Document #: SPEC-2400L
Specifications subject to change without notice.
SOURCE SPECIFICATIONS1
VOLTAGE PROGRAMMING ACCURACY (LOCAL OR REMOTE SENSE)
| MODEL | RANGE | PROGRAMMING RESOLUTION | ACCURACY (1 Year) 23°C ±5°C ±(% rdg. + volts) | NOISE (peak-peak) 0.1Hz to 10Hz |
| 200.00 mV | 5 µV | 0.02% + 600 µV | 5 µV | |
| 2.00000 V | 50 µV | 0.02% + 600 µV | 50 µV | |
| 20.0000 V | 500 µV | 0.02% + 2.4 mV | 500 µV | |
| 2400-C and 2400 Only: | 200.00 V | 5 mV | 0.02% + 24 mV | 5 mV |
TEMPERATURE COEFFICIENT (0°-18°C & 28°-50°C): ±(0.15 × accuracy specification)/ °C.
MAX. OUTPUT POWER: 22W, four quadrant source or sink operation.
SOURCE/SINK LIMITS:
MODEL 2400, 2400-C: ±21V @ ±1.05A, ±210V @ ±105 mA.
MODEL 2400-LV, 2401: ±21V @ ±1.05A.
VOLTAGE REGULATION: Line: 0.01% of range. Load: 0.01% of range + 100 µV.
NOISE 10Hz – 1MHz (p-p): 20mV typical into a resistive load.
OVER VOLTAGE PROTECTION: User selectable values, 5% tolerance. Factory default = none.
CURRENT LIMIT: Bipolar current limit (compliance) set with single value. Min. 0.1% of range.
OVERSHOOT: <0.1% typical (full scale step, resistive load, 10mA range).
CURRENT PROGRAMMING ACCURACY (LOCAL OR REMOTE SENSE)
| RANGE | PROGRAMMING RESOLUTION | ACCURACY (1 Year)3 23°C ±5°C ±(% rdg. + volts) | NOISE (peak-peak) 0.1Hz to 10Hz |
| 1.00000 µA | 50 pA | 0.035% + 600 pA | 5 pA |
| 10.0000 µA | 500 pA | 0.033% + 2 nA | 50 pA |
| 100.000 µA | 5 nA | 0.031% + 20 nA | 500 pA |
| 1.00000 mA | 50 nA | 0.034% + 200 nA | 5 nA |
| 10.0000 mA | 500 nA | 0.045% + 2 µA | 50 nA |
| 100.000 mA | 5 µA | 0.066% + 20 µA | 500 nA |
| 1.00000 A2 | 50 µA | 0.27% + 900 µA | 25 µA |
1. Specifications valid for continuous output currents below 105mA. For operation above 105mA continuous for > 1 minute, derate accuracy 10%/35mA above 105mA.
2. Full operation (1A) regardless of load to 30°C. Above 30°C ambient, derate 35mA/°C and prorate 35mA/Ω load. 4-wire mode. For current sink operation on 1A range, maximum continuous power is limited to approximately 1/2 rated power or less, depending on current, up to 30°C ambient. See power equations in the User’s Manual to calculate allowable duty cycle for specific conditions.
3. For sink mode, 1µA to 100mA range, accuracy is: ±(0.5% + offset*4) For 1A range, accuracy is: ±(1.5% + offset*8)
TEMPERATURE COEFFICIENT (0°-18°C & 28°-50°C): ±(0.15 × accuracy specification)/ °C.
MAX. OUTPUT POWER: 22W, four quadrant source or sink operation.
SOURCE/SINK LIMITS:
MODEL 2400, 2400-C: ±21V @ ±1.05A, ±210V @ ±105 mA.
MODEL 2400-LV, 2401: ±21V @ ±1.05A
CURRENT REGULATION: Line: 0.01% of range. Load: 0.01% of range + 100pA.
VOLTAGE LIMIT: Bipolar voltage limit (compliance) set with single value. Min. 0.1% of range.
OVERSHOOT: <0.1% typical (1mA step, RL = 10kΩ, 20V range).
ADDITIONAL SOURCE SPECIFICATIONS
TRANSIENT RESPONSE TIME: 30µs minimum for the output to recover to its spec. following a step change in load.
COMMAND PROCESSING TIME: Maximum time required for the output to begin to change following the receipt of :SOURce:VOLTage|CURRent <nrf>
OUTPUT SETTLING TIME: Time required to reach 0.1% of final value after command is processed and output slew. 100µs typical. Resistive load. 10µA to 100mA range.
OUTPUT SLEW RATE (±30%):0.5V/µs, 200V range, 100mA compliance. (2400 and 2400-C only) 0.08V/µs, 20V range, 100mA compliance.
DC FLOATING VOLTAGE: Output can be floated up to ±250VDC from chassis ground.
REMOTE SENSE: Up to 1V drop per load lead.
COMPLIANCE ACCURACY: Add 0.3% of range and ±0.02% of reading to base specification.
OVER TEMPERATURE PROTECTION: Internally sensed temperature overload puts unit in standby mode.
RANGE CHANGE OVERSHOOT: Overshoot into a fully resistive 100kΩ load, 10Hz to 1MHz BW, adjacent range changes between 200mV, 2V, and 20V ranges, 100mV typical.
MINIMUM COMPLIANCE VALUE: 0.1% of range.
MEASURE SPECIFICATIONS1,2
VOLTAGE MEASUREMENT ACCURACY (LOCAL OR REMOTE SENSE)
| MODEL | RANGE | DEFAULT RESOLUTION | INPUT RESISTANCE | ACCURACY (1 Year) 23°C ±5°C ±(% rdg. + volts) |
| 200.00 mV | 1 µV | >10 GΩ | 0.012% + 300 µV | |
| 2.00000 V | 10 µV | >10 GΩ | 0.012% + 300 µV | |
| 20.0000 V | 100 µV | >10 GΩ | 0.015% + 1.5 mV | |
| 2400-C and 2400 Only: | 1000.00 V | 1 mV | >10 GΩ | 0.015% + 10 mV |
1. Speed = Normal (1 PLC). For 0.1 PLC, add 0.005% of range to offset specifications, except 200mV and 1A ranges, add 0.05%. For 0.01 PLC, add 0.05% of range to offset specifications, except 200mV, and 1A ranges, add 0.5%.
2. Accuracies apply to 2- or 4-wire mode when properly zeroed.
TEMPERATURE COEFFICIENT (0°-18°C & 28°-50°C): ±(0.15 × accuracy specification)/ °C
CURRENT MEASUREMENT ACCURACY (LOCAL OR REMOTE SENSE)
| RANGE | DEFAULT RESOLUTION | VOLTAGE BURDEN3 | ACCURACY (1 Year) 23°C ±5°C ±(% rdg. + amps) |
| 1.00000 µA | 10 pA | <1 mV | 0.029% + 300 pA |
| 10.0000 µA | 100 pA | <1 mV | 0.027% + 700 pA |
| 100.000 µA | 1 nA | <1 mV | 0.025% + 6 nA |
| 1.00000 mA | 10 nA | <1 mV | 0.027% + 60 nA |
| 10.0000 mA | 100 nA | <1 mV | 0.035% + 600 nA |
| 100.000 mA | 1 µA | <1 mV | 0.055% + 6 µA |
| 1.00000 A | 10 µA | <1 mV | 0.22% + 570 µA |
3. 4-wire mode.
TEMPERATURE COEFFICIENT (0° or 18°C & 28° to 50°C): ±(0.10 × accuracy specification)/ °C.
RESISTANCE MEASUREMENT ACCURACY (LOCAL OR REMOTE SENSE)
| RANGE | DEFAULT RESOLUTION | DEFAULT TEST CURRENT | NORMAL ACCURACY (23°C ±5°C) 1 YEAR, ±(% rdg. + ohms) |
ENHANCED ACCURACY (23°C ±5°C)5 1 YEAR, ±(% rdg. + ohms) |
| <2.00000 Ω4 | 10 µΩ | — | Source IACC + Meas. VACC | Meas IACC + Meas. VACC |
| 20.0000 Ω | 100 µΩ | 100 mA | 0.10% + 0.003 Ω | 0.07% + 0.001 Ω |
| 200.000 Ω | 1 mΩ | 10 mA | 0.08% + 0.03 Ω | 0.05% + 0.01 Ω |
| 2.00000 kΩ | 10 mΩ | 1 mA | 0.07% + 3 Ω | 0.05% + 0.1 Ω |
| 20.0000 kΩ | 100 mΩ | 100 µA | 0.06% + 6 Ω | 0.04% + 1 Ω |
| 200.000 kΩ | 1 Ω | 10 µA | 0.07% + 30 Ω | 0.05% + 10 Ω |
| 2.00000 MΩ | 10 Ω | 1 µA | 0.11% + 300 Ω | 0.05% + 100 Ω |
| 20.0000 MΩ | 100 Ω | 1 µA | 0.11% + 1 kΩ | 0.05% + 500 Ω |
| 200.000 MΩ | 1 kΩ | 100 nA | 0.66% + 10 kΩ | 0.35% + 5 kΩ |
| >200.000 MΩ4 | — | — | Source IACC + Meas. VACC | Meas IACC + Meas. VACC |
4. Manual ohms only.
5. Source readback ON, offset compensation ON, add system noise but don’t include offsets.
TEMPERATURE COEFFICIENT (0° to 18°C & 28° to 50°C): ±(0.15 × accuracy specification)/ °C.
SOURCE I MODE, MANUAL OHMS: Total uncertainty = I source accuracy + V measure accuracy (4-wire remote sense).
SOURCE V MODE, MANUAL OHMS: Total uncertainty = V source accuracy + I measure accuracy (4-wire remote sense).
6-WIRE OHMS MODE: Available using active ohms guard and guard sense. Max. Guard Output Current: 50mA (except 1A range). Accuracy is load dependent. Refer to White Paper no. 2033 for calculation formula.
GUARD OUTPUT IMPEDANCE: <0.1Ω in ohms mode.
CONTACT CHECK SPECIFICATIONS
SPEED: 350µs for verification and notification.
| CONTACT CHECK: | 2Ω | 15Ω | 50Ω |
| No contact check failure | <1.00Ω | <13.5Ω | <47.5Ω |
| Always contact check failure | >3.00Ω | >16.5Ω | >52.5Ω |
SYSTEM SPEEDS
MEASUREMENT1
MAXIMUM RANGE CHANGE RATE: 75/second.
MAXIMUM MEASURE AUTORANGE TIME: 40ms (fixed source)2.
SWEEP OPERATION3 READING RATES (rdg./second) FOR 60Hz (50Hz):
| SPEED | NPLC/TRIGGER ORIGIN | MEASURE | SOURCE-MEASURE5 | SOURCE-MEASURE PASS/FAIL TEST4,5 | SOURCE-MEMORY4,5 | ||||
| TO MEM. | TO GPIB | TO MEM | TO GPIB | TO MEM. | TO GPIB | TO MEM. | TO GPIB | ||
| Fast | 0.01 / internal | 2081 (2030) | 1754 | 1551 (1515) | 1369 | 902 (900) | 981 | 165 (162) | 165 |
| IEEE-488.1 Mode | 0.01 / external | 1239 (1200) | 1254 | 1018 (990) | 1035 | 830 (830) | 886 | 163 (160) | 163 |
| Fast | 0.01 / internal | 2081 (2030) | 1198 (1210) | 1551 (1515) | 1000 (900) | 902 (900) | 809 (840) | 165 (162) | 164 (162) |
| IEEE-488.2 Mode | 0.01 / external | 1239 (1200) | 1079 (1050) | 1018 (990) | 916 (835) | 830 (830) | 756 (780) | 163 (160) | 162 (160) |
| Medium | 0.10 / internal | 510 (433) | 509 (433) | 470 (405) | 470 (410) | 389 (343) | 388 (343) | 133 (126) | 132 (126) |
| IEEE-488.2 Mode | 0.10 / external | 438 (380) | 438 (380) | 409 (360) | 409 (365) | 374 (333) | 374 (333) | 131 (125) | 131 (125) |
| Normal | 1.00 / internal | 59 (49) | 59 (49) | 58 (48) | 58 (48) | 56 (47) | 56 (47) | 44 (38) | 44 (38) |
| IEEE-488.2 Mode | 1.00 / external | 57 (48) | 57 (48) | 57 (48) | 57 (47) | 56 (47) | 56 (47) | 44 (38) | 44 (38) |
SINGLE READING OPERATION READING RATES (rdg./second) FOR 60Hz (50Hz):
| SPEED | NPLC/TRIGGER ORIGIN | MEASURE TO GPIB | SOURCE-MEASURE TO GPIB5 | SOURCE-MEASURE PASS/FAIL TEST4,5 TO GPIB |
| Fast (488.1) | 0.01 / internal | 537 | 140 | 135 |
| Fast (488.2) | 0.01 / internal | 256 (256) | 79 (83) | 79 (83) |
| Medium (488.2) | 0.10 / internal | 167 (166) | 72 (70) | 69 (70) |
| Normal (488.2) | 1.00 / internal | 49 (42) | 34 (31) | 35 (30) |
COMPONENT INTERFACE HANDLER TIME FOR 60Hz (50Hz):4, 6, 8
| SPEED | NPLC/TRIGGER ORIGIN | MEASURE TO GPIB | SOURCE PASS/FAIL TEST | SOURCE-MEASURE PASS/FAIL TEST4,5 TO GPIB |
| Fast | 0.01/ external | 1.04 ms (1.08 ms) | 0.5 ms (0.5 ms) | 4.82 ms (5.3 ms) |
| Medium | 0.10 / external | 2.55 ms (2.9 ms) | 0.5 ms (0.5 ms) | 6.27 ms (7.1 ms) |
| Normal | 1.00 / external | 17.53 ms (20.9 ms) | 0.5 ms (0.5 ms) | 21.31 ms (25.0 ms) |
1. Reading rates applicable for voltage or current measurements. Auto zero off, auto range off, filter off, display off, trigger delay = 0, binary reading format, and source auto-clear off.
2. Purely resistive load. 1µA and 10µA ranges <65ms.
3. 1000 point sweep was characterized with the source on a fixed range.
4. Pass/Fail test performed using one high limit and one low math limit.
5. Includes time to re-program source to a new level before making measurement.
6. Time from falling edge of START OF TEST signal to falling edge of END OF TEST signal.
7. Command processing time of :SOURce:VOLTage|CURRent:TRIGgered <nrf>
8. Models 2400, 2400-LV, and 2400-C.
GENERAL
NOISE REJECTION
| NPLC | NMRR | CMRR | |
| Fast | 0.01 | — | 80 dB |
| Medium | 0.1 | — | 80 dB |
| Slow | 1 | 60 dB | 100dB1 |
1. Except lowest two current ranges — 90 dB.
LOAD IMPEDANCE: Stable into 20,000pF typical.
COMMON MODE VOLTAGE: 250V DC.
COMMON MODE ISOLATION: >109Ω, <1000pF.
OVERRANGE: 105% of range, source and measure.
MAX. VOLTAGE DROP BETWEEN INPUT/OUTPUT AND SENSE TERMINALS: 5V.
MAX. SENSE LEAD RESISTANCE: 1MΩ for rated accuracy.
SENSE INPUT IMPEDANCE: >1010Ω.
GUARD OFFSET VOLTAGE: <300μV, typical.
SOURCE OUTPUT MODES:
Fixed DC level
Memory List (mixed function)
Stair (linear and log)
SOURCE MEMORY LIST: 100 points max.
MEMORY BUFFER: 5,000 readings @ 5.5 digits (two 2,500 point buffers). Includes selected measured values and time stamp. Lithium battery backup (3 yr+ battery life).
PROGRAMMABILITY: IEEE-488 (SCPI-1996.0), RS-232, 5 user-definable power-up states plus factory default and *RST.
DIGITAL INTERFACE:
Output Enable: Active low input.
Handler Interface: Start of test, end of test, 3 category bits. +5V @ 300mA supply. Model 2400, 2400-LV, 2400-C only.
Digital I/O: 1 trigger input, 4 TTL/Relay Drive outputs (33V @ 500mA, diode clamped). Model 2400, 2400-LV, 2400-C only. Model 2401 uses the trigger input (SOT) line but not the four digital output lines.
POWER SUPPLY: 100V to 240V rms, 50 to 60Hz (automatically detected at power up). 190VA.
WARRANTY: 1 year.
EMC: Conforms to European Union EMC Directive.
SAFETY: UL listed to UL 61010B-1:2003. Conforms to European Union Low Voltage Directive.
WARM-UP: 1 hour to rated accuracies.
DIMENSIONS: 89mm high × 213mm wide × 370mm deep (3 1/2 in × 8 3/8 in × 14 9/16 in).
Bench Configuration (with handle & feet): 104mm high × 238mm wide × 370mm deep (4 1/8 in × 9 3/8 in × 14 9/16 in).
WEIGHT: 3.21kg (7.08 lbs).
ENVIRONMENT:
For Indoor Use Only: Maximum 2000m above Sea Level
Operating: 0° to 50°C, 70% R.H. up to 35°C. Derate 3% R.H./°C, 35° to 50°C.
Storage: –25°C to 65°C.