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Home » Our Products » Measuring Instruments » Sound Level Meter

Sound Level Meter AR-844 (new edition instead of AR834) RT/SL-5868P RT/SR5451
RT/SR5450 RT/ET-933 Sound Level Meter RT-ET-958(sound level with data logger)

Sound Level Meter AR-844 (new edition instead of AR834)

We deal in exclusive range of Sound Level Meter which is known for high quality and durability.
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Detail Description : Rtek Instruments
Sound Level Meter is engaged in producing and providing a wide range of Measuring Instruments that are available in varied sizes, shapes and specification to suits the various requirements of our valued customers. These are perfectly designed as per the various industrial requirements.
Specification : Rtek Instruments
Stardard IEC pub 651 TYPE2 ANSI S1.4 TYPE2
Measuring Range 30~130dBA, 35~130dBC
Accuracy +/- 1.5dB
Frequency Range 31.5Hz~8.5KHz
Linearity Range 50dB or 100dB
Sound Measuring level selection (30~80dB, 50~100dB, 60~110dB, 80~130dB, 30~130dB)
Microphone 1/2 inch electret condense microphone
Sampling frequency 2times/second
Fast/Slow weight selection
A/C frequency weight selection
AC/WPM output interface
Over range indication
Max reading hold function
Low battery indication
Can record 4700 data
Set up spacing interval (1s~250s)
Connect to the computer with USB interface
Corresponding analyze software D

Packing Information
Power: 4*AA 6V battery or DC adapter(not included)
Net weight: 240g(not include the battery)
Size: 226x80x36mm
Packing style: Gift box+PP carrying box
Q'ty per carton: 12PCS
Standard carton size: 52.5x45.5x34.0cm
Display: large and easy-to-read LCD screen
G. W of the carton: 13.3kg
Rtek Instruments
Rtek Instruments



RT/SL-5868P


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TECHNICAL SPECIFICATION : Rtek Instruments
Rtek Instruments
Rtek Instruments
Rtek Instruments



RT/SR5451


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Detail Description : Rtek Instruments
  • Measuring range: 30~130 dBA
  • Accuracy: ±1.5 dB
  • Digit & Resolution: 4digit & 0.1 dB
  • Frequency response: 31.5Hz ~8.5KHz
  • Frequency weighting characteristic: A
  • Sampling rate: 2times/second
  • Microphone: polarization capacitance microphone
  • Low battery indication
  • Power: 9V battery
  • Standard Quantity Per Carton: 60pcs
  • Standard Carton Size: 48*47*40CM
  • Standard Carton Gross Weight: 12kg
  • Volume Weight: 18.05KGS
Rtek Instruments
Rtek Instruments



RT/SR5450


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Detail Description : Rtek Instruments
  1. With a panoramic backlight (scale range: 30dB-130dB)
  2. Two measurement method provides the accuracy of 1.5dB
  3. The compact novel, with high-performance, comply with IEC651 standard
  4. To maintain and maximum data retention
  5. Weight: 230 grams
  6. Range :
    • Lo (low) - Band: 30dB ~ 100dB
    • Hi (high) - Band: 60dB ~ 130dB
    • Basic accuracy: 94dB when ± 1.5dB, 1kHz sine wave
    • Sound level bands: A, C
    • Resolution: 0.1dB
Rtek Instruments
Rtek Instruments

RT/ET-933 Sound Level Meter


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Features : Rtek Instruments
  • Applied standard : IEC61672-1 CLASS2
  • Frequency weighting: A and C
  • Time weighting: FAST and SLOW
  • MAX/MIN record
  • Data Hold
  • Overragne indication
  • Analog bar-graph indication
Technical Specification : Rtek Instruments
Applied standard: IEC61672-1 CLASS2
Accuracy: ±1.4dB
Frequency range: 31.5Hz~8kHz
Dynamic range: 50dB
Measuring level range: Lo: 30dB~80dB     Med: 50dB~100dB     Med: 50dB~100dB     Auto: 30dB~130dB
Frequency weighting: A and C
Time weighting: FAST 125ms; SLOW ( 1s )
Microphone: 1/2 inch electret condenser microphone
Resolution: 0.1dB
Sampling time: 2 times/second
MAX hold: MAX
MIN hold: MIN
DATA hold: HOLD
Overragne indication: "OVER" or "UNDER"
Backlight display: Rtek Instruments
Analog measurement: fast analog bar-graph indication
Operating conditions: -20oC~+60oC: 10%RH~90%RH
Storage conditions: -20oC~+60oC: 10%RH~75%RH
Auto power off: the meter will be automatically shut off in activity of 15 minutes
Dimensions(H*W*D): 252mm* 66mm* 33mm
Weight: 178g
Rtek Instruments
Rtek Instruments

Professional Sound Level Meters with Datalogger RT/ET-956/958

The sound level meter is designed for noise project, quality control, illness prevention and cure, and all kinds of environmental sounds measurements. It is applied in the sounds measurement at factory, school, office and household, etc.
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Features : Rtek Instruments
  • This unit complies with the IEC61672-1 class 2
  • MAX & MIN measurements
  • Overrange display
  • Underrange display
  • A & C weighting
  • FAST & SLOW response
  • Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder
  • PC real-time monitoring and recording
  • Datalogger function(ET-958)
  • Memory up to 262144 readings(ET-958)
Technical Specification : Rtek Instruments
Applied standard: IEC61672-1 CLASS2
Measuring level range: Lo: 30dB~80dB     Med: 50dB~100dB     Hi:80~130dB     Auto: 30dB~130dB
Operating conditions: -20~+60oC/10%~90%RH(Non-condensation)
Storage Conditions -20~60 °C/ 10%~75%RH(Non-condensation)
Accuracy ±1.4dB
Resolution 0.1dB
Frequency Range 31.5Hz~8kHz
Dynamic Range 50dB
Frequency Weighting A & C
Time Weighting FAST 125ms; SLOW ( 1s )
Sampling Time 2 times/second
Microphone 1/2 inch electret condenser microphone
Dimension(L*W*H) 252*66 *33 mm
Weight 262g
Accessories User's manual, 9V battery, windscreen, regula~rrod, ?3.5 earphone plug, USB cable, adap~r, software, tripod(optional),gift box, carrying case
PC Real-time Moni~ring And Recording
Datalogger Function(ET-958)
Memory Up ~ 262144 Readings(ET-958)
Rtek Instruments
Rtek Instruments

Sound Level Meter AR-844 (new edition instead of AR834) RT/SL-5868P RT/SR5451
RT/SR5450 RT/ET-933 Sound Level Meter RT-ET-958(sound level with data logger)