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Table of Contents
Contents
ATP MT-912 - Mini Colour LCD Light Meter Manual
Important Safety Notice
Read the following safety information carefully before attempting to operate or service the meter. Use the meter only as specified in this manual; otherwise, the protection provided by the meter may be impaired.
| Environmental Operating Conditions | |
| Humidity: | ≤ 90% RH (Non-condensation) |
| Operating temperature: | -20 to 60°C / -4 to140°F |
| Maintenance | |
| Repairs or servicing not covered in this manual should only be performed by qualified personnel. | |
| Wipe the unit with a dry soft cloth. Do not use abrasives or solvents on this instrument. | |
Application
This Light Meter is designed to meet the measurement requirements of safety Engineers, Health & Safety practices and Sound Quality Control in environments such as factories, schools, construction, etc.
Features
- High accuracy, fast response
- Color LCD display with backlight
- Temperature measurement
- Min / Max Memory
- Data Hold
- Automatically revise parameters for nonstandard illumination
- Selectable measurement units LUX/FC
- Enable / Disable auto power off
- Low battery indication
Specification
| Display | 4 digits color LCD display |
| Measuring range | 0 Lux to 200K Lux, 0Fc to 20K Fc |
| Resolution | <1000: 0.1; >1000:1 |
| Spectral response | CIE photopic(CIE human eye response curve) |
| Over range indication | LCD displays "-OL-" or "-LO-" |
| Spectral accuracy | CIE Vλfunction(f1'≦6%, f2'≦ 2%) |
| Accuracy | ±3% rdg±8 d (<10,000Lux),±4% rdg±10d (>10,000Lux) |
| Sampling rate | 500ms |
| Photo detector | Silicon photo-diode with spectral response filter |
| Battery life | at least 60 hours |
| Enable/Disable Auto power off | The meter shuts off automatically after 15 minutes of inactivity. Auto power off can be disabled |
| Operating conditions | Temperature:-20 to 60°C, -4 to 140°F Humidity: 10% to 90% RH |
| Storage conditions | Temperature:-20 to 60°C, -4 to 140°F Humidity: 10% to 75% RH |
| Power supply | 3 x 1.5V "AAA" batteries |
| Dimension(L*W*H) | 174.5 x 56 x 30.5mm |
| Weight | 84g |
Meter Description
- Photo detector
- LCD display
- Hold button
- Power ON/OFF button
- MAX/MIN button
- Fc/Lux button
- Battery compartment
- Nameplate
LCD Display Description
- Hold icon
- Auto power off Icon
- Temperature readings
- Light readings
- Illuminance units Icon
- Temperature unit Icon
- Low battery indication
- MAX/MIN icon
Accessories
- User Manual
- 3 x 1.5V AAA Battery
Operation Instructions
| Power on/off: | Press" " to power the meter on/off. |
Data Hold:  | Whilst in measurement mode, press " ", the LCD display will clearly display "HOLD" which indicates the data is frozen, to release the held reading. Press the "" button again the release the reading. |
MAX/MIN: | Whilst in measurement mode, press " ",to cycle through the maximum or minimum recorded light levels. The LCD display will clearly display "MAX", or "MIN" to indicate the displayed value. Press and hold "" to exit MIN/MAX mode and return to normal measurement mode. |
Lux / Fc:  | With the meter turned on, press " " to toggle between measurement units, Lux and Foot-candles. |
°C / °F Mode:  | Whilst the meter is turned off, press and hold "" and press "". The unit will power on with the temperature unit (°C/°F) toggled. |
Auto Power Off  | Whilst the meter is turned off, press and hold "" and press "". The unit will turn on with the auto power off feature toggled off. Note: If the icon  is displayed, the auto power off feature is enabled. |
Additional Notes
- Recommended recalibration cycle: 1 year.
- Remove the battery when the meter is to be stored for long periods of time to avoid battery leakage.
- When the battery is low, the low battery indicator will appear.
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A new battery is needed. - Do not store or operate the meter in high temperature or humidity.
- Wind blowing across the microphone increases the noise measurement. Use the supplied windscreen to cover the microphone when appliance.
- Keep the microphone dry and avoid severe vibration.
A new battery is needed.WWW.ATP-INSTRUMENTATION.CO.UK
Sales: 01530 566800 Technical: 01530 566804
Documents / ResourcesDownload manual
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
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