| 详细介绍： NHA502A便携式废气分析仪NHA-502A
NHA502A便携式废气分析仪NHA-502A
主要功能特点
- 用于测量机动车汽油发动机排放废气中的HC、CO、CO2、O2浓度。其中对HC、CO、CO2采用先进的NDIR不分光红外分析技术进行检测，对O2及NO采用最新的电化学分析技术进行检测；
- 大屏幕液晶显示，设置及操作更方便；
- 可根据检测气体浓度自动计算过量空气系数λ 或空燃比A/F 并显示读数；
- 可检测使用天然气(CNG)、液化石油气(LPG)、乙醇汽油作燃料的汽车发动机排放；
- 可储存700组测量数据，包含HC、CO、CO2、O2、n、T和λ 等信息；
- 提供U盘储存数据功能，储存到U盘的格式为Microsoft Excel文件格式；
- 配备感应式发动机转速测量钳；
- 具备RS-232C数字串行通信接口；
- 具备车牌号码输入功能、时间显示功能；
- 符合国家标准GB 18285-2005 精度要求；
- 符合国际标准ISO 3930 或OIML R99 0级精度要求。
- 可选配微型热敏打印机；
- 可选配发动机油温测量探头；
- 可选配不同型号的转速测量适配器；
可选配汽车电源逆变器。
主要技术参数
 测量范围：
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HC
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：0 ~9,999 ×10-6 (正己烷当量)
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CO
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：0 ~10 ×10-2 (%)
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CO2
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：0 ~18 ×10-2(%)
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O2
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：0 ~25 ×10-2 (%)
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示值误差：
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HC
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：±10 ×10-6(绝对)
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± 5 ×10-2(%)(相对)(取误差值较大者)
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CO
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：±0.03 ×10-2(%)(绝对)
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± 5 ×10-2(%)(相对)(取误差值较大者)
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CO2
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：±0.5 ×10-2(%)(绝对)
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± 5 ×10-2(%)(相对)(取误差值较大者)
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O2
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：±0.1 ×10-2(%)(绝对)
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± 5 ×10-2(%)(相对)(取误差值较大者)
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响应时间：
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不大于10s,O2不大于12s
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预热时间：
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8分钟（环境温度不低于20℃时），
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3分钟后可进行紧急测量；
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电 源：AC220V±10% 50Hz±1Hz 或
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DC12V(可选配汽车电源逆变器)
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重 量：9kg
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外形尺寸：
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310mm(宽) × 230mm(高) × 485mm(深)
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Main features
For the measurement of vehicle gasoline engineemissions of HC, CO, CO2, O2 concentration. The HC,CO, CO2 using advanced NDIR non dispersive infraredanalysis detection technology, the O2 and NO using electrochemical new analysis detection technology;
Large screen LCD display, setting and operation more convenient;
According to the automatic calculation of excess aircoefficient or air-fuel ratio A/F and display reading gas concentration detection;
Detection of the use of natural gas, liquefied petroleum gas (CNG) (LPG), ethanol gasoline as fuel for automobile engine emissions;
Can store 700 sets of measurement data, including HC,CO, CO2, O2, N, T and λ information
U disk data storage function, stored in the U disk format for Microsoft Excel file format;
Equipped with induction type engine speed measuring pliers;
With the RS-232C digital serial communication interface;
With the license plate number input function, time display function;
In line with the national standard GB 18285-2005accuracy requirements;
In line with the international standard ISO 3930 or OIMLR99 0 grade accuracy.
Optional Mini thermal printer;
Optional engine oil temperature measuring probe;
Can speed measurement adapter selection of different models;
Optional car power inverter.
Main technical parameters
Measuring range:
HC
: 0 ~9999 × 10-6 (hexane equivalent)
CO
: 0 ~10 × 10-2 (%)
CO2
: 0 ~18 × 10-2 (%)
O2
: 0 ~25 × 10-2 (%)
Error of indication:
HC
: ± 10 × 10-6 (absolute)
± 5 × 10-2 (%) (relative) (the error is larger)
CO
: ± 0.03 × 10-2 (%) (absolute)
± 5 × 10-2 (%) (relative) (the error is larger)
CO2
: ± 0.5 × 10-2 (%) (absolute)
± 5 × 10-2 (%) (relative) (the error is larger)
O2
: ± 0.1 × 10-2 (%) (absolute)
± 5 × 10-2 (%) (relative) (the error is larger)
Response time:
Not more than 10s, O2 is less than 12s
Preheating time:
8 minutes (the environment temperature is not lower than20 ℃),
After 3 minutes of emergency measure;
Power supply: AC220V ± 10% 50Hz ± 1Hz or
DC12V (optional car power inverter)
Weight: 9kg
Size and shape:
310mm (wide) x 230mm (high) * 485mm (deep)
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