# REED Instruments R8050 Dual Range Sound Level Meter vs Galaxy Audio CM-140 Check Mate SPL Meter: specs and price compared

A sourced, side-by-side comparison of the REED Instruments R8050 Dual Range Sound Level Meter (REED Instruments) and Galaxy Audio CM-140 Check Mate SPL Meter (Galaxy Audio) among sound level meters. REED Instruments R8050 Dual Range Sound Level Meter is the cheaper of the two at $160.

## Side by side

| Spec | REED Instruments R8050 Dual Range Sound Level Meter | Galaxy Audio CM-140 Check Mate SPL Meter |
| --- | --- | --- |
| US price | $160 | $179.99 |
| Brand | REED Instruments | Galaxy Audio |
| Measurement range (dB) | Low 35-100 dB, High 65-135 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/Slow | Fast/Slow |
| Resolution (dB) | 0.1 | 0.1 |
| Data logging | No | No |
| Microphone type | 1/2 in. electret condenser | Electret condenser |

## Key differences

- Measurement range (dB): REED Instruments R8050 Dual Range Sound Level Meter Low 35-100 dB, High 65-135 dB vs Galaxy Audio CM-140 Check Mate SPL Meter Lo 32-80 dB, Med 50-100 dB, Hi 80-130 dB
- Accuracy (dB): REED Instruments R8050 Dual Range Sound Level Meter ±1.4 dB vs Galaxy Audio CM-140 Check Mate SPL Meter ±1.5 dB
- Frequency weighting: REED Instruments R8050 Dual Range Sound Level Meter A, C vs Galaxy Audio CM-140 Check Mate SPL Meter A (per IEC 651/ANSI S1.4 Type 2)
- Microphone type: REED Instruments R8050 Dual Range Sound Level Meter 1/2 in. electret condenser vs Galaxy Audio CM-140 Check Mate SPL Meter Electret condenser

## Sources

- REED Instruments R8050 Dual Range Sound Level Meter: https://www.reedinstruments.com/product/reed-instruments-r8050-sound-level-meter (reedinstruments.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/reed-r8050-vs-galaxy-audio-cm-140/
Cite: Per The Front Desk Review, REED Instruments R8050 Dual Range Sound Level Meter ($160) vs Galaxy Audio CM-140 Check Mate SPL Meter ($179.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/sound-level-meters/reed-r8050-vs-galaxy-audio-cm-140/
License: CC BY 4.0.