20 KHz
Heat noise : < 16 dB(A)
Measurement range
25 dB – 140 dB (A)
30 dB – 140 dB (C)
35 dB – 140 dB (Z)
Dynamic range
>  90 dB
Instrument background noise
<  13 dB (A),  15 dB (C), 25 dB (Z)
Maximum Peak C sound level measurement
50 dB – 143 dB
Time weighting
Fast, Slow, Impulse, PeakC+, PeakC-
Frequency weighting
A / C / Z
Integrating time
1 second – 24 hour, set in a given range or randomly
Frequency range
10 Hz – 20 KHz
Range gain
- 10 dB, 0 dB, 10 dB, 20 dB, 30 dB, 40 dB
Range error
<= 0.1 dB
Self-generated noise voltage
< 4µV (1 Hz – 23 KHz)
Measuring voltage range
15 µV – 10 Vrms
Sampling frequency
20.8 µs (48 KHz)
Analog output
A C
Starting time
< 10 seconds
Interface
USB  interface, mini B type, complying with USB 1.1, compatible with USB 2.0 which can transfer the measuring result to PC and transfer the data to the flash disk up to 8 G
Power
1.5V x 4 alkaline batteries
External power
AC 100 – 240V to DC 5V
Dimension
285 x 90 x 39 mm (L x W x H)
Weight
500g including batteries; 2.5 kgs including packaging


Terms & Conditions :

  • The above picture is for illustration only
  • All the above descriptions are subject to change without notice
  • Delivery charges will apply to buyers from Sabah, Labuan & Sarawak
  • International buyers, kindly contact us for shipping charges 
  • Free Shipping Within Peninsular Malaysia Only
  • Delivery : approx. 3 to 5 working days ( Peninsular Malaysia )
                    approx. 7 to 10 working days ( Sabah, Labuan & Sarawak, subject to courier delivery schedule )
  • Country of origin : Taiwan
  • Warranty : 1 year against manufacturing defects only

    REMARKS : For warranty claim :-
    - There is NO one to one exchange
    - Instrument need to sent back to manufacturer for rectification, repair & re-calibration


    For enquiries, kindly contact us @
    Tel : +6012 728 1063    
    Email : enquiry@giitechnology.com