NHJ-400系列检漏仪是一款全自动移动式氦质谱检漏仪，轮设计，适用于众多条件苛刻行业
运用了氦质谱和逆扩散原理,采用了180°非均匀磁场和全自动控制技术.实现了自动氦峰扫描、自动校准和自动量程切换
具有启动时间短，运算速度快、检测灵敏度高、抗力强等特点
NHJ-400 series leak detector is a fully automatic helium mass spectrum leak detector, mute wheel design, suitable for many harsh vacuum industry.
Using helium mass spectrometry and inverse diffusion principle,using 180° inhomogeneous magnetic field and automatic control technology. Automatic helium peak scanning, automatic calibration and automatic range switching are realized.
It has the characteristics of short start time, fast operation speed, high detection sensitivity and strong anti-interference ability.
NHJ400氦质谱检漏仪—吸枪模式PPM定标
性能特点Performance characteristics
的气路设计，可避免粉尘进入仪器内部
多模式功能输入、输出，轻松连接各种自动化设备
双铱带离子源，抗氧化能力强且使用寿命长
机械与电路有效分开，避免了温度、电磁场等彼此干扰，使检漏仪运行更加稳定、可靠
Unique gas path design, can avoid dust into the instrument interior
Multi-mode function input, output, easy to connect a variety of automation equipment
Double iridium ion source, strong antioxidant capacity and long service life
The machine is effectively separated from the circuit, avoiding the interference of temperature, electromagnetic field and so on, which makes the leak detector run more stable and reliable
技术参数 Technical parameter
真空最小可检漏率 | Vacuum minimum leak detection rate | 3×10-13 Pa·m³/s |
真空漏率显示范围 | Vacuum leakage rate display range | 1×10-1 ~1×10-13 Pa·m³/s |
吸枪最小可检漏率 | Minimum leak detection rate for suction gun | 5×10-9 Pa·m³/s |
吸枪漏率显示范围 | Range of leakage rate of suction gun | 1×10-1 ~1×10-9 Pa·m³/s(zero） |
可探测气体 | Detectable masses | H2，He3，He4 |
启动时间 | Start time | ≤100 S |
响应时间 | Response time | ≤0.3 S |
检漏口压力 | Leak Pressure | ≤2000 Pa |
主机电源/电压 | Mainframe Power / Voltage | 100-120V、60Hz/200-240V、50Hz |
工作环境 | Work environment | 温度：5-40℃ 湿度：≤ 75% |
语 言 | Language | 中文/English |
尺 寸 | Size | 620*370*1027 mm |
重 量 | Weight | 110 Kg |
显示单位 | Display units | Pa·m³/s 、mbar·l/s、atm·cc/s、Torr•L/s、ppm |
大漏检测功能：可通过预设压力，抽空时，达不到预设值，检漏仪自动报警提示。
多种计量单位选择，检测数据实时更新，直接输出生成Excel表格。
多种大漏保护模式，充分保护离子源不被氧化和暴漏大气时分子泵不被冲击。
手持遥控单元，可达150米的距离遥控检测
一键启动、自动调零、自动校准。
