TSI Quest Acoustical Class 1 Calibrator AC-300

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28 NOVEMBER 2025

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UNITED STATES

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Product Features

Conforms to IEC 60942 (2003) for sound calibrators and ANSI S1.40-1983 (R2011) specifications and verification procedures for sound level meters
Output frequency 250 Hz or 1000 Hz ±0.5%
Runs on a single 9V battery; expected life 18 hours

AcoustiCal Class 1 Calibrator for TSI Quest SoundPro, Sound Examiner, Edge 4 & Edge 5 Noise Dosimeters, and Sound Detector instruments.

Conforms to IEC 60942 (2003) for sound calibrators and ANSI S1.40-1983 (R2011) specifications and verification procedures for sound level meters
Output frequency 250 Hz or 1000 Hz ±0.5%
Runs on a single 9V battery; expected life 18 hours
Class 1 Acoustic Calibrator with two frequency levels and one sound pressure level
Generates two settings with either 250 Hz or 1000 Hz at a sound pressure level of 114dB

General	Size 3.9” (L) x 2.3” (W) x 1.8” (D) / 10 cm (L)x 5.8 cm (W) x 4.6 cm (D) Weight 6 oz (0.17 kg) Battery 1 x 9v alkaline battery (ANSI/NEDA 1604A, IEC 6LR61) Approx. 18 hours (@ 1 kHz)
Conformance to Standards	ANSI S1.40-2006 (R2011) Specifications and Verification Proceduresfor Sound Calibrators IEC 60942 (2003) Electroacoustics, Sound Calibrator/Class 1 CE, RoHS, WEEE, C-Tick
Outputs	Frequency 250 Hz and 1,000 Hz, +/- 0.5% with expanded uncertainty in environmental conditions Sound Pressure Level 114.0 dB re 20μPa (1 Pa = 1 N/m2)
Operating Environmental Conditions	Temperature Range 14°F to 122°F (-10°C to 50°C) Pressure Range 65kPa to 108kPa (19 to 32 inches of Hg) Approximate 11,500 ft to -2,000 ft elevation relative to sea level (3,500 m to -600 m) Relative Humidity Range 10% to 90%, non-condensing
Storage Environmental Conditions	Temperature Range -4°F to 149°F (-20°C to 65°C) with battery removed Storage HumidityRange 0% to 90%, non-condensing