Overview
The Enviro Testers Sound Calibrator is designed for precise calibration of sound level meters and measurement microphones.
It complies with IEC 60942 Class 1 standards ensuring high accuracy and reliability.
Equipped with built-in temperature, humidity, and pressure sensors, it provides automatic corrections.
Lightweight at just 0.53 lb, it is portable and ideal for professional testing applications.
Features
- Meets IEC 60942 Class 1 standard for precision calibration
- Built-in temperature & humidity sensors for environmental monitoring
- Automatic atmospheric pressure correction for accuracy
- Generates 94dB SPL at 1000Hz, 500Hz, 250Hz, 125Hz
- Supports RS-232 data output for real-time or stored results
- Records up to 1280 calibration results for easy reference
- Compact and portable with 155 × 50 × 40 mm design
- Comes with adaptor & power accessories for universal use
Technical Specifications
| Frequency | 1000Hz, 500Hz, 250Hz, 125Hz |
| Normal Sound Pressure Level | 94dB |
| Standard Deviation (SPL) | ±0.3 dB |
| Standard Deviation (Frequency) | < ±1% |
| Distortion (THD) | ≤1% |
| Power Supply | 3.6V Lithium Rechargeable Battery |
| Display | 122×32 LCD |
| Display Interface | SPL, Frequency, Temp, Humidity, Pressure, Clock |
| Data Output | RS-232 (Real-time or recorded results) |
| Fulfils Standard | IEC 60942 Class 1 |
| Application | Calibration of microphones & sound level meters |
| Working Temperature | -10℃ ~ +50℃ / 14℉ ~ 122℉ |
| Humidity | 10% – 90% RH |
| Atmospheric Pressure | 65 kPa ~ 108 kPa |
| Barometric Correction | Automatic |
| Dimension | 155 mm × 50 mm × 40 mm |
| Weight | 240 g (0.53 lb) |
| Accessories | 1/2″ Adaptor (AWA8531), 5V Power Adaptor |
| Other Functions | Stores 1280 calibration records |







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