Testo 0554 0452 Sound Level Calibrator, ±0.5 dB Accuracy, 94 dB, 114 dB Output, 1/2 in, 1 in Microphone

For testing and adjusting sound level measurement equipment
LED display for function and battery status
2 levels can be set
Suitable for 1/2-inch and 1-inch microphones

  Sound level calibrator, adapter ring for 1/2-inch microphones, carry case, instructions

Use this sound level calibrator from Testo to precisely fine-tune your sound level meters for accurate readings. When attached to a measuring device, it provides a reference point to ensure that the meter is working within a set tolerance level. It's powered by a 9V battery that provides up to 40 hours of operating time when fully charged, so this device is suitable for long-term portability. Thanks to its sound level accuracy of +0.5dB, it helps to keep your meter precisely calibrated.

• Broad operating temperature range of 0°C to +40°C for use in demanding conditions
• Compact dimensions of 113 (length) x 63 (width) x 44mm (height) for ease of handling
• LED light and audible beep sound indicate the device is powered on for simple status monitoring
• Battery is rechargeable for long-lasting use and reduced battery waste

• Assembly lines
• Transportation industry
• Mining and construction sites

This calibrator, with the batteries installed, has a light weight of 170g, which makes it simple to handle and carry around.