Specifications

Detector Specifications

Model No	HPD-A20	HPD-A21
Wavelength range	Single wavelength ( 190 to 800 nm )	Dual wavelength ( 190 to 800 nm )
Wavelength accuracy	± 0.5 nm	± 2 nm
Wavelength repeatability	0.15 nm	0.3 nm
Band width	8 nm	8 nm
Optical path	10 nm	10 nm
Deuterium lamp	190 to 400 nm	190 to 400 nm
Tungsten lamp	400 to 800 nm	400 to 800 nm
Baseline noise ( Static ) Au	≤ ± 0.35 × 10-5	≤ ± 0.5 × 10-5
Baseline drift ( Static ) Au / h	≤ 1 × 10-4	≤ 1.5 × 10-4
Minimum detection limit	≤ 4 × 10-8	≤ 4 × 10-8
Power	100 W	100 W
Power supply	90 V / 50 to 60 Hz	90 V / 50 to 60 Hz
Dimension	460 × 315 × 180 mm	460 × 315 × 180 mm
Weight	9.5 kg	9.5 kg

Pump Specifications

Flow rate range	0.0001 to 10 ml / min
Maximum pressure	50 MPa , 0 to 2 ml / min
Column size	4.6 × 250 mm
Sample size	5 µm
Pressure pulsation	≤ 1 % at 10 MPa
Flow rate accuracy	± 0.15 % at 1 ml / min
Flow rate repeatability %	≤ 0.1
Gradient accuracy %	± 1.5
Gradient repeatability %	≤ 0.2
Dimension	460 × 310 × 180 mm
Power supply	90 V
Weight	11.6 kg

Features

Compression compensation ensuring gradient repeatability
Low pressure gradient
Detector ( Deuterium or tungsten lamp )
Automatic sample injector ( Autosampler )
10 point calibration pump for linear pressure control
Error alarm function for over pressure ,under pressure and leakage

Standard Accessories

Accessory	Quantity
Pump	2
UV-Vis detector ( without flow cell )	1
Analytical flow cell	1
Injection valve	1
20 μl sample loop	1
4.6 × 250 mm ( 5 µm ) analytical column	1
Solvent tray	1
Binary gradient kit	1
Mixing chamber	1

Optional Accessories

Accessory	Quantity
Autosampler	1
Fraction collector	1
Column oven	1

Applications

Used in pharmaceutical analysis, food nutrient analysis of amino acids and sugars, detection of food contaminants, environmental pollutant and chemical product purity analysis

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Analytical HPLC-A7832

Standard HPLC