采用不分光红外吸收 (NDIR) 原理测量机动车排放废气中的CO、CO₂、HC成分；用电化学电池原理测量废气中的NO和O₂成分，并根据测得的CO、CO₂、HC和O₂成分计算出过量空气系数λ。可对汽油、天然气 (LNG/CNG)、液化气 (LPG)、乙醇汽油和各种含燃油动力的新能源车辆进行多模式的双怠速检测。

产品特点

可检测天然气 (CNG)、液化气 (LPG)、乙醇等多种燃料车辆；
液晶大屏显示，全中文操作菜单，可输入车牌、存储查阅200组数据；
标配感应式转速测量钳、RS-232数字通讯接口；
标准预热10分钟，速预热仅5分钟，满足应急检测需求；
符合ISO3930和OIMLR99 I级精度。

主要应用

用于检测汽车排气中的HC、CO、CO₂、O₂、NO浓度和λ。

技术参数

	NHA-406	NHA-506
测量范围
HC	0~9,999×10^-6 (正乙烷当量)
CO	0~10×10^-2 (%)
CO₂	0~18×10^-2 (%)
O₂	0~25×10^-2 (%)
NO	NA	0~5,000×10^-6
示值误差
HC	0~2,000×10^-6: 绝对: ±12×10^-6(%) 相对: ±5×10^-2 (%) *取误差值较大者 2,001~9,999×10^-6: 相对: ±10×10^-2(%)
CO	绝对: ±0.06×10^-2(%) 相对; ±5×10^-2(%) *取误差值较大者
CO₂	绝对: ±0.5×10^-2(%) 相对: ±5×10^-2(%) *取误差值较大者
O₂	绝对: ±0.1×10^-2(%) 相对: ±5×10^-2(%) *取误差值较大者
NO	NA	绝对: ±25×10^-6 相对: ±4×10^-2 (%)
响应时间	不大于10秒，O₂不大于12秒	不大于10秒，O₂不大于12秒，NO不大于15秒
预热时间	10分钟(环境温度不低于20ºC时)
电源	AC220V±10% 50Hz±1Hz或DC12V (可选配汽车电源逆变器)
重量	6kg
外形尺寸	260×180×450 mm (W×H×D)

资料下载

NHA-406.pdf

NHA-506.pdf

2021-09-08

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