AutoLight is a portable Light Transmission Meter. The meter measures the level of light transmitted through a tinted window to determine its safety level. It is a lightweight, accurate and easy to operate tool for law enforcement officers. Some local regulations also require testing of tinted glass to ensure conformance during vehicle safety inspections. The AutoLight meter provides inspectors with accurate readings that would otherwise be impossible by simple visual inspection.
Window tinting can diminish driver vision through vehicle windows. This compromises the safety of the driver and their passengers. Safety is jeopardised when approaching vehicles with dark, nonregulatory approved window tinting. The internal space of the vehicle and its passenger’s movements are not clearly visible.
The eNoise is a handheld, standalone portable device for the measurement and analysis of the sound pressure level emitted by a stationary vehicle. With the additional feature of an integrated internal tachometer that simultaneously monitors the acoustic signal of the exhaust to measure the engine speed, without the need of any external wiring or additional equipment.
Specifications:
| Measured parameter | Sound pressure |
| Frequency range | 63Hz to 10kHz |
| Dynamic range | 80dB |
| Max sound pressure level | 120dB |
| Level ranges | 60 – 100dB, 70 – 110dB, 80 – 120dB |
| Frequency weighting | A |
| Measurement time | 1s in SPL Test 1.5s in Engine Speed Test |
| Displayed parameters | SPL RPM |
| Input parameters required | No. cylinder No. stroke |
| Power supply | Rechargeable battery pack (automatic power off below 10%) “Battery Flat” displayed |
| Operating time | 9 hours continuous |
| IP rating | IP53 |
| Microphone | 7.5mm electret, frequency range 20Hz – 20kHz |
| Display | (240 x 160) pixel full graphics display |
| Keypad | 40 keys alphanumeric tactile membrane keypad |
| Weight | 0.4kg |
| Physical dimensions | 230 x 95 x 50mm |
| Temperature range | 0° – 60°C |
| Humidity range | 20% – 90% |
Applicable standards:
| Type | Standard |
| Class 1 | International Electrotechnical Commission Publication IEC 61672-1 Ed. 1.0 (Bilingual 2002): Electroacoustics – Sound level meters – Part 1: Specifi cations |
| Class 1 | Australian Standard AS IEC 61672.1-2004: Electroacoustics – Sound level meters – Specifications |
| Type 1 | International Electrotechnical Commission Publication IEC 60654 (1979) “Precision sound level meters” |
| Type 1 | Australian Standard AS 1259.1-1990 “Acoustics – Sound level meters – Part 1: Non-integrating |
Conveyor Belts
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From humble beginnings in 1983 we have been working with governments in many areas of vehicle safety.
From humble beginnings in 1983 we have been working with governments in many areas of vehicle safety.
Auto Test products are sold in 50 countries across the world. Find your local distributor.
