Gigahertz-Optik x91/LDM-9901-4 SET Luminance Meter and Light Detector SET
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Description
The Gigahertz-Optik x91/LDM-9901-4 SET combines the precision of the x91 Luminance Meter with the versatility of the LDM-9901-4 Light Detector to offer a comprehensive solution for light measurement applications. The x91 Luminance Meter provides accurate and reliable measurements of luminance levels, making it suitable for various indoor and outdoor lighting scenarios. Its intuitive interface and portable design ensure convenient operation in diverse environments. The LDM-9901-4 Light Detector offers precise measurement of light radiation across a wide spectral range, making it ideal for comprehensive photometric and radiometric analysis. Together, these instruments provide researchers, engineers, and professionals in industries such as lighting design, automotive engineering, and display manufacturing with a powerful toolset for ensuring compliance with industry standards and product quality requirements.
Specifications:
x91 Luminance Meter:
– Measurement Range: 0.001 cd/m² to 1,000,000 cd/m²
– Spectral Range: 380 nm to 780 nm
– Measurement Angle: 1°, 0.2° (optional)
– Measurement Units: cd/m², fL
– Accuracy: ±2% (typical)
– Repeatability: ±0.5%
– Display: 4.3-inch color touchscreen
– Interface: USB, Bluetooth (optional)
– Data Storage: Internal memory for up to 50,000 measurements
– Power Supply: Rechargeable lithium-ion battery
– Battery Life: Approx. 8 hours continuous operation
– Dimensions: 150 x 80 x 30 mm
– Weight: Approx. 300 g
– Operating Temperature: 0°C to 40°C
– Storage Temperature: -20°C to 60°C
LDM-9901-4 Light Detector
– Spectral Range: 200 nm to 1800 nm
– Detector Type: Silicon photodiode
– Active Area: 4 mm²
– Spectral Sensitivity: See spectral responsivity curve
– Linearity: ±0.5%
– Dynamic Range: 8 decades
– Measurement Range: 0.2 nA to 2 mA
– Resolution: 0.01 nA
– Noise Equivalent Current: < 2 fA/√Hz
– Interface: BNC connector
– Power Supply: ±15 VDC, 10 mA
– Dimensions: 90 x 90 x 45 mm
– Weight: Approx. 300 g
– Operating Temperature: -10°C to 50°C
– Storage Temperature: -20°C to 70°C
Laboratory Calibration
Micro Precision operates 36 laboratories globally providing reliable localized support
- Certified metrologists staffing laboratories in North America, Central America, South America, Europe, Asia, and the Middle East
- Comprehensive scopes of accreditation to meet a broad range of customer needs
- Expedited calibration services available
- Pickup and delivery services available
- Environmentally controlled facilities to ensure high quality and accurate calibrations and measurements.
Laboratory Calibration
Micro Precision operates 36 laboratories globally providing reliable localized support
- Certified metrologists staffing laboratories in North America, Central America, South America, Europe, Asia, and the Middle East
- Comprehensive scopes of accreditation to meet a broad range of customer needs
- Expedited calibration services available
- Pickup and delivery services available
- Environmentally controlled facilities to ensure high quality and accurate calibrations and measurements.
Quality Certified Test Equipment Repair Services
When a piece of equipment fails you have the option to repair or replace that item. Oftentimes repair is an economical and efficient solution. Micro Precision’s repair offering provides advantages to our customers:
- Cost effective; often less than OEM
- Efficient; often much better turn-time than the OEM
- Flexibility; willingness to work with customers to meet their needs
- Warranted repairs
- Ability to service many obsolete instruments
Quality Certified Test Equipment Repair Services
When a piece of equipment fails you have the option to repair or replace that item. Oftentimes repair is an economical and efficient solution. Micro Precision’s repair offering provides advantages to our customers:
- Cost effective; often less than OEM
- Efficient; often much better turn-time than the OEM
- Flexibility; willingness to work with customers to meet their needs
- Warranted repairs
- Ability to service many obsolete instruments
Cost Effective Test Equipment Options
From the leasing of specialized electronic equipment for a specific task, to the purchase of physical and dimensional tools, we offer leasing services as well as used test equipment sales. We also locate hard-to-find electronics, and provide flexible options to meet ever-changing equipment needs.
Cost Effective Test Equipment Options
From the leasing of specialized electronic equipment for a specific task, to the purchase of physical and dimensional tools, we offer leasing services as well as used test equipment sales. We also locate hard-to-find electronics, and provide flexible options to meet ever-changing equipment needs.
Our Capabilities
Micro Precision can perform instrument calibration services on equipment from variety of applications for specific industries and lines of business. If you have a calibration need that is not listed in this area, please contact us.
Electrical
Micro Precision accredited electrical calibration lab services with multimeter, multifunction calibrator, oscilloscope, and power supply capabilities.
Optical
Micro Precision accredited optical, light, and fiber optic calibration lab services.
Thermodynamics & Chemical
Micro Precision accredited thermodynamic & chemical calibration lab services with temperature, humidity, life science, and pharma capabilities.
RF - Microwave
Micro Precision accredited RF & microwave calibration lab services.
Mechanical & Dimensional
Micro Precision accredited mechanical and dimensional calibration lab services with pressure, torque, force, flow, velocity, and aircraft jack load capabilities.
Laboratory Standards
Calibration laboratory standards are critical for your organization’s most accurate measurements.
Semiconductor Calibration
Micro Precision utilizes state-of-the-art technology to analyze semiconductor wafer thickness and step height.


