Stalwart

STV-200 Series

Single Beam Spectrophotometer

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● 7-inch touch screen and windows graphic interface.

● The instrument has basic functions of photometric analysis and quantitative analysis. With optional

PC software, it expands the applications, such as spectral scanning, kinetics, DNA/protein analysis,

multi-wavelength test, etc.

● Support fast scanning, automatic wavelength setting, and automatic lamp switching.

● In-house powerful storage capacity, which can store 2000 data and 97 working curves.

● Optional accessories: Bluetooth printer, built-in printer, PC software etc.

Model	STV-200V	STV-200U
Optical System	Single Beam
Monochromator	C-T monochromator, Blazed Holographic Grating 1200lines/nm
Wavelength Range	320-1100 nm	190-1100 nm
Spectral Bandwidth	4 nm
Wavelength Accuracy	±1nm
Wavelength Repeatability	±0.5nm
Photometric Accuracy	±0.5%T, ±0.004A(0-0.5A), ±0.008A(0.5-1A)
Photometric Repeatability	±0.5%T, ±0.004A(0-0.5A), ±0.008A(0.5-1A)
Photometric Stability	±0.15%T, ±0.002A(0-0.5A), ±0.004A(0.5-1A)
Photometric Range	0-200%T, -0.3~3A
Stray light	0.1%T
Stability	0.002A (500nm, 3min)
Noise	0.15%T
Work Mode	T, A, C, E
Wavelength Setting	Auto
Scanning Speed	Hi, Med, Low (Max. 3000nm/min)
Display	7-inch Touch Screen
Light Source	Tungsten lamp	Deuterium & Tungsten Lamp
Detector	Silicon Photodiode
Cuvette Holder	10mm manual 4-cell holder
Output	USB(A) for data transfer, USB(B) for PC software
Power	AC 110-220V 50-60Hz
Shipping Size	700680340mm
Gross Weight	20kg
Standard Accessaries	10mm glass cuvette x 4, 10mm quartz cuvette x 2 (UV), Power cord, Manual