WK1868A高祖机
● High Output Power to 80Watts
● Measurement Range: 10kΩ to 1PΩ
● Basic Accuracy: ± 2% to 1TΩ
● Programmable Test Voltage: 10V to 1kV (1868A), 50V to 5kV (1868D)
● Selectable Charge Current: to 80mA (1868A), to 18mA (1868D)
● Leakage Current Measurement Down to 1pA (± 2% Basic Accuracy)
● Programmable Charge, Delay and Discharge Times
● Contact Check Function
● 5 Programmable Limit Sets
● Internal Storage of 4 Tests (20 Steps each) Plus Additional Storage with Optional PCMCIA Memory Card
● Standard RS232, IEEE and Remote I/O Interfaces
● Graphic LCD with Text, Bar Graph and X-Y Graph Displays
● Current or Resistance Display Mode
● 4 Ranges Plus Automatic Ranging
● Automatic Zeroing
● Floating Power Supply (1868A) for Measurements on Grounded Devices
Resistance Range 聽 | 10k惟 - 1P惟 (dependent on test voltage) 4 Ranges or Auto Range: Range 1: 1pA to 10nA, Range 2: 2nA to 100nA, Range 3: 20nA to 10uA, Range 4: 2uA to 1mA | |
Resistance Accuracy 聽 | For Rx <20G (Vx): 卤(2% of reading +5cnt) , For Rx >20G (Vx): 卤(Vx/1pA) in ohms. Max reading: Vx/0.1pA Rx = Measured resistance in ohms, Vx = Programmed voltage in volts | |
Voltage Range 聽 | 10 to 1000V DC in 1V steps, 1868A 50 to 5000V DC in 1V steps, 1868D | |
Voltage Accuracy | 2% of setting, 卤1V in uncalibrated mode | |
Source Resistance | 100惟, 1kV (1868A); 3.3k惟, 5kV (1868D) | |
Charge Current | 2/25/80mA (1868A); 2/10/18mA (1868D) | |
Discharge Resistance | 100k惟 | |
Current Measure | 1pA to 1mA | |
Current Accuracy | 卤[2% of reading +5cnts +1pA] | |
Input Impedance | For Ix > 10nA: 10k惟 ; For Ix < 10nA: 1M惟 ,Ix = Programmed current in amperes | |
Measure Limits | 5 Programmable Limit Sets | |
Measurement Result | Resistance or Current | |
Measurement Mode | Continuous or Triggered | |
Averaging | 1-100 measurements | |
Test Speed | Trigger Mode: 40msec, Continuous Mode: 90-4000msec, (Depending on # to Average) | |
Programmed Time 聽 | Charge: 0 - 9999msec (Charge R: 200惟) Measurement Delay: 0 - 9999msec Discharge: 0 - 100sec or Auto mode | Auto: 0.1(Cx) as Vx goes to 1% Vt Cx = Measured capacitance (渭F) Vx = Programmed voltage (V) |
Zero/Offset | Automatic Zeroing of All Ranges or Individual Zeroing of 4 Ranges | |
Display 聽 | LCD graphic display 3.5 digit resolution Line Graph: X-Y: I or R versus Time | Bar Graph: 8 ranges/2 decades/graph, Fixed or auto-scale Indicators: HV, Measure, Bin, Remote |
Standard Interfaces | RS232, IEEE 488, Remote I/O | |
Internal Storage 聽 | 2 Global Setups (Save Instrument Setup and Sequence Setups) 4 User-Programmable Sequence Setups, (Up to 20 Steps each) 4 Pre-Programmed Sequence Setups | |
External Storage 聽 | PCMCIA Interface for 2M SRAM Memory Cards (20 Setups/20 Steps each) | |
Input Terminals 聽 | HV: BNC Connector I IN: Triaxial Connector GUARD: Sheathed Banana Plug | |
Safety 聽 | Interlock Plug Password-protected Charge Current (For I > 2mA) HV Break Red LED/Push Button | |
Dimensions | (w x h x d):12.5 x 4.5 x 15.5 inches (312.5 x 112.5 x 387.5 mm) | |
Weight 聽 | 28 lbs (12.7kg) net 41 lbs (18.6kg) ship | |
Environmental | Operating: 10掳C to +40掳C, 80% RH | |
Power 聽 | 110V - 240V 50 or 60Hz 400W Max (1.8A at 220V AC, 3.2A at 125V AC) |