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Martindale LM192 Lux Meter
The Martindale LM192 Lux Meter can measure light up to 200 000 lux. It has a maximum resolution of 0.1 lux (within the 200 lux range). The Martindale LM192 Lux Meter is, therefore, suitable for ensuring that lighting installations in offices and commercial buildings maintain compliance with the required lighting levels for a healthy working environment.
The rugged design of this light meter, along with its detachable light sensor, makes it suitable for use in rugged environments and allows the user to access difficult-to-reach locations.
Its intuitive layout ensures that the Martindale LM192 Lux Meter is easy to use. This light meter is also supplied with an instruction manual containing a light wavelength conversion chart, making the Martindale LM192 Lux Meter suitable for use with all types of lighting installations.
This instrument is also capable of recording minimum and maximum values over prolonged periods of time. To do this the Martindale LM192 Lux Meter disengages its Auto Power Off function.
With the Auto Power Off function engaged (switches the light meter off after thirty minutes of idleness), the Martindale LM192 Lux Meter has an operating time of approximately eighty hours.
The Martindale LM192 Lux Meter is an easy-to-use, versatile and effective light meter suitable for maintaining compliance with lighting regulations.
Martindale LM192 Lux Meter Key Features
- Measure light up to 200 000 lux
- A maximum resolution of 0.1 lux within the 200 lux range
- Check lighting installations in offices and commercial buildings
- Maintain compliance with the required lighting levels for a healthy working environment
- Rugged design
- Detachable light sensor
- Suitable for use in rugged environments and difficult-to-reach locations
- Intuitive layout
- Supplied with an instruction manual containing a light wavelength conversion chart
- Suitable for use with all types of lighting installations
- Min/ Max recording over prolonged periods of time
- Min/ Max recording disengages the Auto Power Off function
- Auto Power Off function switches the light meter off after 30 minutes of inactivity
- Operating time of up to 80 hours
- An easy-to-use, versatile and effective light meter
- Suitable for maintaining compliance with lighting regulations
What’s Included?
- Martindale LM192 Lux Meter
- Storage Case
- 2x 1.5V AA Batteries
- Instruction Manual
Martindale LM192 Lux Meter Technical Specifications
| All specified accuracies are at 25°C ±1°C, <80% R.H. for 1 year | |
| Temperature coefficient | 0.1 x (specified accuracy) per °C (0-24°C, 26-50°C) |
| Accuracy | ±3% (calibrated to standard incandescent lamp 2856°K) Note 1 |
| Angle deviation from cosine characteristics error | 10° ± 1% |
| 30° ± 2% | |
| 60° ± 5% | |
| 80° ± 20% | |
| Range | 0.0 to 199.9/1999/19990/199900 lx |
| 0.0 to 19.9/199.9/1999/19990 fc | |
| Resolution | 0.1lx, 0.1fc |
| Spectral response | CIE photopic Note 2 |
| Light detector | SI photodiode |
| Note 1 | The CIE standard illuminant A can be realized by means of CIE standard source A, which is defined as: A gas-filled tungsten-filament lamp operating at a correlated colour temperature of 2856K. |
| Note 2 | The CIE photopic curve is an international standard for the colour response of the average human eye. |
| General | |
| Display | liquid crystal display |
| Sampling rate | twice per second |
| Over range | OL is displayed |
| Power | 2 x 1.5V AA alkaline batteries (IEC LR6, NEDA 15A) |
| Continuous operating time | approximately 80 hours |
| Auto power off | after 30 minutes (can be disabled) |
| Dimensions | 169 (L) x 63 (W) x 37mm (H) |
| Weight | 185g including batteries |
| Includes | storage case, 2 x 1.5V AA batteries and instruction manual |
| Environmental | |
| Temperature & Humidity | (Operating): 0°C to 40°C d 80% R.H. |
| (Storage): -10°C to 50°C d 70% R.H. with batteries removed | |
| Altitude | up to 2000m |
| Pollution degree | 2 |
| EMC | Conforms to BS EN 61326-1 |
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Additional Information
| SKU | MARLM192 |
|---|---|
| Manufacturer Part Code | MARLM192 |
