# Extech 407730 Digital Sound Level Meter vs PCE Instruments PCE-322A Data Logging Sound Level Meter: specs and price compared

A sourced, side-by-side comparison of the Extech 407730 Digital Sound Level Meter (Extech) and PCE Instruments PCE-322A Data Logging Sound Level Meter (PCE Instruments) among sound level meters. Extech 407730 Digital Sound Level Meter is the cheaper of the two at $114.

## Side by side

| Spec | Extech 407730 Digital Sound Level Meter | PCE Instruments PCE-322A Data Logging Sound Level Meter |
| --- | --- | --- |
| US price | $114 | $265.5 |
| Brand | Extech | PCE Instruments |
| Measurement range (dB) | 40 to 130 dB | 30 to 130 dB |
| Accuracy (dB) | ±2 dB | ±1.4 dB |
| Frequency weighting | A, C | A, C |
| Time weighting | Fast/Slow | Fast (125ms) / Slow (1s) |
| Resolution (dB) | 0.1 | 0.1 |
| Data logging | No | Stores up to 32,700 readings, sampling 2x/sec, USB transfer to PC/Excel |
| Microphone type | 0.5 in. (12.7mm) electret condenser | Electret condenser |

## Key differences

- Measurement range (dB): Extech 407730 Digital Sound Level Meter 40 to 130 dB vs PCE Instruments PCE-322A Data Logging Sound Level Meter 30 to 130 dB
- Accuracy (dB): Extech 407730 Digital Sound Level Meter ±2 dB vs PCE Instruments PCE-322A Data Logging Sound Level Meter ±1.4 dB
- Time weighting: Extech 407730 Digital Sound Level Meter Fast/Slow vs PCE Instruments PCE-322A Data Logging Sound Level Meter Fast (125ms) / Slow (1s)
- Data logging: Extech 407730 Digital Sound Level Meter No vs PCE Instruments PCE-322A Data Logging Sound Level Meter Stores up to 32,700 readings, sampling 2x/sec, USB transfer to PC/Excel
- Microphone type: Extech 407730 Digital Sound Level Meter 0.5 in. (12.7mm) electret condenser vs PCE Instruments PCE-322A Data Logging Sound Level Meter Electret condenser

## Sources

- Extech 407730 Digital Sound Level Meter: https://www.extech.com/products/407730/ (extech.com, verified 2026-08-09)
- PCE Instruments PCE-322A Data Logging Sound Level Meter: https://www.digikey.com/en/product-highlight/p/pce-instruments/pce-322a-class-ii-sound-level-meter (digikey.com, verified 2026-08-09)

Canonical: https://frontdeskreview.com/gear/sound-level-meters/extech-407730-vs-pce-instruments-pce-322a/
Cite: Per The Front Desk Review, Extech 407730 Digital Sound Level Meter ($114) vs PCE Instruments PCE-322A Data Logging Sound Level Meter ($265.5) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/sound-level-meters/extech-407730-vs-pce-instruments-pce-322a/
License: CC BY 4.0.