Standard battery uses:

Standard solar cells are usually used for daily calibration or testing the total irradiance (W/m2) established by light sources (xenon lamps, solar simulators, etc.) on the surface of the solar cell under test. When the irradiance of the solar simulator changes, the ratio of the short-circuit current generated on the solar cell to the irradiance of the solar simulator is close to constant, so the irradiance of the sun can be obtained by measuring the short-circuit current. The calibration value of the solar cell is defined as: under standard test conditions, the ratio of the short-circuit output current of the standard solar cell to irradiance, unit A/(W/m2), known as CV value. When the short-circuit current of the solar cell is equal to its calibration value, the irradiance of the solar simulator can be considered to reach a solar constant, namely 1000W/m2.

By measuring the spectral responsivity R(λ) of solar cells at different wavelengths, it is compared with the solar radiation spectral distribution of standard AM1.5 or solar simulator spectrum

The short-circuit current density can be obtained by multiplying and integrating the radiation distribution S(λ), and the short-circuit current can also be obtained by multiplying the effective light-receiving area of the battery:

Jsc = ∫ R (lambda) * S (lambda) d lambda, Isc (including A R = Jsc (lambda) - spectral responsivity, unit A/W;

S(λ)-- spectral irradiance distribution, unit W/m2/nm;

A-- Effective light area of the battery, unit A.

Other applications:

Calibrate the light intensity of the solar simulator

Calibrate the light stability of the solar simulator

Calibrate the spot uniformity of the solar simulator

The difference between primary calibration and secondary calibration:

First-level calibration: calibration institutions with calibration qualifications (such as China Metrology Institute, etc.) have been calibrated and measured and issued certificates.

Secondary calibration: the calibration sample obtained by transferring data from the first calibration sample

The accuracy of the data is the same. The secondary calibration samples of Yunke are transferred from the calibrated samples of China Institute of Metrology, and the equipment used has been calibrated to ensure the standard of data. We are responsible for the traceability of data.

Product features

1. High quality, rare earth magnet DC motor;

2. The collective use of hard aluminum alloy material, surface oxidation black treatment;

3.HGOC200A chopper compact structure design, improve stability, improve accuracy;

4. Standard 10-slot single-frequency chopper, 50-600Hz frequency, other frequencies please contact customer service;

5. Can be used with phase-locked amplifier. Optical chopper consists of control unit, chopper device, chopper plate and connecting wire.

6. Can accurately maintain the chopper rate and phase relative to the reference signal.

产品实拍

Product features and technical parameters

1, high quality uv quartz lens to improve light collection efficiency;

2, using the back light reflector structure to improve the light collection efficiency;

3, built-in trigger, to avoid the transmission of high voltage between the light source room and the power supply caused by potential safety hazards;

4, color temperature up to 6000K, simulate sunlight, spectral range (300-2500nm), luminous flux 15000Im output optical power 300W-1800 adjustable; Outlet light irradiance 3000W/m; Light intensity is 1500 CD; 40000 / m 'brightness; Bulb life 1000 hours; Parallel spot diameter 50mm; Minimum convergence spot 5mm(need to add focusing lens);

5. High speed circulating air is used for refrigeration.

6, the light source design has a remote trigger device (optional), to avoid high pressure caused security risks;

7, equipped with turning lens (removable), turning lens can be arbitrarily rotated 360 degrees;

8, digital ammeter display current, light intensity can be adjusted;

9, the design of filter installation position, convenient installation of all kinds of filter, filter diameter 50 or 50.8mm;

10, optional lifting platform, uv protection goggles, optical fiber coupler and other accessories.

实拍图片