Model

ME-721

ME-722

Sample room

Hold 5 to 50 mm

 all kinds of cuvette

Hold 10 to 50 mm 

all kinds of cuvette

Spectral bandwidth 

6nm

5nm

Wavelength Range 

350nm~1000nm

325-1020nm 

Wavelength Accuracy

±3nm

±2nm

Stray light

≤0.4%(T)

≤0.3%(T)

Wavelength Repeatability 

1nm

Photometric accuracy 

±0.5%(T)

Photometric Repeatability

0.2%T 

Transmittance Repeatability 

≤0.2%(T)

Stability

Dark current drift:≤0.2%(T)/3min ;  

Light current drift:≤1%(T)/3min

Minimum resolution 

1nm

Detector&light source

Imports of silicon photodiode & tungsten lamp

Output

----

RS232

Power

AC 85~230,  50Hz/60Hz

Size&Weight

380*300*180mm & 4kg