# What are the quietest hand levels on the market? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the quietest hand levels on the market?

## Products

### ATO ATO-SLM-5661-3 Sound Level Meter, 25 to 140 dB
```yaml
product: ato-ato-slm-5661-3-sound-level-meter-25-to-140-db
brand: ATO
price_gbp: 2950.6
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 1.5 kg
accuracy: Class 1
```

- **Price:** £2950.6 [^1]
- **Summary:** This professional Class 1 sound level meter measures from 25 to 140 dB and supports A, C, and Z frequency weighting. It includes RS-232 output and storage for up to 8000 data groups, making it suitable for industrial, environmental, and occupational noise measurement.
- **Ideal For:** It suits people looking for the quietest hand levels because its Class 1 accuracy, measurement range down to 25 dB, and multiple weighting modes support precise identification of low-level noise.

### ATO ATO-SLM-5688 Sound Level Meter, 28 to 133 dB
```yaml
product: ato-ato-slm-5688-sound-level-meter-28-to-133-db
brand: ATO
price_gbp: 5902.22
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
length: 240 mm
weight: 2.5 kg
accuracy: ±1.0 dB
```

- **Price:** £5902.22 [^2]
- **Summary:** This professional Class 2 sound level meter measures from 28 to 133 dB with ±1.0 dB accuracy. It includes GPS, Bluetooth, recording, 3 MB data storage, and a 2.6 in color display, making it suitable for workplace, environmental, industrial, and building-noise monitoring.
- **Ideal For:** It suits users comparing quiet hand levels because its 28 dB lower measurement limit and ±1.0 dB accuracy support precise measurement of relatively quiet environments.
- **Additional Sources:** [^3]

### ATO ATO-SLM-5636-4 Sound Level Meter, 30 to 130 dB
```yaml
product: ato-ato-slm-5636-4-sound-level-meter-30-to-130-db
brand: ATO
price_gbp: 1984.65
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
length: 190 mm
weight: 1.5 kg
accuracy: Class 2
```

- **Price:** £1984.65 [^4]
- **Summary:** This professional handheld sound level meter measures sound from 30 to 130 dB and uses digital signal processing with data storage for up to 8000 groups. It suits industrial, environmental, workplace health, transportation, and research noise monitoring.
- **Ideal For:** It suits people seeking quietest hand levels because its 30 to 130 dB range and Class 2 accuracy support reliable measurement of low ambient noise and other sound levels.

### Stabila 96-2 / 40 cm (15225)
```yaml
product: stabila-96-2-40-cm-15225
brand: Stabila
price_gbp: 25.04
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
length: 40 cm
weight: 0.464 kg
accuracy: ±0.5 mm/m normal position; ±0.75 mm/m reverse position
```

- **Price:** £25.04 [^5]
- **Summary:** A compact 40 cm professional spirit level with a rigid reinforced aluminium profile, two vertical vials, one horizontal vial, and two precision-milled measuring surfaces. Removable shock-absorbing end caps with slip-stoppers make it well suited to tradespeople, fitting work, carpentry, and DIY tasks.
- **Ideal For:** It suits users seeking a quieter hand level because its removable shock-absorbing end caps and slip-stoppers help reduce hard contact and movement noise while working, although no decibel rating is provided.
- **Additional Sources:** [^6], [^7]

### Stabila Type 70-2 / 180 cm (14190)
```yaml
product: stabila-type-70-2-180-cm-14190
brand: Stabila
price_gbp: 37.18
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
length: 180 cm
weight: 1.359 kg
accuracy: ±0.50 mm/m
```

- **Price:** £37.18 [^8]
- **Summary:** This is a lightweight 180 cm aluminium spirit level with one horizontal vial, two vertical vials, and a coated measuring surface. Its 0.50 mm/m accuracy suits joinery, tiling, electrical work, heating installation, professional trades, and DIY.
- **Ideal For:** For users seeking quiet hand levels, its lightweight 1.359 kg construction, smooth electrostatic powder coating, coated measuring surface, and plastic end caps are practical features for quieter handling, although it has no stated acoustic or noise-reduction specification.
- **Additional Sources:** [^9]

### Stabila Type 70-2 / 60 cm (02324)
```yaml
product: stabila-type-70-2-60-cm-02324
brand: Stabila
price_gbp: 13.5
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
length: 60 cm
accuracy: ±0.50 mm/m
magnetic_base: No
```

- **Price:** £13.5 [^10]
- **Summary:** A lightweight 60 cm aluminium spirit level with one horizontal vial and two vertical vials for readings in multiple positions. Its coated measuring surface, smooth profile, and impact-resistant end caps suit joinery, electrical work, tiling, heating installation, and DIY.
- **Ideal For:** It suits users seeking a quiet hand level because it has no magnetic base and uses a lightweight aluminium profile, while its ±0.50 mm/m accuracy and three-vial layout provide dependable readings without added mechanical features.
- **Additional Sources:** [^11], [^12]

### ATO ATO-SLM-6292 Sound Level Meter, 20 to 143 dB
```yaml
product: ato-ato-slm-6292-sound-level-meter-20-to-143-db
brand: ATO
price_gbp: 5806.52
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 910g
```

- **Price:** £5806.52 [^13]
- **Summary:** This Class 1 sound level meter measures from 20 to 143 dB and features a 4.3in color touchscreen, IP65 protection, GPS, and 4G, WiFi, Bluetooth, USB, and serial connectivity. It suits professional environmental, industrial, workplace, and long-term noise-monitoring applications.
- **Ideal For:** It suits evaluating quiet environments because its 20 dB lower measurement limit, Class 1 design, and 24-hour automatic monitoring support sensitive and professional noise measurements.

### PCE Instruments PCE-323 Sound Level Meter Data Logger, 30 to 130 dB
```yaml
product: pce-instruments-pce-323-sound-level-meter-data-logger-30-to-130-db
brand: PCE Instruments
price_gbp: 168.98
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
length: 278 mm
weight: 350 g
accuracy: ±1.4 dB
```

- **Price:** £168.98 [^14]
- **Summary:** The PCE-323 is a Class 2 Bluetooth sound level meter with a 30 to 130 dB range, A and C frequency weighting, USB connectivity, and data logging for up to 32700 readings. Its tripod mount, included mini tripod, and mobile-app support suit workplace noise monitoring, environmental checks, and longer-term sound recording.
- **Ideal For:** It suits the question 'What are the quietest hand levels on the market?' because its 30 dB lower measurement limit, 0.1 dB resolution, ±1.4 dB accuracy, and tripod-supported data logging enable detailed measurement of relatively quiet sound levels.
- **Additional Sources:** [^15]

### PCE Instruments PCE-325D-ICA Calibrated Sound Level Meter, 30 to 130 dB
```yaml
product: pce-instruments-pce-325d-ica-calibrated-sound-level-meter-30-to-130-db
brand: PCE Instruments
price_gbp: 171.93
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
length: 248 mm
weight: 307 g
accuracy: ±1.5 dB
```

- **Price:** £171.93 [^16]
- **Summary:** This calibrated sound level meter measures from 30 to 130 dB with A and C frequency weighting, fast and slow response modes, and MIN, MAX, and HOLD functions. Its data logger stores up to 32000 readings and includes PC software, making it suitable for industrial noise monitoring, workplace assessments, laboratories, and compliance documentation.
- **Ideal For:** It suits identifying the quietest hand levels because its 30 dB lower measurement limit and ±1.5 dB accuracy support measurement of very low sound levels, although it is a sound level meter rather than a hand level.
- **Additional Sources:** [^17]

---
## References & Sources
[^1]: ATO, accessed 2026-09-13. https://www.ato.com/sound-level-meter-25-140-db
[^2]: ATO.com, accessed 2026-09-13. https://www.ato.com/sound-level-meter-28-133-db
[^3]: SISCO.com, accessed 2026-09-13. https://www.sisco.com/sound-level-meter-28-to-133-db
[^4]: ATO, accessed 2026-09-13. https://www.ato.com/sound-level-meter-30-130-db
[^5]: Power Tools Direct, accessed 2026-09-13. https://www.powertoolsdirect.com/stabila-96-2-40-spirit-level-3-vial-15225-40cm
[^6]: ToolChimp, accessed 2026-09-13. https://www.toolchimp.co.uk/stabila-96-2-40-spirit-level-3-vial-15225-40cm
[^7]: Pro Tiler Tools, accessed 2026-09-13. https://www.protilertools.co.uk/product/stabila-type-96-2-spirit-level-40cm-15225
[^8]: Pro Tiler Tools, accessed 2026-09-13. https://www.protilertools.co.uk/product/stabila-type-70-2-spirit-level-180cm-14190
[^9]: Power Tools Direct, accessed 2026-09-13. https://www.powertoolsdirect.com/stabila-70-2-180-double-plumb-spirit-level-3-vial-180cm
[^10]: Northants Tools, accessed 2026-09-13. https://www.northantstools.com/product/stabila-type-70-2-spirit-level-60cm-02324
[^11]: Pro Tiler Tools, accessed 2026-09-13. https://www.protilertools.co.uk/product/stabila-type-70-2-spirit-level-60cm-02324
[^12]: ToolChimp, accessed 2026-09-13. https://www.toolchimp.co.uk/stabila-70-2-60-double-plumb-spirit-level-3-vial-60cm-02324
[^13]: ATO, accessed 2026-09-13. https://www.ato.com/sound-level-meter-20-143-db
[^14]: PCE Instruments UK, accessed 2026-09-13. https://www.pce-instruments.com/english/measuring-instruments/test-meters/noise-meter-sound-meter-pce-instruments-noise-meter-sound-meter-pce-323-det_5991242.htm
[^15]: Galaxus, accessed 2026-09-13. https://www.galaxus.at/en/s4/producttype/toplist/relevance/sound-level-meter-3791
[^16]: PCE Instruments UK, accessed 2026-09-13. https://www.pce-instruments.com/english/measuring-instruments/test-meters/noise-meter-sound-meter-pce-instruments-noise-meter-sound-meter-pce-325d-ica-incl.-iso-calibration-certificate-det_6198579.htm
[^17]: PCE Instruments Middle East, accessed 2026-09-13. https://www.pce-instruments.com/arabic/pce-ae-anbieter_18.htm?_start=9073