6220精密型直流低电流源Keithley吉时利
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产品详情
6220型直流电流源和6221型交流/直流电流源系列,是非常易于使用噪声极低的精密微电流源。微电流的产生在许多研发和产品测量应用中是关键的仪器,尤其是在半导体、纳米技术和超导等方面。6220/6221系列成为下列应用的理想选择,例如霍尔测量、Delta模式电阻测量、脉冲式测量、以及微分电导的测量等。 GENERAL SPECIFICATIONS COMMON MODE VOLTAGE: 250V rms, DC to 60Hz. COMMON MODE ISOLATION: >10000000000Ω, < 2nF. SOURCE OUTPUT MODES: Fixed DC level, Memory List. REMOTE INTERFACE: IEEE-488 and RS-232C. SCPI (Standard Commands for Programmable Instruments) DDC (command language compatible with Keithley Model 220) PASSWORD PROTECTION: 11 characters. DIGITAL INTERFACE: Handler Interface: Start of test, end of test, 3 category bits,+5V@300mA supply. Digital I/O: 1 trigger input, 4 TTL/Relay Drive outputs(33V@500mA, diode clamped). OUTPUT CONNECTIONS: • Teflon insulated 3-lug triax connector for output. • Banana Safety Jack for GUARD, OUTPUT LO • Screw Terminal for CHASSIS • DB-9 connector for EXTERNAL TRIGGER INPUT,OUTPUT, and DIGITAL I/O • Two position Screw Terminal for INTERLOCK INTERLOCK: Maximum 10Ù external circuit impedance. POWER SUPPLY: 100V to 240V rms, 50-60Hz. POWER CONSUMPTION: 120VA. WARRANTY: 1 Year. ENVIRONMENT: For Indoor Use Only: Maximum 2000m above Sea Level. Operating: 0°-50°C, 70%R.H. up to 35°C. Derate 3% R.H./°C,35°-50°C. Storage: -25°C to 65°C, guaranteed by design. EMC: Conforms to European Union Directive 89/336/EEC, EN61326-1. SAFETY: Conforms to European Union Directive 73/23/EEC,EN61010-1. VIBRATION: MIL-PRF-28800F Class 3, Random. WARMUP: 1 hour to rated accuracies. Passive Cooling: No fan. DIMENSIONS: Rack Mounting: 89mm high x 213mm wide x 370mm deep (3.5in. x 8.375 in. x 14.563 in.). Bench Configuration (with handle and feet): 104mm high x238mm wide x 370mm deep (4.125 in. x 9.375 in. x 14.563 in.). SHIPPING WEIGHT: 4.75kg (10 lbs). ACCESSORIES SUPPLIED: Model 237-ALG-2 Triaxial Test Lead (6.6ft), Trigger Link cable, RS-232 (Null Modem) cable,Interlock terminal block, User’s Manual, CD Manual, LabVIEW Drivers.
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