INSTRUMEX Noise Calibrator / Sound Calibrator

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Model No : GA607

Noise Calibrator / Sound Calibrator manufacturer, supplier, and exporter, Mumbai-India.

The GA607 meets the demanding standards of a class 1 calibrator. It features two calibration levels, 94dB and 104dB re 20μPa both at 1kHz. It is for use with 1/2" microphones. Using the GA607, a sound level meter can be checked at two meter scale points and usually on two ranges. Supplied with GA690 barometer

Key Features

  • Dual Level - 94dB & 104dB relative to 20μPa
  • Built to the requirements of IEC60942:2003 Sound Calibrators
  • Class 1/C.
  • It is supplied with a ½" cavity.

Product Specifications

  • Nominal Sound Pressure level at 101.3kPa (760mm Hg), 23º & 50%RH.
  • Tolerance: ± 0.3dB.
  • Harmonic Distortion: < 3% .
  • Temperature range: -10°C to 50ºC.
  • Batteries: 2 x3V CR2032 (Coin Cell).
  • Life: approx. 70 hours.
  • Cavity diameter: ½" microphone Standard
  • Dimensions: Length: 140mm, Diameter: 51mm, Weight: 230gms.

GA690 Barometer

IEC 60942 states that for a calibrator to be used in the Class 1 category, it must be corrected for barometric pressure. The Castle GA690 barometer is supplied with the GA607 Class 1/C calibrator for just this purpose. With a simple readout on the clear display and a correction table printed on the reverse, this is a simple process.

Technical Specifications

GA690 Specifications
Frequency Range 0 to 1300mbar (0 to 975mmHg)
Resolution 1mbar, 1mmHg
Accuracy ±0.25% FS hysteresis and linearity
Battery 9V Alkaline type 6LR61 (PP3)
Battery life Greater than 2500 hours
Dimensions 106 x 67 x 30mm (LxWxH)
Weight 135g incl. battery

Proudly Developed in India

Instrumex India - is an emerging brand inPortable Particulate Monitor - Measure PM2.5 / PM10 Products. Instrumex India is a leading manufacturer, exporter, and supplier of Portable Particulate Monitor - Measure PM2.5 / PM10 Equipments from Mumbai, India to Far East Asian countries ie. Singapore, Indonesia, Cambodia, Thailand, Philippines, Vietnam, Malaysia, Laos, Middle East countries ie. Egypt, Saudi Arabia, United Arab Emirates, Bahrain, Kuwait, Qatar, Oman, South African countries ie. South Africa, Mauritius, Tanzania, Ethiopia, Morocco, Nigeria, Mozambique, Ghana, Ssouth East Asian countries ie. India, Bangladesh, Sri Lanka, Nepal, Maldives, and South American countries ie. Brazil, Argentina, Colombia, Peru, Chile, Venezuela,Uruguay, Paraguay.