# PCE Instruments PCE-322A Data Logging Sound Level Meter vs Galaxy Audio CM-140 Check Mate SPL Meter: specs and price compared

A sourced, side-by-side comparison of the PCE Instruments PCE-322A Data Logging Sound Level Meter (PCE Instruments) and Galaxy Audio CM-140 Check Mate SPL Meter (Galaxy Audio) among sound level meters. Galaxy Audio CM-140 Check Mate SPL Meter is the cheaper of the two at $179.99.

## Side by side

| Spec | PCE Instruments PCE-322A Data Logging Sound Level Meter | Galaxy Audio CM-140 Check Mate SPL Meter |
| --- | --- | --- |
| US price | $265.5 | $179.99 |
| Brand | PCE Instruments | Galaxy Audio |
| Measurement range (dB) | 30 to 130 dB | Lo 32-80 dB, Med 50-100 dB, Hi 80-130 dB |
| Accuracy (dB) | ±1.4 dB | ±1.5 dB |
| Frequency weighting | A, C | A (per IEC 651/ANSI S1.4 Type 2) |
| Time weighting | Fast (125ms) / Slow (1s) | Fast/Slow |
| Resolution (dB) | 0.1 | 0.1 |
| Data logging | Stores up to 32,700 readings, sampling 2x/sec, USB transfer to PC/Excel | No |
| Microphone type | Electret condenser | Electret condenser |

## Key differences

- Measurement range (dB): PCE Instruments PCE-322A Data Logging Sound Level Meter 30 to 130 dB vs Galaxy Audio CM-140 Check Mate SPL Meter Lo 32-80 dB, Med 50-100 dB, Hi 80-130 dB
- Accuracy (dB): PCE Instruments PCE-322A Data Logging Sound Level Meter ±1.4 dB vs Galaxy Audio CM-140 Check Mate SPL Meter ±1.5 dB
- Frequency weighting: PCE Instruments PCE-322A Data Logging Sound Level Meter A, C vs Galaxy Audio CM-140 Check Mate SPL Meter A (per IEC 651/ANSI S1.4 Type 2)
- Time weighting: PCE Instruments PCE-322A Data Logging Sound Level Meter Fast (125ms) / Slow (1s) vs Galaxy Audio CM-140 Check Mate SPL Meter Fast/Slow
- Data logging: PCE Instruments PCE-322A Data Logging Sound Level Meter Stores up to 32,700 readings, sampling 2x/sec, USB transfer to PC/Excel vs Galaxy Audio CM-140 Check Mate SPL Meter No

## Sources

- 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)
- Galaxy Audio CM-140 Check Mate SPL Meter: https://galaxyaudio.com/products/cm-140/ (galaxyaudio.com, verified 2026-08-09)

Canonical: https://frontdeskreview.com/gear/sound-level-meters/pce-instruments-pce-322a-vs-galaxy-audio-cm-140/
Cite: Per The Front Desk Review, PCE Instruments PCE-322A Data Logging Sound Level Meter ($265.5) vs Galaxy Audio CM-140 Check Mate SPL Meter ($179.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/sound-level-meters/pce-instruments-pce-322a-vs-galaxy-audio-cm-140/
License: CC BY 4.0.