| 型号： | 9000-1471/9000-1941/9000-1926/9000-1718/9000-1472 |
| 产地： | 美国 |
| 品牌： | Systec |
| 评分： |
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Systec 原装脱气机真空泵，适用于Waters沃特世 Agilent安捷伦 岛津 赛默飞等主流品牌色谱脱气系统。
Systec pump is specifically designed and developed for membrane vacuum degassing of HPLC mobile phases and other mixed aqueous-organic fluids. Employing a micro-stepping RPM control strategy, permits the pump to run continuously, cycling between low and high speeds. The high speed provides quick pull-down, while the low speed sustains a consistent vacuum level.
Fluctuations in baseline due to vacuum hysteresis are eliminated by not having to repeatedly stop and start a single speed pump. This also greatly reduces wear and noise. The low wattage DC stepper motor runs quietly and coolly while also being very adaptable in its power supply requirements. The brushless motor is especially appropriate for an environment where solvents vapours may be present.
Flow path materials were chosen for their ruggedness and compatibility with exposure to organic mobile phase vapours. The need for a vent valve has been eliminated by the continuously purged head design and built-in anti-backflow duckbill check valves. The pump will start into a full vacuum, and vacuum will not be released in the event of a power loss. The entire pump assembly is compact in design.
Inert flow path
High vacuum level
Quiet stepper motor/ball bearing drive
Cool running DC motor
Long life expectancy at low rpm
Continuously purged two-stage teflon diaphragm head
Built-in anti-backflow check valves
Compact in size
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