Focal 

Length

150mm

200mm

320mm

500mm

750mm

Aperture 

Ratio

f/4.3

f/4.0

f/4.2

f/6.5

f/9.8

Optical 

Design

Computer optimized   imaging Czerny-Turner Type

Optical 

Path

90 degree

90 or 180 degree

Scanning 

Range

Mechanical range   0-1600nm with 1200gr/m

Operating 

Range

190nm to NIR with   available grating and detector

Resolution

0.2nm

0.18nm

0.09 nm

0.045 nm

0.02 nm

Dispersion

4.6nm

3.5nm

2.4nm

1.6nm

1.0nm

Accuracy

+/-0.25nm

+/-0.2nm

+/-0.1nm

Repeatability

+/-0.04nm

Drive Step

0.005nm with   stepper motor

0.0025nm with   stepper motor

Focal Plane 

Size

27mm(length)*14mm(width)

Detector 

Range

125nm

95nm

64nm

41nm

27nm

Standard 

Joint

Width:0~5mm,10um via micrometer   control

Height:4~15mm selectable

Raster 

Mount

Dual Grating   turret

Tripe grating   turret

Raster Size

32*32mm

50*50mm

68*68mm

Optical 

Path

One entrance   &one exit slit

One entrance   &one exit slit/one entrance and two exit slit/two entrance and two exit

Detector

Uv,Visible:PSD-01 PMT,photodiode   detector:200-10000nm

CCD detector :200-2200nm

Software

Monoscan,Monoworks,operating software and Maple,scan image software

Dimension(mm)

220*190*180

250*260*199

375*320*250

550*350*250

802*280*230