二手 THERMO SCIENTIFIC LTQ Orbitrap Velos #9361827 待售

Spectrometer Mass range: 50-2,000 m/z, 200-4,000 m/z MS/MS: Electrospray Ionization (ESI) MS Scan power: MS n, for n: 1 through 10 Analog inputs: 0-1 V, 0-10 V Computer Cables Sensitivity: -2 µL of 50 fg/µL solution of Ion trap (100 Femtograms) Injected at row of 500 µL / min signal to noise ratio of 100:1 Isolated protonated molecular ion at 609 m/z (2) Product ions: 397 m/z and 448 m/z Scanning the product ion spectrum from 165-615 m/z Dynamic range: >5,000 within single scan guaranteeing specified mass accuracy ETD Option: 3 µL/min infusion of 1 pmol/µL solution of angiotensin Electron transfer dissociation fragmentation efficiency of >15% Resolution: Minimum resolution: 60,000 at 400 m/z at scan rate of 1 Hz Maximum resolution: 7,500 >100,000 at 400 m/z Mass accuracy: External calibration: < 3 ppm Internal calibration: < 1 ppm ThermoFlex 900 Recirculating chiller: Temperature range: 5°-40°C Voltage: Multiple Temperature stability: ± 0.1°C Condenser type: Air cooled Communications: Analog and digital Cooling capacity: Up to 900 W, 60 Hz Up to 750 W, 50 Hz Pump capacity: Up to 3.3 GPM at 60 psig (12.5 LPM at 4.1 bar, 50 Hz) Up to 4.0 GPM at 60 psig (15.1 LPM at 4.1 bar, 60 Hz) POWERVAR Series 2000 GPI Model: ABC15.0-20D40Y P/N: 74015-54R Connection DELTA Connection: WYE Enclosure type: NEMA 1 Power supply: 15 kVA, 3 Phase Input: 208 V Output: 400/233 V (2) EDWARDS 30 Rotary vane pumps Maximum displacement: 19 CFM at 50 Hz 23 CFM at 60 Hz Maximum speed: 16.2 CFM at 50 Hz 19.4 CFM at 60 Hz Motor rotational speed: 1440 RPM 1720 RPM Ultimate vacuum: Without gas-ballast: 1 x 10^-3 mbar With gas-ballast: 1.5 x 10^-2 mbar With Fomblin: 1 x 10^-2 mbar Noise level: 57 dB(A) at 50 Hz Maximum water vapor inlet pressure: 30 mbar / 23 torr Maximum water vapor pumping rate: 0.7 kg/h Maximum permitted outlet pressure (at full pump throughput): Gauge pressure: 0.5 bar Absolute pressure: 1.5 bar (1.5 x 10^5) Electrical supply: 200-240 V, 50 Hz 230-240 V, 60 Hz.