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High-Throughput Automated Solar Cell Tester

The Spi-Cell Sorter™ sorts photovoltaic cells according to their electrical performance, tested under simulated sunlight. A pulsed xenon lamp with an optical filter provides a close match to the Air Mass 1.5 Global solar spectrum. The spectrum meets the highest International and ASTM specifications (ASTM E927 Class A). The system features automatic cell handling of coinstacked cells and sorts the tested cells into ten output bins.

A computer with user-friendly software adjusts the lamp intensity, controls the measurement process and cell handling, and acquires cell performance data. The data, as a full I-V curve, allows sorting by a variety of selectable criteria. The computer plots the I-V curve and displays a variety of cell characteristics. Curves and data can be printed and stored on disk.

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Specifications

Maximum Solar Cell Dimensions	210mm x 210mm (8 in. x 8 in.)
Source	1 kW xenon arc lamp Filtered to AM1.5 Global spectrum (ASTM E927) Intensity range: 70 to 110 mW/cm² Lamp lifetime: 1000 hrs (typical)
Illumination Uniformity	±2% over 156mm x 156mm area ±3% over 210mm x 210mm area
Nominal Throughput	1000 cells/hour
Measurement Range	Voltage: 0-5 V Current: 0-20 A
Resolution	Voltage: 16 bit (full scale) Current: 16 bit (full scale)
Equipment Dimensions (excluding computer and water chiller systems)	Width: 345 cm (136 in.) Depth: 191 cm (70 in.) Height: 196 cm (77 in.)
Equipment Net Weight	910 kg (2000 lbs)
Utilities Requirements	Electricity: 200 - 240 VAC, 30 A, 50/60 Hz, single phase Compressed air: 550 kPa (80 psi)
Certifications

Features and Benefits

Measures and displays the following cell parameters: Complete I-V curve Open circuit voltage, Voc Short-circuit current, Isc Short-circuit current density, Jsc Peak power, Pmp Cell efficiency, η - Fill factor, FF Series resistance, Rs Shunt resistance, Rsh Cell temperature, °C Illumination uniformity within ±2% at 1 sun Single pulse light source, filtered to Class A spectrum Low duty cycle reduces heat build up and prolongs life of the optics Monitor cell, traceable to NREL standard Four-point probe for accurate measurements Computer system and software package for operation, measurements, data analysis, printed output, and disk storage

Location In Spi-Line Module Line