主要功能特点：
用于测量汽车排放废气中的HC、CO、NOx气体浓度，采用国外先进技术，进口关键零部件组装而成。具有高亮度数码显示，自动校零，自动数据线性化处理，气路阻塞时自动报警，故障时自动诊断所在单元，打印测试之日期、时间功能，配内置打印机（或模拟输出接口或RS－232A数字串行通信接口），可进行自由怠速和双怠速测量，具有操作方便，测量数据准确，工作稳定可靠等特点。
主要技术参数：
| 测试气体范围 |
HC：0～10000ppmvol |
| CO: 0～10%vol |
| NOx:0～4000ppmvol |
| 准确性 |
HC±5%(相对误差)±12ppmvol(绝对误差) |
| CO±5%(相对误差)±0.06%vol(绝对误差) |
| NOx±4%(相对误差)±25ppmvol(绝对误差) |
| 重复性 |
重复误差≤±2% |
| 稳定性 |
自动校零，量矩漂移≤±3% |
| 预热时间 |
约20分钟 |
| 响应时间 |
95%响应不大于10秒 |
| 分辨力 |
HC：1ppmvol |
| CO: 0.01%Vvol |
| NOx:1ppmvol |
| 输出方式 |
数字直读显示，可附打印机打印气体名称，浓度最大值，测试时间、日期等。可附接口与计算机联网 |
| 环境条件 |
温度0～40℃，相对湿度≤90% |
| 电源 |
AC100-240v 50Hz 或DC12V（选加电源逆变器）消耗功率50VA |
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外形尺寸
重量
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420mm(长)×310mm(宽)×170mm(高)
约9KG
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Main Features:
Used to measure vehicle emissions of HC, CO, NOx gas concentration, using advanced foreign technology, import the key components assembled. With a high-brightness digital display, automatic zero, linear automatic data processing, auto-alarm when the gas line blocking, fault diagnosis where the unit automatically and print testing date, time functions, with built-in printer (or the analog output interface or RS -232A digital serial communication interface), can be freely idling and dual idling measure, with easy operation, accurate measurement data, work stable and reliable characteristics.
Main technical parameters:
Test gas Scope：HC：0～10000ppmvol
CO:0～10%vol
NOx:0～4000ppmvol
Accuracy： HC± 12ppmvol (absolute error) ± 5% (relative error)
CO± 0.06% vol (absolute error) ± 5% (relative error)
NOx±25ppmvol ( absolute error) ±4%(relative error)
Stability：Automatic zero, volume moments drift ≤ ± 3%
Repeatability：Repeat error ≤ ± 2%
Resolution： HC：1ppmvol
CO：0.01%vol
NOx:1ppmvol
Response Time：95% of the response to no more than 10 seconds
Warm-up Time：About 20 minutes
Output Mode：Digital direct-reading show that gases can be attached printer name, the
concentration maximum, average and minimum test time, date, etc.. Can be attached to interface with the computer network
Environmental conditions：Temperature 0 ~ 40 ℃, relative humidity ≤ 90%
Power：AC100-240v 50Hz or DC12V (select plus power inverter) Power
consumption 50VA
Dimensions：420mm (length) × 310mm (width) × 170mm (H)
Weight：About 9kg
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