Doble Haz

Double Beam UV-Visible Spectrophotometer

This instrument is compact and easy-to-use. The large sample compartment accepts various accessories and cell from 10mm to 100mm path length. The built-in RS-232 serial interface enables the instrument to be connected to a computer.

SP-1920 Double Beam UV-Visible Spectrophotometer

SP-1900 series UV-Vis spectrophotometer includes 3 models totally. See table 1900 Series Specifications.

MODEL	SP-1900	SP-1901	SP-1920
Type	Double Beam Asymmetrical Vertical Test Optical Path Technology（patent）
Monochromator	Czerny-Turner, Focus300
Grating	45*45mm, 1800 lines/mm
dectector	High performance digital dual-detector photoelectric cell
bandwidth(nm)	0.5, 1, 2, 4	1	0.5, 1, 2, 4
wavelength range(nm)	190-1100
wavelength display(nm)	0.1
wavelength set(nm)	0.1
wavelength accuracy(nm)	±0.30
wavelength repeatability(nm)	≤0.1
Scan speed(nm)	wavelength movespeed 6000nm/min,wavelength scan speed 10-3000nm/min
light source switch(nm)	300-360
stray light（220、360nm）	≤0.01%T
optical structure	double beam
Photometric mode	A (Abs), T (%T), Energy (E)
Photometric range	0-200.0%T(T), -0.3-4A(A), 0.000-9999C
Photometric accuracy	±0.3% T NIST930e standard filter
Photometric repeatability	0.1% T 0.001Abs(0-0.5Abs) 0.002Abs(0.5-1Abs)
Steability	±0.0004A/Hour（at 500nm one hour preheat）
Baseline flatness	±0.0005A
Noise	±0.0004A（spectrum bandwidth 2nm,low speed wavelength scan）
Display	PC connection、display in PC screen		6.4inch big touch operation screen
Operation	PC connection、control by PC		Touch screen
			spectrum scan
			time scan
			standard curve
			photometric analysis
Application software	win-sp5.2 for 1900
Signal output	USB，RS-232C
Sample compartment (mm)	225114 (lengthwidth)
Standard cell holder (mm)	2*10 (1 position）
Standard glass cell(mm)	10（4pcs）
Standard quartz cell (mm)	10（2pcs）
Power requirement	110/220VAC, 50/60Hz

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