Precision measurement of resistance DC current bias for semiconductor devices
High stability current driver for semiconductor Light emitting devices ( LEDs, Laser diodes )
High precision DC current bias for sensors High stability DC current bias for any precision
( Thermal sensors, Hall sensors ) Measurement of samples
Automatic resistance measurements with
Other intelligent instruments
DC current output:
Setting resolution: 4 1/2 digits
Step resolution: 0.01mA
Output range: 0-100mA
Output accuracy: ±0.05% of settings ±100nA
Temp. coefficient: ±0.01% of settings/℃
DC voltage output and measurement
Output range: 0-102.5V
Measurement range: 0-102.5V
Meas. resolution: 4 1/2 digits
Max. resolution: 0.01V
Meas. Rin: > 5×108
Meas. accuracy: ±0.05% of settings ± 20mV.
Temp. coefficient: ±0.01% of settings/℃.
Display: 2 line by 16 character
Display unit: Current: mA; Voltage: V
Keypad: 10 keys functional keypad.
Operation: Keypad intuitive operation
Front panel lockout.
RS-232C interface capabilities
Baud rate: 9600, 19200, 57600 and 115200bps.
Connector type: 9-pin D-style female plug.
Connecting wiring: DCE configured.
Voltage level: EIA RS-232C Specified.
Transmission dist.: 15m or 50 feet max.
Transmission mode: Half duplex.
Hardware handshake: None.
Character bits: 1 start, 8 data, no parity, 1 stop.
Terminator: CR (0DH).
Command rate: 6 commands max per second
Output mode: 2-wire at front panel
4-wire at rear panel
Quadrant I (IOUT>0, VOUT>0)
YL4020 Current Source
Output connector: Dual banana socket at front panel
4 wire connector plug at rear panel
Ambient temp.: 15-35 ℃at rated accuracy
5-40℃ with reduced accuracy
AC 220V(-10% to +5%), 50-60Hz, 40VA max
Size: W′H′D = 217mm×88mm×317mm
Heat sink and connector plug on rear panel not involved