Model

BK-UV1000

BK-V1000

BK-UV1200

BK-V1200

Optical System

Single Beam, Grating 1200 lines/mm

Wavelength Range

200-1020nm

325-1000nm

200-1020nm

320-1020nm

Spectral Bandwidth

4nm

Wavelength Accuracy

± 1.8nm (2nm)

±1.5nm (2nm)

Wavelength Repeatability

≤ 0.2nm (11D: 1nm; V12, UV12: 0.8nm; UV-11: 1nm)

Photometric Accuracy

± 0.002A (0-0.5Abs), ± 0.004A (0.5-1.0Abs), ± 0.4% T (0-100% T) (0.004A, 0.5)

Photometric Repeatability

0.001Abs (0-0.5Abs), 0.002Abs (0.5-1.0Abs), ≤ 0.2% T (0-100% T)

Stray Light

≤ 0.1 % T @ 360nm; 220nm(0.2)

≤ 0.05% T @ 360nm (0.2)

Stability

± 0.001A / h @ 500nm (11D: 0.004, V12, UV12, UV11: 0.002)

Noise

± 0.001A

Display

128*64 Dots LCD

Photometric Mode

T, A, C, E

Photometric Range

0-200%T,-0.301-3.0A

Detector

Silicon Photodiode

Light Source

Deuterium Lamp, Tungsten Lamp

Input

Membrane Keypad

Output

Parallel Print,USB1.0

Compartment

Solid Sample Holder, Micro Cell Holder, 10-100mm Cell Holder