# REED Instruments R8050 Dual Range Sound Level Meter vs Tenma 72-947 Digital Sound Level Meter with USB Interface and Datalogging: specs and price compared

A sourced, side-by-side comparison of the REED Instruments R8050 Dual Range Sound Level Meter (REED Instruments) and Tenma 72-947 Digital Sound Level Meter with USB Interface and Datalogging (Tenma) 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 | Tenma 72-947 Digital Sound Level Meter with USB Interface and Datalogging |
| --- | --- | --- |
| US price | $160 | $231.92 |
| Brand | REED Instruments | Tenma |
| Measurement range (dB) | Low 35-100 dB, High 65-135 dB | 30 to 130 dB |
| Accuracy (dB) | ±1.4 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 | Internal datalogging up to 20,000 records; USB interface with Windows datalogging software |
| Microphone type | 1/2 in. electret condenser | 1/2 in. electret condenser |

## Key differences

- Measurement range (dB): REED Instruments R8050 Dual Range Sound Level Meter Low 35-100 dB, High 65-135 dB vs Tenma 72-947 Digital Sound Level Meter with USB Interface and Datalogging 30 to 130 dB
- Time weighting: REED Instruments R8050 Dual Range Sound Level Meter Fast/Slow vs Tenma 72-947 Digital Sound Level Meter with USB Interface and Datalogging Fast (125ms) / Slow (1s)
- Data logging: REED Instruments R8050 Dual Range Sound Level Meter No vs Tenma 72-947 Digital Sound Level Meter with USB Interface and Datalogging Internal datalogging up to 20,000 records; USB interface with Windows datalogging software

## 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)
- Tenma 72-947 Digital Sound Level Meter with USB Interface and Datalogging: https://www.farnell.com/datasheets/2616992.pdf (farnell.com, verified 2026-08-09)

Canonical: https://frontdeskreview.com/gear/sound-level-meters/reed-r8050-vs-tenma-72-947/
Cite: Per The Front Desk Review, REED Instruments R8050 Dual Range Sound Level Meter ($160) vs Tenma 72-947 Digital Sound Level Meter with USB Interface and Datalogging ($231.92) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/sound-level-meters/reed-r8050-vs-tenma-72-947/
License: CC BY 4.0.