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721G(CE),721G-100,722G(CE),752G

Visible Spectrophotometer

1.Sample compartment for 5-50mm cells

2.Precise automatic T/A changeover

3.Automatic zero and full scale adjustment

4.Direct concentration read-out and concentration factor setting function

5.Equipped with RS232 port

6.Software optional

COMMON FEATURES

High quality silicon photometric diode detector and 1200 lines/mm diffraction grating ensure the high quality accuracy and precision.

Backlit LCD display for an easy readout.

Automatic 0A and 100%T. Easy switching of transmittance, absorbance and concentration modes, just by pressing one key.

Direct concentration read-out and concentration factor setting function.

Large sample compartment, which can accommodate 5mm to 100mm path length cuvettes with optional holders.

Easy to change the halogen lamp or deuterium lamp by the user himself.

Models	721G	721G-100	722G	752G
Photometry	Split Beam
Monochromator Type	Czerny-Turner
Focal Length	160mm
Detector	Silicon Photocell
Spectrum Bandwidth	2nm
WL Setting	Manual Turn Knob
WL range	340-1100nm	340-1000nm	325-1100nm	200-1000 nm
WL accuracy	±2nm	±2nm	±2nm	±2nm
WL repeatability	≤ 1nm	≤ 1nm	≤ 1nm	≤ 1nm
Stray Light	≤0.1%T( at 360nm NaNo2 )	≤0.5%T( at 360nm NaNo2 )	≤0.5%T( at 360nm NaNo2 )	≤0.3%T( at 220nm NaI, 360nm NaNo2 )
Photometric Range	0.0-100.0% T 0.000-1.999 A 0.000-1999 C	0.0-100.0% T 0.000-1.999 A 0.000-1999 C	0.0-100.0% T 0.000-1.999 A 0.000-1999 C	0.0-100.0% T 0.000-1.999 A 0.000-1999 C
Photometric Accuracy	±0.5% T ±0.004 Abs (0-0.5A) ±0.008 Abs (0.5-1A)	±0.5% T ±0.004 Abs (0-0.5A) ±0.008 Abs (0.5-1A)	±0.5% T ±0.004 Abs (0-0.5A) ±0.008 Abs (0.5-1A)	±0.5% T ±0.004 Abs (0-0.5A) ±0.008 Abs (0.5-1A)
Photometric Repeatability	≤0.2% T 0.002 Abs (0-0.5A) 0.004 Abs (0.5-1A)	≤0.2% T 0.002 Abs (0-0.5A) 0.004 Abs (0.5-1A)	≤0.2% T 0.002 Abs (0-0.5A) 0.004 Abs (0.5-1A)	≤0.2% T 0.002 Abs (0-0.5A) 0.004 Abs (0.5-1A)
Noise	100%（T）noise≤0.3%(T) ， 0%（T）noise≤0.2%(T)	100%（T）noise≤0.3%(T) ， 0%（T）noise≤0.2%(T)	100%（T）noise≤0.3%(T) ， 0%（T）noise≤0.2%(T)	100%（T）noise≤0.3%(T) ， 0%（T）noise≤0.2%(T)
Power	AC220V±22V 50Hz±1Hz, 80W	AC220V±22V 50Hz±1Hz, 130W	AC220V±22V 50Hz±1Hz, 130W	AC220V±22V 50Hz±1Hz, 130W
Packaging Size	580mm X 460mm X 345mm 0.1M3 12.5kg	560mm X 490mm X 285mm 0.08M3 14kg	560mm X 490mm X 285mm 0.08M3 14kg	560mm X 490mm X 285mm 0.08M3 16kg
Packaging Size	580mm X 460mm X 345mm 0.1M3 12.5kg	560mm X 490mm X 285mm 0.08M3 14kg	560mm X 490mm X 285mm 0.08M3 14kg	560mm X 490mm X 285mm 0.08M3 16kg

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