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Integrating Sound Level Meter (ST-109R)

RM 0.00


Model : ST-109R

Comply with IEC-61672-1:2002 class 1

Applications :
- Evaluation of environmental noise
- Measurements of noise at workplaces
- Assessment of product noise

Specifications :

USB interface Yes
Data stored up 37,000 records
Micro SD card Up to 32G
Bargraph display Yes
Display 3-1/2 digit backlit LCD display with maximum reading of   1999
Display refresh rate 1 time / second
Applicable standards IEC 61672-1:2002 class 1
 ANSI S1.4 Type 1
 CNS NO. 7129 Type 1
 JJG-188-2002 class 1
Microphone 1/2 pre-polarized condenser microphone build in   preamplifier   : -26 +/- 2 dB (50MV/Pa)
 Frequency range : 10 Hz - 20 KHz
 Heat noise : < 28 dB (A)
Measurement items Lxyp, Lxmax, Lxmin, Lxeq, LAE, Lcpeak, RT60
Measurement range 30 dB - 130 dB (A)
 35 dB - 130 dB (C)
 40 dB - 130 dB (Z)
Range 30 dB - 90 dB (L)
 50 dB - 130 dB (M)
 70 dB - 130 dB (H)
Dynamic range 60 dB
Integrate time setup Manual, 10s, 1m, 5m, 10m, 30m, 1h, 2h, 4h, 8h, 16h, 24h   or set in a given range
Maximum peak C sound level Measurement 70 - 133 dB
Time weighting Fast, Slow, Impulse
Frequency weighting A / C / Z
Frequency range 20 Hz - 16 KHz
DC output 10 mV / 1 dB
AC output 1 Vrms (+/- 10%) / 130 dB each range
Battery life approx. 30 hours
Power 1.5V x 4 alkaline batteries
External power AC 100 - 240 V to DC 6 - 9 V / 0.5A
Dimension 285 x 90 x 39 mm (L x W x H)
Weight 550g (including batteries), 1.35 kgs (including package)


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 : [email protected]