NHJ-400系列檢漏儀是一款全自動(dòng)移動(dòng)式氦質(zhì)譜檢漏儀，輪設(shè)計(jì)，適用于眾多條件苛刻行業(yè)
運(yùn)用了氦質(zhì)譜和逆擴(kuò)散原理,采用了180°非均勻磁場和全自動(dòng)控制技術(shù).實(shí)現(xiàn)了自動(dòng)氦峰掃描、自動(dòng)校準(zhǔn)和自動(dòng)量程切換
具有啟動(dòng)時(shí)間短，運(yùn)算速度快、檢測靈敏度高、抗干擾能力強(qiáng)等特點(diǎn)
NHJ-400 series leak detector is a fully automatic mobile 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氦質(zhì)譜檢漏儀—吸槍模式PPM定標(biāo)
性能特點(diǎn)Performance characteristics
的氣路設(shè)計(jì)，可避免粉塵進(jìn)入儀器內(nèi)部
多模式功能輸入、輸出，輕松連接各種自動(dòng)化設(shè)備
雙銥帶離子源，抗氧化能力強(qiáng)且使用壽命長
機(jī)械與電路有效分開，避免了溫度、電磁場等彼此干擾，使檢漏儀運(yùn)行更加穩(wěn)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
技術(shù)參數(shù) Technical parameter
真空最小可檢漏率 | Vacuum minimum leak detection rate | 3×10-13 Pa·m3/s |
真空漏率顯示范圍 | Vacuum leakage rate display range | 1×10-1 ~1×10-13 Pa·m3/s |
吸槍最小可檢漏率 | Minimum leak detection rate for suction gun | 5×10-9 Pa·m3/s |
吸槍漏率顯示范圍 | Range of leakage rate of suction gun | 1×10-1 ~1×10-9 Pa·m3/s(zero） |
可探測氣體 | Detectable masses | H2，He3，He4 |
啟動(dòng)時(shí)間 | Start time | ≤100 S |
響應(yīng)時(shí)間 | Response time | ≤0.3 S |
檢漏口壓力 | Leak Pressure | ≤2000 Pa |
主機(jī)電源/電壓 | Mainframe Power / Voltage | 100-120V、60Hz/200-240V、50Hz |
工作環(huán)境 | Work environment | 溫度：5-40℃ 濕度：≤ 75% |
語 言 | Language | 中文/English |
尺 寸 | Size | 620*370*1027 mm |
重 量 | Weight | 110 Kg |
顯示單位 | Display units | Pa·m3/s 、mbar·l/s、atm·cc/s、Torr?L/s、ppm |
大漏檢測功能：可通過預(yù)設(shè)壓力，抽空時(shí)，達(dá)不到預(yù)設(shè)值，檢漏儀自動(dòng)報(bào)警提示。
多種計(jì)量單位選擇，檢測數(shù)據(jù)實(shí)時(shí)更新，直接輸出生成Excel表格。
多種大漏保護(hù)模式，充分保護(hù)離子源不被氧化和暴漏大氣時(shí)分子泵不被沖擊。
手持遙控單元，可達(dá)150米的距離遙控檢測
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