How to Choose Sound Insulation Testing Equipment? Key Tech of Standard Impact Sound Source Revealed
2026-05-16BSWA TM004C Standard Impact Sound Source (5th Gen) fully complies with GB/ISO/ASTM standards for floor impact sound insulation testing, featuring precise hammers, wireless remote, and portable design for lab and field use.
1. Core Advantages
Fully Compliant with Global Standards
Meets GB/T 19889, GB/T 50121, ISO 140, ISO 717, ASTM E492, ASTM E1007. Data can be directly used for official reports and project acceptance.
Precise & Consistent Impact
- 5 hardened stainless‑steel hammers: 500g±6g each
- Drop height: 40 mm
- Vertical deviation: ±0.5°
- Average interval: 100±5 ms
- Sequence: 1, 3, 5, 2, 4 cyclic impact
Stable & Easy Operation
- 24 VDC / 2 A power adapter
- 315 MHz wireless remote control (100 m range, penetrates one floor slab)
- Lightweight, portable, foldable design
2. Functional Design
Impact System (Ensures Measurement Accuracy)
- 5 linear hardened stainless‑steel hammers
- Weight: 500 g ±6 g
- Head diameter: 30 mm ±0.2 mm
- Impact surface curvature: 500 mm ±100 mm
- Center distance: 100 mm ±3 mm
- Cyclic impact sequence: 1, 3, 5, 2, 4
- Free fall from 40 mm; retracts within 80 ms after impact
- Simulates standardized impact excitation for floor sound insulation testing
Control System
- 315 MHz wireless remote control with 9V lithium battery
- Control distance: up to 100 m
- Supports software remote control
- Minimizes interference from operator movement
Support & Leveling
- 4 foldable legs with rubber vibration dampers
- Built‑in bubble level for fast leveling
Power & Portability
- Power supply: 24 VDC / 2 A
- Sheet metal enclosure
- Folded dimensions: 623 mm × 316 mm × 180 mm
- Net weight: 10.6 kg
3. Technical Specifications
| Parameter | Specification |
|---|---|
| Power Supply | 24 VDC / 2 A |
| Operating Environment | −10 °C ~ 50 °C; 0% RH ~ 90% RH |
| Dimensions (folded) | W623 × H316 × D180 mm |
| Package Dimensions | W780 × H490 × D445 mm |
| Net Weight | 10.6 kg |
| Total Weight (with case) | 25.7 kg |
4. Typical Applications
General Sound Insulation Testing
Preliminary inspection of floor impact sound insulation for residential and commercial buildings.
Professional Sound Insulation Testing
- Laboratory precision measurement
- Construction project acceptance
- R&D of sound insulation materials
- Performance comparison and post‑construction evaluation
5. User Benefits
High Compliance: Valid data for official reports and acceptance.
Wide Adaptability: Works indoors and outdoors; −10 °C ~ 50 °C.
Easy Deployment: 10.6 kg lightweight, foldable legs, carry case.
Strong Stability: Precise hammer parameters + 24V high‑torque motor ensure repeatable results.
Convenient Operation: 100 m remote control avoids on-site interference.
6. FAQ
Q1: What standards does TM004C comply with?
A1: GB/T 19889, GB/T 50121, ISO 140, ISO 717, ASTM E492, ASTM E1007.
Q2: How many hammers does it use?
A2: 5 hardened stainless‑steel hammers, 500g±6g each.
Q3: What is the remote control range?
A3: Up to 100 m, can penetrate one floor slab.
Q4: Is it suitable for field testing?
A4: Yes; lightweight, foldable, wide temperature range.
Q5: Can data be used directly for reports?
A5: Yes; fully standard‑compliant for certification and acceptance.
References
1 BSWA Technology Co., Ltd. TM004C Standard Impact Sound Source Product Datasheet.
2 ISO 140 / ISO 717 Building acoustics impact sound measurement standards.
3 GB/T 19889 & GB/T 50121 National floor impact sound insulation testing codes.
