AEROSPACE<\/strong><\/p>\n

\n
Fuel System<\/span><\/li>\n
Hydraulic System<\/li>\n
Oxygen System<\/li>\n
Pressurized Cabin<\/li>\n
Cooling System<\/li>\n<\/ul>\n<\/div>\n
<\/p>\n
$\"\"$ $\"\"$ $\"\"$ <\/p>\n<\/li>\n<\/ul>\n
\n
\n
\n
MD-490M:\u00a0<\/span>FEATURES<\/i><\/span><\/strong><\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n
\n
\n
Performance<\/strong><\/p>\n
\n
Sensitivity<\/strong>: System Mode, minimum detectable helium leak rate 2.5 x 10^{-9<\/sup>\u00a0atm-cc\/sec.
\nSniffer Mode, minimum detectable helium leak rate 2.5 x 10^{-7<\/sup>\u00a0atm- cc\/sec.<\/li>\n}}
Response Time<\/strong>: < 1.0 second system mode testing, < 1.5 seconds sniffer mode testing.<\/li>\n
Startup Time<\/strong>: One button automatic operation.
\nCold Start-Up, less than 3 minutes.
\nStandby Start-Up, less than 1 minute<\/li>\n<\/ul>\n<\/div>\n
\n
Display Leak Rate Range<\/strong><\/p>\n
\n
System Mode Testing<\/strong>: 0-10 Volts output to main PLC. Leak rate configured to systems calibrated gas leak.<\/li>\n
Interface Signals<\/strong>: Auto-Zero, Ready, Leak Rate and Fault Signals.<\/li>\n
Sniffer Mode Testing<\/strong>: 10^{-3<\/sup>\u00a0to 10^{-7<\/sup>\u00a0atm-cc\/sec He direct-reading.<\/li>\n<\/ul>\nMain Features<\/strong><\/p>\n
\nCold Start-Up, less than 3 minutes<\/li>\n
Standby Start-Up, less than 1 minute<\/li>\n
One button automatic operation<\/li>\n
Hard vacuum leak detection system<\/li>\n
Modular assembly for custom arrangement<\/li>\n
PLC controlled<\/li>\n
Turn-key operation<\/li>\n
Front panel key lock-out<\/li>\n
Turbo speed adjustable from 600 to 1500HZ<\/li>\n
Five year warranty on major components<\/li>\n
Includes an internal fast clean-up sniffer manifold<\/li>\n
Allows rapid switching between sniff and vacuum testing modes<\/li>\n
Auto peak cycle<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n\n\n\nMD-490M:\u00a0<\/span>CHARACTERISTICS<\/i><\/span><\/strong><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\nOptions<\/strong><\/p>\n
\n24Vdc control<\/li>\n
110Vdc control<\/li>\n
Atmospheric sniffer module<\/li>\n
Side mount configuration<\/li>\n
Bottom mount configuration<\/li>\n
Electrical Converter Box<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n\nTechnical Specifications<\/strong><\/th>\n<\/tr>\n<\/thead>\n<\/table>\n<\/div>\n\n\n\n\n\n\n\n\n\n\n\nPower<\/strong><\/th>\n 115\/220 Volts AC, 60\/50 Hz, 4 Amps
\n(other voltages available upon request)<\/th>\n<\/tr>\n<\/thead>\n
Dimensions<\/strong><\/td>\n Dimensions (in mm)
\nW344*H395*D618<\/td>\n<\/tr>\n
Valve<\/strong><\/td>\n High vacuum rated solenoid actuated fore-line isolation<\/td>\n<\/tr>\n
Pressure Measurement<\/strong><\/td>\n Connection gage for rough vacuum (atm-10^{-3<\/sup>\u00a0Torr),Turbo pump speed characteristics for high vacuum (10^{-6<\/sup>\u00a0Torr)<\/td>\n<\/tr>\n}}
Inlet System<\/strong><\/td>\n External PLC controlled valves, externally mounted. Options: DC or AC<\/td>\n<\/tr>\n
High Vacuum Pump<\/strong><\/td>\n 53 c\/second air-cooled turbo-molecular<\/td>\n<\/tr>\n
Mechanical Pump<\/strong><\/td>\n External forepump arrangement, standard package with 7 CFM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n <\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
Leak Detection Solution<\/a>\nMD-490M<\/a>\nVacuum Instruments Corporation<\/a>\n\u6c22\u6cc4\u6f0f\u68c0\u6d4b\u5668<\/a>\n\u6c26\/\u6c22\u6cc4\u6f0f\u68c0\u6d4b\u5668<\/a>\n\u6c26\u68c0\u6f0f\u5668<\/a>\n\u6c26\u6c14\u56de\u6536\u7cfb\u7edf<\/a>\n\u6c26\u6cc4\u6f0f\u68c0\u6d4b\u5668<\/a>\n\u793a\u8e2a\u6c14\u4f53\u6cc4\u6f0f\u63a2\u6d4b\u5668<\/a>\n\u8ffd\u8e2a\u6c14\u4f53\u5145\u6c14\u7cfb\u7edf<\/a><\/div>","protected":false},"excerpt":{"rendered":"Tracer Gas Leak Detectors \u793a\u8e2a\u6c14\u4f53\u6cc4\u6f0f\u63a2\u6d4b\u5668 MD-490M HELIUM LEAK DETECTOR \u6c26\u68c0\u6f0f\u5668 TURNKEY VACUUM MASS <\/p>\n","protected":false},"author":19,"featured_media":157,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[5,12,4,10,8,11,6,9,7,3],"_links":{"self":[{"href":"https:\/\/www.bihec.com\/vacuum-instruments-corporation\/wp-json\/wp\/v2\/posts\/156"}],"collection":[{"href":"https:\/\/www.bihec.com\/vacuum-instruments-corporation\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bihec.com\/vacuum-instruments-corporation\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bihec.com\/vacuum-instruments-corporation\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bihec.com\/vacuum-instruments-corporation\/wp-json\/wp\/v2\/comments?post=156"}],"version-history":[{"count":1,"href":"https:\/\/www.bihec.com\/vacuum-instruments-corporation\/wp-json\/wp\/v2\/posts\/156\/revisions"}],"predecessor-version":[{"id":161,"href":"https:\/\/www.bihec.com\/vacuum-instruments-corporation\/wp-json\/wp\/v2\/posts\/156\/revisions\/161"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bihec.com\/vacuum-instruments-corporation\/wp-json\/wp\/v2\/media\/157"}],"wp:attachment":[{"href":"https:\/\/www.bihec.com\/vacuum-instruments-corporation\/wp-json\/wp\/v2\/media?parent=156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bihec.com\/vacuum-instruments-corporation\/wp-json\/wp\/v2\/categories?post=156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bihec.com\/vacuum-instruments-corporation\/wp-json\/wp\/v2\/tags?post=156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}}}