S P E C I F I C A T I O N S

UV/Vis/NIR SpectroscopyTypical Specifications of the High-Performance LAMBDA 1050+ UV/Vis/NIR Spectrophotometer

Introduction

PerkinElmer UV/Vis/NIR spectrophotometers are built to the highest ISO-9001 manufacturing standards. This document presents typical performance specifications based on final tests of over 300 instruments at the end of the manufacturing process. Furthermore, spectral data collected from instrument validation tests are also reported.

The LAMBDA™ series of spectrophotometers is the industry standard for high performance, flexibility and convenience. Each model includes the same range of modular components and snap-in accessories to tackle a range of tough applications. Whatever specifications are required, the LAMBDA series provides best-in-class accuracy, precision and reproducibility.

Choose the LAMBDA 1050+ with its triple detector capability for ultra-high UV/Vis/NIR performance for wavelengths up to 3300 nm with extreme sensitivity in the NIR region (800-2500 nm) and higher energy throughput. For applications such as highly reflective and anti-reflective coatings, all types of glass from clear to highly absorbing safety glass, optical filters of all types from the deep UV through the NIR and many more applications requiring the best photo-dynamic range and the widest possible sampling capability.

LAMBDA 1050+

175

UV/Vis/NIR Range (nm)

3300

2

Specifications LAMBDA 1050+

3 Detector 2 Detector

Stray Light

At 200 nm (12 g/L KCl) > 2 A > 2 A

At 220 nm (10 g/L NaI) 0.00004 % T 0.00005 % T

At 340 nm (50 mg/L NaNO2) 0.00002 % T 0.00002 % T

At 370 nm (50 mg/L NaNO2) 0.00002 % T 0.00003 % T

At 1420 nm (H2O 1 cm path length) 0.0003 % T 0.00032 % T

At 2365 nm (CHCl3 1 cm path length) 0.0003 % T 0.0005 % T

Wavelength Accuracy

UV/Vis (656.1 nm) ± 0.025 nm

NIR (1312.7 nm) ± 0.200 nm

Wavelength Reproducibility

Standard deviation of 10 measurements UV/Vis

≤ 0.002 nm ≤ 0.002 nm

Standard deviation of 10 measurements NIR

≤ 0.008 nm ≤ 0.008 nm

Photometric Accuracy

NIST Filters 1 A ± 0.0008 A

NIST Filters 0.5 A ± 0.001 A

K2Cr2O7 Solution USP/DAP method ± 0.0020 A

0.5 A Glass 1700 nm ± 0.001 A

1 A Glass 1700 nm ± 0.002 A

Photometric Linearity

Addition of filters UV/Vis at 546.1 nm, 2 nm slit, 1 second integration time

At 1.0 A ± 0.0030 A ± 0.0030 A

Photometric Stability

After warm-up at 500 nm, 0 A, 2 nm slit, 2 second integration time, peak to peak

≤ 0.00006 A/h

Photometric Noise RMS

UV/Vis PMT

0 A and 190 nm(1) ≤ 0.00004 A ≤ 0.00004 A

0 A and 500 nm(1) ≤ 0.00002 A ≤ 0.00002 A

4 A and 500 nm(1) ≤ 0.0005 A ≤ 0.00100 A

NIR Pbs

0 A and 1500 nm(2) ≤ 0.000015 A ≤ 0.000015 A

3 A and 1500 nm(2) ≤ 0.00210 A ≤ 0.00210 A

NIR InGaAs

0 A and 1500 nm(2) ≤ 0.00001 A

3 A and 1500 nm (Wide Band)(2) ≤ 0.00015 A

(1) 2 nm Fixed Slit

(2) Servo Slit

3

Typical Measurements

Figure 1. Stray Light – KCl Solution at 200 nm Figure 2. Stray Light – NaI Solution at 220 nm

Figure 3. Stray Light – NaNO2 at 340 nm Figure 4. Stray Light – NaNO2 at 370 nm

Figure 5. Stray Light – Stray Light – H2O at 1420 nm Figure 6. Stray Light – CHCl3 at 2365 nm

Figure 7. Wavelength Accuracy – UV/Vis (656.1 nm) Figure 8. Wavelength Accuracy – NIR (1312.7 nm)

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Figure 9. Wavelength Reproducibility – UV/Vis (SD of 10 Measurements) Figure 10. Wavelength Reproducibility – NIR (SD of 10 Measurements)

Figure 11. Photometric Noise – 0 A at 190 nm

Figure 12. Photometric Noise – 0 A at 500 nm

Table 1. Photometric Accuracy – K2Cr2O7 Solution

Sample ID K2Cr2O7 Solution in Acid

Accuracy Limit (A) 0.01

Reference Value at 235 nm 0.743

Measured Value at 235 nm (A) 0.7516

Difference at 235 nm (A) 0.00863

Test Result at 235 nm PASS

Reference Value at 257 nm 0.865

Measured Value at 257 nm (A) 0.8732

Difference at 257 nm (A) 0.00822

Test Result at 257 nm PASS

Measured Value at 313 nm (A) 0.2963

Difference at 313 nm (A) 0.00633

Test Result at 313 nm PASS

Reference Value at 350 nm 0.643

Measured Value at 350 nm (A) 0.6496

Difference at 350 nm (A) 0.0066

Test Result at 350 nm PASS

Figure 13. Photometric Noise – 0 A at 1500 nm (PbS) Figure 14. Photometric Noise – 0 A at 1500 nm (InGaAs)

Figure 15. Resolution – Toluene in Hexane Figure 16. Resolution – Benzene (0.04 nm)

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