SL-2 Digital Sound Level Meter
Preço normal
$14.80
Preço de venda
$14.80
Preço normal
$0.00
- 30–130 dBA wide range, A/C weighting switchable
- FAST 125 ms / SLOW 1 s time weighting
- ±1.5 dB accuracy, Class 2 engineering grade
- Tri-color backlight by noise level
- Simultaneous temperature & humidity
- HOLD + MAX/MIN, CE/RoHS compliant
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Estimated Delivery:Nov 14 - Nov 18
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Tracked shipping · rate by parcel weight
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9-15 business days (tracked)
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Dispatched within 1–3 business days after payment is confirmed
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15-day returns on unopened instruments · Refund Policy
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EU orders up to €150: VAT included — nothing to pay on delivery
Overview
Technical Specification
Shipping & Return
Product reviews
Class 2 sound meter
The SL-2 measures 30 – 130 dBA (35 – 130 dBC) with switchable A / C frequency weighting, so it handles both environmental noise and low-frequency machinery sound. A three-color backlight flags safe, caution and danger levels — practical for workplace noise surveys and compliance spot checks.
- 30–130 dBA
- A / C weighting
- ±1.5 dB
- Tri-colour backlight
Why it stands out
Large HD display
A big backlit LCD keeps the reading readable in dim workshops and outdoors.
Condenser microphone
A sensitive electret capsule captures fast changes in sound level.
A/C weighting, FAST/SLOW
Long-press to switch A/C weighting; toggle 125 ms FAST or 1 s SLOW response.
Know what the number means
A reference chart maps common noise levels from quiet office to traffic.
What's in the Box
| # | Accessory | Qty |
|---|---|---|
| 1 | SL-2 meter (with capacitor mic) | 1 |
| 2 | 1.5V AAA battery | 3 |
| 3 | User manual | 1 |
| 4 | Color box + blister pack | 1 |
Packing Details
Reference data for export and e-commerce logistics, identical to the factory packing list. Supports FBA full-container and cross-border parcel shipping.
Single-unit pack (1 pc per color/grey box)
| Packaging | Color box + blister |
|---|---|
| Product dimensions | 16.84×5.84×2.75 cm |
| Product weight (with battery) | 138 g (with battery) |
| Battery type | 3 × AAA |
| Battery weight | 33 g |
| Unit pack dimensions | 10.1×22.0×3.7 cm |
| Unit pack weight (excl. battery) | 215 g (excl. battery) |
| Unit pack weight (incl. battery) | 248 g (incl. battery) |
Master carton (FBA / full-container reference)
| Inner box qty | 30 pcs/inner |
|---|---|
| Outer carton qty | 60 pcs/outer |
| Outer carton dimensions | 42×34×49.5 cm |
| Outer carton weight (excl. battery) | 14.6 kg (excl. battery) |
| Outer carton weight (incl. battery) | 16.6 kg (incl. battery) |
Applications
Typical industries & scenarios: Factory floors, school classrooms, offices, roads, community noise, residential areas, noise engineering, product QC.
- Factory
- Classroom
- Office
- Road traffic
- Community noise
- Product QC
FAQ
What is the difference between A and C weighting?
A-weighting approximates the human ear's sensitivity at moderate loudness — used for environmental and occupational noise. C-weighting is flatter at low frequencies — used for peaks and mechanical noise.
When to use FAST vs SLOW?
Use FAST (125 ms) for impulsive events, keypress noise, equipment start/stop impacts. Use SLOW (1 s) for steady average noise and long-term exposure evaluation.
Can it measure an AC outdoor unit?
Yes. Aim the mic at the outlet 1 m away, read the steady value in A-weighting + SLOW. For peaks, re-test with C-weighting + FAST.
Does it need calibration?
Annual calibration with a 94 dB @ 1 kHz reference source is recommended; for large deviations contact your supplier or a metrology lab.
Compare with other models
✓ = included, — = not included. Click a model name to open its product page. Your current model is highlighted.
Environmental Meters
| Model | Temp | Humidity | Light (lux) | Wind | Sound | Moisture | Dew point / WB | Pinless | A + C weighting | Best for |
|---|---|---|---|---|---|---|---|---|---|---|
| TH-1 | ✓ | ✓ | — | — | — | — | — | — | — | Daily home readings |
| TH-2 | ✓ | ✓ | — | — | — | — | ✓ | — | — | HVAC & storage |
| LX-1 | ✓ | ✓ | ✓ | — | — | — | — | — | — | Lighting checks |
| AM-1 | ✓ | — | — | ✓ | — | — | — | — | — | Outdoor wind & sports |
| AM-2 | ✓ | ✓ | — | ✓ | — | — | — | — | — | HVAC balancing |
| SL-1 | — | — | — | — | ✓ | — | — | — | — | Office & classroom noise |
| SL-2 | — | — | — | — | ✓ | — | — | — | ✓ | Workplace & machinery noise |
| MM-1 | — | — | — | — | — | ✓ | — | — | — | Lumber & firewood (pin) |
| MM-2 | — | — | — | — | — | ✓ | — | ✓ | — | Finished surfaces (pinless) |
Technical Specification
| Range (A-weighting) | 30–130 dBA |
|---|---|
| Range (C-weighting) | 35–130 dBC |
| Frequency range | 30 Hz–8 kHz |
| Accuracy | ±1.5 dB (94 dB @ 1 kHz); ±5 dB (94 dB @ 8 kHz) |
| Frequency weighting | A-weighting / C-weighting (switchable) |
| Time weighting | FAST 125 ms / SLOW 1 s (switchable) |
| Backlight | Green <60 dB / Yellow 60–90 dB / Red >90 dB |
| Functions | HOLD, MAX/MIN, 10-min auto power-off |
General
| Temperature range / accuracy | -20.0–60.0°C (-4–140°F); ±1.0°C at 0–45°C, ±1.5°C otherwise |
|---|---|
| Humidity range / accuracy | 0.0–99.9% RH; ±3.0% RH at 20–80%, ±4.0% RH otherwise |
| Dimensions | 58.6 × 27.6 × 156 mm |
| Weight | 102 g |
| Power | 3 × 1.5V AAA batteries |
| Certification | CE / RoHS |
Shipping cost
Charged by the actual weight of your parcel — not a flat worldwide rate. Add items to the cart and the exact amount is calculated at checkout.
Dispatch & delivery
- Orders are processed within 1–3 business days after payment is confirmed.
- Shipped with a tracked, battery-certified registered service.
- Transit time depends on destination — the estimated delivery window under the buy button is calculated for your address.
- Need it faster, or shipping a high-value order? Commercial express (DHL / FedEx / UPS) can be arranged on request.
Returns
Unopened instruments may be returned within 15 days of delivery. Used devices are accepted only for verified quality issues. Full terms are in our Refund Policy.
Contact
Email [email protected] with your order number — for a shipping quote before ordering, a return request, or any question about delivery.
Buy With Confidence
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