Product name

spectrophotometer

Model

721

722

723

Wavelength drive

manual

manual

manual

Wavelength range

340-1000nm

330-1000nm

320-1100nm

Wavelength accuracy

±2nm

±2nm

±1nm

Spectral bandwidth

4nm

4nm

4nm

Transmission max error

≤1%T

≤0.5%T

≤0.5%T

Stability

±0.004A/h

±0.003A/h

±0.002A/h

feature

With 50mm colorimetric shelf

RS-232

Print automatic wave length