The Triplett 3550 SoniChek PRO Professional Sound Level Meter is a professional sound level meter designed to be used in industrial applications where ANSI standards are called for. This highly accurate meter was designed according to IEC651 (Type 2) and ANSI S1.4 (Type 2) standards. Its large backlit display and A/C weighting make it an ideal choice for any installer. Overall, the SoniChek PRO is well suited for a variety of commercial and residential applications such as fire alarm, home theater, plant maintenance, HVAC installations and more.
3550-NIST Comes with Certificate of traceability to NIST Standards
Features:
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Designed according to IEC651 (Type 2) and ANSI S1.4 (Type 2) standards with an accuracy: ± 1.5dB (94dB @ 1kHz)
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A/C weighted measurement with fast/slow response reads 30 to 130dB and has a frequency range of 31.5Hz to 8kHz
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AC/DC analog output
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Analog bargraph, Max hold, and Tripod mount
- Lead time for NIST Certified products is 5-7 business days
- Upon order placement, please provide the company name that should appear on the certificate. Without this information, we will not be able to provide a certificate of calibration.
Specifications:
| Measurement Range | 30 to 130dB |
| Accuracy | ±1.5dB (94dB@1kHz) |
| Resolution | 0.1dB |
| Frequency Range | 31.5Hz to 8kHz |
| Weighting | A and C |
| Response Time | Fast (125ms)/Slow (1s) |
| Analog Output | AC and DC |
| Power | (4) AA batteries or USB |
| Dimensions | 9.6 x 2.8 x 1.8'' (245 x 70 x 45mm) |
| Weight | 8.5oz. (240g) |
US 18268 
GB 13817 
CA 11328 
AU 10500 
IE 4740 
NZ 3863 
IN 1372 
MY 1158 
