Main features: The highly sensitive detector adopts a heat dissipation channel that conforms to fluid mechanics and a patented thermal isolation and insulation technology, which has good resistance to environmental temperature changes
With excellent electromagnetic shielding performance.
Adopting highly integrated microprocessors and multi bus technology, low temperature drift, low noise, high sensitivity preamplifier, and 24 bit precision AD conversion.
The reciprocating series constant flow pump with stable flow rate has high pressure resistance and is easy to maintain and operate. Combined with an efficient buffer to smooth pulsation, the liquid flow is stable and accurate, and high-precision equal degree infusion can be performed; It can also form a binary high-pressure gradient elution system to achieve uniform mixing of different mobile phases through a mixer.
Key components such as plunger rods have cleaning functions to extend the service life of sealing rings. By setting process control, abnormal situations such as blockage and leakage can be monitored.
A 7-inch color touch screen and built-in workstation software (with added audit tracking function) enable bi-directional operation.
Strict processing technology and selected components are processed using CNC machine tools to ensure machining accuracy and consistency, while imported core components and accessories are preferred.
Selected long-life imported DL and specialized DL power supplies. The detection pool unit is modular, making it easy to disassemble and clean. The sampler can be optionally equipped with a manual or automatic sampler.
The detector has a time-varying wavelength function.
The column temperature box adopts PID self-tuning algorithm to achieve precise temperature control.
Technical indicators: Chromatographic column constant temperature box:
Temperature control accuracy: ± 1 ºC
Temperature control range: 10 ºC~80 ºC above room temperature (increment of 1 ºC)
Temperature stability: ≤ 0.2 ºC
Flow setting range: 0.001~9.999mL/min
Flow stability: ≤ 0.3%
The maximum output pressure of the high-pressure infusion pump is 45MPa
UV detector:
Wavelength range: 190nm~700nm
Wavelength accuracy: ± 1nm
Wavelength repeatability: ≤ 0.2nm
Baseline noise: ≤ 5 × 10-6 AU (wavelength 254nm, empty cell) ≤ 9 × 10-6 AU (wavelength 254nm, mobile phase methanol)
Baseline drift: ≤ 5 × 10-5 AU/h (wavelength 254nm, empty cell) ≤ 1 × 10-4 AU/h (wavelength 254nm, mobile phase methanol)
Minimum detection concentration: ≤ 5 × 10-9 g/mL (sample: naphthalene; carrier: methanol; wavelength: 254nm)
Qualitative measurement repeatability: ≤ 0.3% (manual injection)
Quantitative measurement repeatability: ≤ 0.9% (manual injection)
Chromatographic column incubator: 8 kg
High pressure infusion pump: 13 kg
UV visible detector: 14 kg
Power supply voltage: 220V ± 22V, 50Hz ± 0.5Hz
Power: 400W
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