LANDTEK
LANDTEK ND9A Sound Level Calibrator 94 dB 114 dB ±0.3 dB 1000 Hz electrician tool
Handy sound source for calibrating sound level meters at 94 dB and 114 dB with ±0.3 dB accuracy at 1000 Hz
- Color/FinishRed
- Item Count1 pack
- Selling UnitBox
- Parts3 Years
- Labor1 Year
- Accurate field calibration at 94 dB and 114 dB
- ±0.3 dB precision meets IEC 942 and ANSI S1.40 standards
- 1000 Hz tone suits 1″ and 1/2″ microphone verification
- Solid-state circuitry delivers stable output for lab and site use
- Compact 142×47×47 mm design weighs 275 g with 9 V battery
Sound Level Calibrator for Field and Lab Use
The LANDTEK ND9A Sound Level Calibrator provides a handy sound source for quick and easy calibration of sound level meters and sound measuring systems. It employs solid state integrated circuitry for accurate and stable performance. Suitable for both field and laboratory environments.
Accuracy and Standards Compliance
The calibrator delivers sound pressure levels of 94 dB and 114 dB at a frequency of 1000 Hz. Accuracy is rated at ±0.3 dB for the 94 dB level and ±0.5 dB for the 114 dB level. The device conforms to GB/T15173, ANSI S1.40 and IEC942 standards.
Battery Power and Microphone Compatibility
Operation requires one 9V 6F22 battery which is included in the 275 g unit weight. The calibrator supports sensitivity calibration for 1 inch and 1/2 inch microphones. Verify your microphone diameter matches one of these sizes before ordering.
Highlights
- Accurate field calibration at 94 dB and 114 dB
- ±0.3 dB precision meets IEC 942 and ANSI S1.40 standards
- 1000 Hz tone suits 1″ and 1/2″ microphone verification
- Solid-state circuitry delivers stable output for lab and site use
- Compact 142×47×47 mm design weighs 275 g with 9 V battery
Specifications
| Brand | LANDTEK |
|---|---|
| Model | ND9B |
| Color/Finish | Red |
| Item Count | 1 pack |
| Selling Unit | Box |
| Parts | 3 Years |
| Labor | 1 Year |
Questions about this item
How much power does the ND9A draw when it runs all day at 114 dB?
The calibrator is powered by a single 9 V 6F22 battery; no mains supply or current-draw figure is published.
What microphone sizes can I calibrate with the ND9A without buying extra adapters?
It accepts 1-inch and 1/2-inch microphones directly for sensitivity calibration.
Will the ND9A still meet the ±0.3 dB accuracy spec if I use it with a meter that only complies with the older IEC 942 standard?
Yes — the calibrator conforms to GB/T 15173, ANSI S1.40 and IEC 942, so it remains within ±0.3 dB at 94 dB and 114 dB when paired with meters built to any of those standards.
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