| Voltage |
0 to 20 V |
| Current |
0 to 6 A |
| Maximum Power |
120 W |
| Accuracy |
±(0.02% + 3 mV) |
| Resolution |
1 mV |
| Accuracy |
±(0.02% + 2 mV) |
| Resolution |
0.1 mV |
| 5˝ (0.1 PLC) |
0.21 mV |
| 4˝ (0.01 PLC) |
1.44 mV |
| 3˝ (0.002 PLC) |
7.60 mV |
| Load |
±(0.01% + 2 mV) |
| Line |
±(0.01% + 1 mV) |
| Bandwidth 20 Hz-20 MHz |
<1 mV RMS, <6 mV p-p |
| Load Transient Recovery Time |
Resistive load change 50% load to 100% load or 100% load to 50% load: <50 μs to within 15 mV of V-set. |
| Slew Rate |
Rising Voltage and Falling Voltage: 10 V/s to 100 V/s. Up to 1000 V/s under limited conditions3. 100 V/s (default). |
| Maximum Source Voltage Drop per Lead To Maintain Specified Voltage Accuracy |
1 V |
| Maximum Sense HI and Sense LO Lead Resistance To Maintain Specified Voltage Accuracy |
2 Ω |
| Full-scale Amps |
6.1 A |
| Accuracy |
±(0.05% + 5 mA) |
| Resolution |
0.1 mA |
| Setting Accuracy |
±(0.25% + 0.25 V) |
| Resolution |
125 mV |
| Response Time |
<1.5 ms.9 |
| Setting Accuracy |
±(0.25% + 0.10 A) |
| Resolution |
25 mA |
| Output Turn-off Temperature |
>93 °C (typical) |
| Response Time |
<1.5 ms (typical).9 |
| Common Mode Current |
<6 μA peak-peak (typical) |
| Chassis Isolation |
±240 V, any terminal to chassis. >1 GΩ in parallel with <6.8 nF |
| Temperature Coefficient |
Add the following to all accuracy specifications when outside the range, 23 °C ±5 °C (0.15 × specification)/ °C for 0° to 18 °C and 28° to 40 °C |
| Measurement Display Modes |
Voltage and current, voltage only, current only |
| Measurement Acquisition Control |
Continuous, manual, external digital input, PC bus |
| List Mode |
Maximum number of stored lists: 9
Number of points in a list: 2-99
List storage location: Internal memory or USB memory stick |
| REL |
Removes offset from current reading display, Range -1 × 106 to +1 × 106 |
| Mx+b |
Reading = x, M = -1 × 106 to +1 × 106, b = -1 × 106 to + 1 × 106 |
| Filter |
Moving average, Count 2-100, Window 0.01% to 100% |
| Memory Buffer |
2500 locations; each location contains voltage measurement, current measurement, CV/CC Mode, and time stamp
9 memory slot for saving battery model
NVRAM |
| Display |
4.3 in. front panel color display, resolution 480 pixels × 272 pixels |
| Plots of stored data |
Voltage vs. data point, current vs. data point, voltage and current vs. data point, 100 point resolution. Plots can also display statistics: mean, maximum, minimum, peak-peak, standard deviation. |
| Table of stored data |
Time/date, voltage, current.
Soft button and navigation wheel control. |
| GPIB |
IEEE-488.2 compliant and status model topology |
| LAN |
RJ-45 connector, 10/100BT, Auto MDIX |
| IP Configuration |
Static or DHCP
LXI Core 2011, version 1.4 |
| USB |
USB2.0 device (rear panel, type B), USBTMC compliant
USB2.0 host (front panel, type A), full speed, support U-disk drives |
| Front |
(2-wire). Adjustable supporting, safety shrouded banana, spade lug, or wire |
| Rear |
(4-wire sense). 6-pin removal screw terminal, safety shrouded cover, removable local sense jumpers |
| Real-Time Clock |
Capacitive charged, 20 days between next power on cycle at 23 °C and ≤50%RH. |
| Digital I/O |
9-pin female D-sub. 6 Input/Output pins. |
| Input Signal Levels |
0.7 V (maximum logic low). 3.7 V (minimum logic high) |
| Input Voltage Limits |
-0.25 V (Absolute minimum). +5.25 V (Absolute maximum) |
| Maximum Source Current |
+2.0 mA @ >2.7 V (per pin) |
| Maximum Sink Current |
-50 mA @ 0.7 V (per pin, solid-state fuse protected)
5 V power supply, limited to 0.5 A @ >4 V (solid-state fuse protected)
Trig In minimum pulse ≥4 μs, Logic Low pulse
Meter Ready Pulse, 15-30 μs, Logic Low Pulse |
| EMC |
Conforms to European Union EMC directive |
| U.S. NRTL Listing |
UL61010-1 3rd ed 2012 |
| Canadian Certification |
CAN/CSA C22.2 No. 61010-1 3rd ed 2012 |
| European Union Compliance |
Low Voltage Directive, EN/IEC 61010-1 3rd ed 2010 |
| Cooling |
Forced air, side intake, and rear exhaust |
| Power Supply |
100 V / 120 V / 220 V / 240 V ±10%. |
| Power Line Frequency |
50/60 Hz ±3 Hz, automatically sensed at power-on |
| Power Consumption |
630 VA peak |
| Operating Environment |
0° to 40 °C, ≤80% RH up to 35 °C, non-condensing. Altitude: up to 2000 meters. |
| Storage Environment |
-25° to 70 °C |
| LXI Web Browser Compatible Operating System and Software |
Windows 2000, Win 7, and XP compatible, supports Web browsers with Java plug-in (requires Java plug-in 1.7 or higher). Web page served by 2281S |
| Rack Dimensions |
(W×H×D), without boot: 213.8 × 88.4 × 383.3 mm (8.42 × 3.48 × 15.1 in.) |
| Bench Dimensions |
(W×H×D) with boot: 255.3 × 107.2 × 415.0 mm (10.1 × 4.22 × 16.34 in.) |
| Shipping Weight |
13.29 kg (29.3 lbs.). |
| Net Weight |
10.85 kg (23.9 lbs.) |
| Warranty |
3 years |