Photo-Meter LX - Luxmètre QUANTUM - Free user manual and instructions
Find the device manual for free Photo-Meter LX QUANTUM in PDF.
Pick your language and provide your email: we'll send you a specifically translated version.
| Product Type | Luxmeter (Light Meter) |
| Brand | Quantum |
| Model | Photo-Meter LX |
| Measurement Range | 0.1 – 200,000 lux |
| Resolution | 0.1 lux (≤2000 lux), 1 lux (>2000 lux) |
| Accuracy | ±3% of reading ±10 digits |
| Sampling Rate | 2.5 times per second |
| Display | LCD with backlight, 4-digit |
| Functions | Auto/manual range, data hold, max/min, zero adjust, low battery indication |
| Sensor Type | Silicon photodiode with spectral filter |
| Power Supply | 1 x 9V battery (6F22 or equivalent) |
| Dimensions | 150 x 70 x 30 mm (5.9 x 2.8 x 1.2 in) |
| Weight | Approximately 200 g (7.1 oz) including battery |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -10°C to 60°C (14°F to 140°F) |
| Humidity | <80% RH non-condensing |
| Maintenance | Clean casing with a dry cloth; keep sensor lens clean |
| Safety | Do not expose to moisture or extreme temperatures; remove battery if not used for long periods |
| Spare Parts / Repairability | Battery accessible; no user-serviceable parts inside. Contact Quantum service for repairs. |
| Included Accessories | 9V battery, protective case, user manual |
| Certifications | CE, RoHS |
Frequently Asked Questions - Photo-Meter LX QUANTUM
How do I turn on the Photo-Meter LX?
Press and hold the power button for about 2 seconds until the display turns on. To turn off, press and hold again.
What battery does the luxmeter use?
It uses a standard 9V battery (6F22 or compatible). Replace when the low battery icon appears.
How do I change the measurement range?
Press the RANGE button to toggle between auto and manual range. In manual mode, use the same button to step through ranges.
Can I measure light from LEDs?
Yes, the sensor is spectrally corrected for visible light, including LEDs. However, for precise measurement, ensure the light source is within the meter's spectral response.
What does the HOLD function do?
Press the HOLD button to freeze the current reading on the display. Press again to release.
How accurate is the Photo-Meter LX?
Accuracy is ±3% of reading ±10 digits under standard conditions. For best results, calibrate annually.
How do I clean the sensor?
Gently wipe the sensor lens with a soft, dry cloth. Do not use solvents or abrasive materials.
Can I use this luxmeter outdoors?
Yes, but avoid direct rain or extreme temperatures. The operating range is 0-40°C.
Why does the display show 'OL'?
OL means overload – the light level exceeds the selected range. Switch to a higher range or use auto range.
Is the device repairable?
There are no user-serviceable parts. Contact Quantum customer service for repairs or calibration.
User questions about Photo-Meter LX QUANTUM
0 question about this device. Answer the ones you know or ask your own.
Ask a new question about this device
No questions yet. Be the first to ask one.
Download the instructions for your Luxmètre in PDF format for free! Find your manual Photo-Meter LX - QUANTUM and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. Photo-Meter LX by QUANTUM.