紫外可见分光光度计UV757

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  • 3263.89/

上海朗裴实业有限公司
13918066495 021-68040722
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  • Brand  ACC
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Last Updated 2025-08-08 19:25

紫外可见分光光度计UV757

UV757系列紫外可见分光光度计能在紫外、可见光谱区域内对样品物质作定性和定量的分析。该产品可广泛应用于、生物化学、石油化工、环境保护、质量控制等部门,使理化实验室常用的分析仪器之一。 主机功能: 采用微机测量系统,τ-A转换精确,自动调整0%(τ)和调整100%(τ),具有GOTOλ,自动8联样品架,自动扣除比色皿误差,浓度多点标定,斜率和截距设置等功能,具有RS232接口和并行打印口(打印机专用,另行选配)。 联机功能: 通过RS232串行接口,可利用上层软件作全波长扫描,时间扫描,浓度回归方程(1次、2次、3次),多波长测试,并大大扩展测试功能(除主机功能外)。 技术指标: ◆波长范围:200nm~1000nm ◆光源:钨卤素灯12V20W(进口) DD2.5氘灯(进口) ◆接收元件:光电池 ◆波长最大允许误差:±0.5nm ◆波长重复性:≤0.2nm ◆光谱带宽:2nm ◆杂散光:≤0.3%(τ)(在220nm处和360nm处以NaNO2测定) ◆透射比测量范围:0.0%(τ)~200.0% (τ) ◆吸光度测量范围:-0.301(A)~4.000(A) ◆透射比最大允许误差:±0.5%(τ) ◆透射比重复性:≤0.2%(τ) ◆噪声:100%噪声≤0.5%(τ) 0%噪声≤0.2%(τ) ◆稳定性:≤0.004A/30min 其它: ◆电源:AC220V±22V 50Hz±1Hz
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