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TES-1150/TES-1151 Digital Sound Level Meter

TES-1150 / TES-1151 Digital Sound Level Meter is a precise device for accurate sound level measurement in occupational, environmental, and industrial settings.

  • Measures noise levels from 30 dB to 130 dB with 0.1 dB resolution
  • Compliant with IEC 61672-1 Class 2 and ANSI Type 2 standards
  • Features multiple frequency/time weightings, peak hold, and AC/DC output
  • TES-1151 model includes automatic data logging (4 GB microSD) and PC connectivity

Description

The TES-1150 / TES-1151 Digital Sound Level Meter is a dependable and high-precision instrument engineered for accurate sound pressure level measurements in occupational, environmental, and industrial settings. Complying with IEC 61672-1 Class 2 and ANSI Type 2 standards, it offers a wide measurement range from 30 dB to 130 dB with fine 0.1 dB resolution. Multiple frequency and time weightings, along with peak hold functionality, allow users to capture both steady and fluctuating noise levels with confidence, ensuring flexible and comprehensive sound analysis.

Designed for professional use, the TES-1150 / TES-1151 also features AC/DC output for easy integration with external recorders or monitoring systems. The TES-1151 model enhances functionality with automatic data logging via a 4 GB microSD card and PC connectivity, enabling efficient data storage, analysis, and reporting. Ideal for workplace safety evaluations, industrial noise control, and environmental noise surveys, this sound level meter delivers reliable performance, regulatory compliance, and user-friendly operation.

Features

  • Resolution of 0.1dB
  • range between 30 and 130 dB.
  • maximum hold capability.
  • Frequency weightings in A, C, and Z.
  • Peak hold functions A, C, and Z.
  • Models of dynamic characteristic speed, slowness, and impulse.
  • output jack for AC/DC.
  • Back screw for mounting a tripod.
  • 4GB microSD CARD with auto data memory through Micro-USB (1151). (1151)

Specifications

Applicable Standards IEC 61672-1: 2013 Class 2, ANSI S1.4: 1983 Type 2
Digital Display 4 digital LCD
Measurement LevelRange 30 to 90dB, 45 to 110dB, 65 to 130 dB
PEAK LevelRange 65 to 93.4dB, 85 to 113.4dB, 105 to 133.4 dB (1150)65 to 93dB, 85 to 113dB, 105 to 133 dB (1151)
Resolution 0.1dB
Typical Instrument Frequency Range 31.5Hz to 8kHz
Accuracy ±1.0dB (ref 94dB @1kHz)
Dynamic Range 65dB
Frequency Weighting A, C and Z
Time Weighting F (Fast), S (Slow), and I (Impulse)
Microphone 1/2 inch Electret condenser microphone
Analog output AC output 1.0Vrms corresponding to each range step,Impedance 5kΩ
DC output 10mV/dB (nominally), Impedance: 5kΩ
Auto data memory microSD CARD 4GB   (1151)
Operating Temperature & Humidity -10°C to +50°C, 30% to 90%RH non-condensing
Storage Temperature & Humidity -10°C to +60°C, <70%RH non-condensing
Power Supply One 006P 9V or IEC 6F22 or NEDA 1604 Battery
Battery Life Approx. 24 hours
Dimensions 246(L)×64(W)×26(H)mm
Weight Approx. 180g
Accessories Instruction manual, Battery, Carrying case, 3.5f plug, Adjustment screwdriver, windscreen.CD Software (1151), micro-USB Cable (1151).
Optional Accessory AC adaptor DC9V (1151)

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