型号	品牌	PIPES指数
EXPEC 2900	谱育科技	8.3
AQ4EK1	赛默飞	8.1
AZURA Compact	诺尔	7.9

仪器描述

HORIBA MEXA-730λ 空燃比分析仪

?MEXA-730λ采用此性能，并增加了原始设计，以增强可见性和操作性。? ?新的传感器系数数据存储器功能使恢复备份数据成为可能，从而提供更快的启动时间并节省宝贵的运行时间。

概要

用来实现汽车发动机的理想燃烧状态以及净化汽车尾气所必需的空燃比检测设备。该设备凝聚了HORIBA最新的空燃比检测技术。HORIBA　空燃比检测技术在汽车排气分析中具有世界领先地位，在全球拥有大量的用户。大约80ms的高速响应性，较宽的测量量程，小巧化的设计（容积和重量都只有原来的1／3），是汽车发动机研究、实时检测等领域的一种非常方便的便携式空燃比分析仪，可以同时进行发动机的空燃比、λ、氧气浓度测量，一台设备可以满足多种用途。

規格

Control unit

Model name	MEXA-730λ
Display range	A/F : 3.99 to 500.0 λ : 0.275 to 30.00 O2 : 0.00 to 99.99 vol%
Accuracy of A/F	(Guarantee range is from 9.5 to 200 A/F) (Model gas at room temperature, atmospheric pressure is used): With 3-point calibration at 9.5 A/F, stoichiometric point and 60.0 A/F 9.50 A/F to stoichiometric point: within ±0.3 A/F at stoichiometric point: within ±0.1 A/F stoichiometric point to 20.00 A/F: within ±0.3 A/F 20.01 to 30.00 A/F: within ±0.7 A/F 30.01 to 40.00 A/F: within ±1.0 A/F 40.01 to 50.00 A/F: within ±1.5 A/F 50.01 to 60.00 A/F: within ±2.0 A/F 60.01 to 80.00 A/F: within ±6.0 A/F 80.01 to 100.0 A/F: within ±9.0 A/F 100.1 to 150.0 A/F: within ±20.0 A/F 150.1 to 200.0 A/F: within ±38.0 A/F
Response time	Typical 80 ms (Max.150 ms)
Digital input-output	RS-232C (standard)
Analog output	0 to 5 V DC (scaling possible)
H/C setting range	0.00 to 9.99 (key selectable)
O/C setting range	0.000 to 6.811 (key selectable)
Calibration gas	Ambient air or standard gas
Acceptable vibration	0 to 294 m/s2
Power	10-30 V DC, 50 W
Dimensions	130 (W) × 170 (D) × 75 (H) mm
Mass	Approx. 1.1 kg (Control unit)

UEGO Sensor (Data sheet supplied with each UEGO sensor)

Sample gas temperature	-7℃ to 900℃
Heater temperature control	PID
Hexagonal nut size	22 mm
Torque	40±4N?m

Standard accessories

UEGO sensor (1), Sensor cable 10 m (1), DC power cable (1), Analog output cable (1)

Options

AC unit PSU-700, Two-channel rack kit (incl. AC power adapter), Sensor cable (5 m, 20 m), Calibration unit, Nut for attaching sensor, Closing-up bolt, RS-232C cable