产品简介：HD-2004型紫外检测仪：波长:220、254、280、340nm。LED数显。样品池 :80微升，光程:3毫米 。量程:0-T、0.2A。 一．HD-2004型紫外检测仪概述 核酸蛋白检测仪、紫外检测仪是液湘色谱仪中的一种紫外检测装置，该仪器配有层析柱、恒流泵、部分收集器等，即组成一套完整的液色湘色谱分离分析系统。它可应用于现代生物学研究，药物测定、农业科研、化工、食品及单位对具有紫外吸收的样品作定量分析。本仪器主要元器件均采用进口，仪器全部采用LED数字显示，使用方便。 1.HD-2004型紫外检测仪除配有输出10 ｍV 记录仪信号外，还配有输出适合计算机积分仪的输口，这样很方便构成色谱工作站系统。（可同时进行计算机和记录仪信号输出，亦可省去记录仪） 2.HD-2004型紫外检测仪的数字显示设计为固定光吸收，A 显示计算机用和可变量程光吸收Ａ显示记录仪用两种可选模式，这样可方便于规范化读数，同时亦可根据科研需要进行可变量程的高灵敏度读数，这样可方便于对低浓度样品检测。 3.HD-2004型紫外检测仪采用新型进口IP28 光电倍增管和改进型电路结构，使仪器工作更为稳定可靠。 二．HD-2004型紫外检测仪主要技术性能 （１）核酸蛋白检测仪提供波长：254nm 、280nm 。 （２）紫外检测仪提供波长：220nm 、254nm 、280nm 、340nm 。 （３）量程范围：0 ～99 ％Ｔ、0 ～2 Ａ、0 ～1 Ａ、0 ～0.5 Ａ、0 ～0.2 Ａ、0 ～0.1 Ａ、0 ～0.05 Ａ。 （４）流式样品池：容积99 微升、光程３毫米。微量样品池：容积30 微升、光程10 毫米。 （５）记录仪输出：10 ｍV （６）积分仪输出：0.1 Ａ/ ｍV （７）数显模式：固定Ａ量程读数（0 ～2.0 Ａ）；可变Ａ量程读数（0 ～2.0 Ａ、0 ～1.0 Ａ、0 ～0.5 Ａ、0 ～0.2 Ａ、0 ～0.1 Ａ、0 ～0.05 Ａ）。 （８）量程在0.05 Ａ档时： （９）工作环境温度：0℃～35℃。 （10）仪器可连续工作。 （11）电源：220ＶＡＣ±10％５０ＨＺ。 三．HD-2004型紫外检测仪工作原理：光源经220nm、254nm、280nm、 340nm等干涉滤色片提供单色光作为检测核酸、蛋白、 酶、多肽的光源。 Product Profile: HD-2004 UV detector: wavelength: 220,254,280,340 nm. LED digital display. Sample pool: 80 increased slightly, optical path: 3 mm. Range :0- T, 0.2A. 1. HD-2004 UV detector overview Protein nucleic acid detector, UV detector is a liquid chromatograph Xiang of a UV detection device, the apparatus is equipped with chromatography columns, constant-current pump, part of the collection, etc., that is composed of a complete set of liquid color Xiang chromatography analysis system. It can be applied to modern biological research, drug determination, agricultural research, chemicals, food and medical units with UV absorption of the samples for quantitative analysis. The main components of this equipment are imported, the use of equipment LED digital display and easy to use. 1.HD-2004 UV detector with the exception of 10 mV recorder output signal, the output comes with integral instrument for the computer I lose, it constitutes a very convenient system chromatography workstation. (Available at the same time recorder computer and the signal output can be saved Recorder) 2.HD-2004 UV detector design of the figures show that a fixed optical absorption, A show the computer and variable absorption Cheng A shows two optional logger mode, it can be easily in the standardized reading, while at the same time According to research the need for a variable range of high sensitivity readings, would facilitate the detection of low concentration samples. 3.HD-2004 UV detector using the new import IP28 photomultiplier tubes and improved circuit structure, so that a more stable and reliable instrument. 二. HD-2004 UV Detector Main technical performance (1) the provision of nucleic acid protein detector wavelength: 254nm, 280nm. (2) to provide wavelength UV detector: 220nm, 254nm, 280nm, 340nm. (3) the scope of range: 0 ~ T, 0 ~ 2 A, 0 ~ 1 A, 0 ~ 0.5 A, 0 ~ 0.2 A, 0 ~ 0.1 A, 0 ~ 0.05 A. (4) streaming samples of pool: the volume increased slightly to 99, the optical path 3 mm. Micro-sample pool: volume 30, a slight increase, 10 mm optical path. (5) Recorder output: 10 mV (6) points Output: 0.1 A / mV (7) the number of significant modes: fixed readings A range (0 ~ 2.0 A); variable A reading range (0 ~ 2.0 A, 0 ~ 1.0 A, 0 ~ 0.5 A, 0 ~ 0.2 A, 0 ~ 0.1 A, 0 ~ 0.05 A). (8) range 0.05 A in the file: (9) Working ambient temperature: 0 ℃ ~ 35 ℃. (10) equipment can be worked continuously. (11) Power Supply: 220VAC ± 10% 50HZ. 三. HD-2004 UV detector working principle: the light source by the 220nm, 254nm, 280nm, 340nm interference filter to provide monochromatic light such as the detection of nucleic acids, proteins, enzymes, peptides light.