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721 VIS Spectrophotometer
This 721 visible spectrophotometer is listed for laboratory measurement over a 330-1020 nm wavelength range. It supports T and A measurement modes and is available for 110V or 220V power requirements.
Key Details
330-1020 nm wavelength range.
4 nm spectral bandwidth.
T and A measurement modes.
3 1/2 LCD display.
Large sample chamber with 50 mm optical distance / cuvette frame listed.
721-100 model note mentions a 100 mm cell rack for water analysis and sample content analysis.
Verified Parameters
Voltage
110V / 220V; confirm required voltage when ordering
Wavelength range
330-1020 nm
Wavelength accuracy
±2 nm
Wavelength reproducibility
1 nm
Spectral bandwidth
4 nm
Photometric accuracy
≤±0.6%T
Photometric reproducibility
0.3%T
Stray light
<0.3%T
Display model
3 1/2 LCD
Operation mode
Manual
Optical distance
50 mm
Cuvette frame
50 mm
Stability
0.004A/H at 500 nm after 1 hour warm-up
Selection Notes
Confirm the required voltage and cuvette/sample requirements before ordering. This listing does not add certification or calibration claims beyond the verified source specifications.
