5491B

Data Sheet True RMS Bench Multimeters 2831E and 5491B True RMS Bench Multimeters with Dual Display The B&K Precision models 2831E and 5491B are versatile and dependable bench multimeters suitable for applications in education, service and repair, and manufacturing requiring basic and reliable measurements. Additionally, these instruments enhance your productivity with built-in math functions and USB connectivity, features not found in other bench meters in this price category. Math operations Rel, Max/Min, dBm, dB, %, and Hold provide educators with a convenient tool to teach basic math concepts. Model Resolution Count Digits Features & benefits The 2831E and 5491B take typical multimeter measurements such as volts, ohms, and amps with great accuracy, stability, and basic VDC accuracy of 0.02% on the 5491B and 0.03% on the 2831E. The meters are also capable of measuring frequency, period, continuity, and performing diode tests. Readings can be taken at a maximum rate of 25 readings/sec with measurement rates selectable between slow, medium, and fast. Thes multimeters were designed for cost-conscious users requiring a basic and dependable meter with a broad range of features offered at a value price. ■ Up to 50,000 count display resolution ■ Basic VDC accuracy of up to 0.02% ■ Dual display to indicate two measurements simultaneously ■ AC + DC True RMS ■ Up to 25 readings per second measurement rate ■ AC volt and amp measurement over wide frequency range (ACV 100 kHz/ACI 20 kHz) ■ Limit mode for Pass/Fail testing ■ Built-in math functions: Rel, Max/Min, dBm, dB, %, Hold, Compare ■ CATI (1000 V)/CATII (300 V) Protection (Virtual Com) and RS232* interface compatible 2831E 20,000 4 1/2 ■ USB 5491B 50,000 4 3/4 ■ SCPI *5491B only Technical data subject to change © B&K Precision Corp. 2021 www.bkprecision.com True RMS Bench Multimeters Models 2831E and 5491B ▲ Versatile tools ▲ Easy operation Dual Display Bright VFD display capable of displaying two measurements Soft rubber control buttons Sheathed safety banana input jacks These meters offer a dual display allowing multiple measurements to be conveniently displayed at once. The display values could be two different measurements or one measurement expressed in different units. For example, you can simultaneously read an AC voltage and a frequency value or a DC voltage value expressed in volts and in dB. Limit Operation The limit operation lets you set and control the values that determine a HI / IN / LO status of subsequent measurements. The meter can be configured to emit an audible alarm when readings are outside of the configured limit. Durable rubber bumpers for added protection and ability to stack multiple instruments Rear panel USB communication interface Increase Productivity with PC Connectivity The 2831E and 5491B are programmable via USB and RS232 (5491B only) interface using industry standard SCPI commands. Users can control and configure the instrument from a remote PC and retrieve measurement results for further analysis. The meters can also be remotely controlled using application software (downloadable from the B&K website), which supports front panel emulation and data logging of measurement results. Front panel fuse compartment for easy fuse replacement Earth ground connection RS232 Interface (5491B) AC receptacle protected with 110/220V selectable line fuse Application software screenshot 2 www.bkprecision.com True RMS Bench Multimeters Models 2831E and 5491B Specifications DC Voltage Resolution, Full Scale Reading and Accuracy ± (% of reading + % of range), 23 °C ± 5 °C 5491B 2831E R ate Slow Slow R ange Re solution Full Scale Re ading Accu racy (1 year) Typical In pu t I mpedance 200.00 mV 10 µV 210.00 0.04%+0.09% (1) >10 MΩ 2.0000 V 100 µV 2.1000 0.04%+0.08% (1) >11.1 MΩ 20.000 V 1 mV 21.000 0.04%+0.09% >10.1 MΩ 200.00 V 10 mV 210.00 0.04%+0.09% 10 MΩ 1000.0 V 100 mV 1010.0 (2) 0.04%+0.08% 10 MΩ 500.00 mV 10 µV 510.00 0.02%+0.016% (1) >10 MΩ 5.0000 V 100 µV 5.1000 0.02%+0.008% (1) >11.1 MΩ 50.000 V 1 mV 51.000 0.02%+0.008% >10.1 MΩ 500.00 V 10 mV 510.00 0.02%+0.008% 10 MΩ 1000.0 V 100 mV 1010.0 (2) 0.02%+0.008% 10 MΩ (1) under REL status (2) 1% over-range (1010 V) is readable at 1000 V range AC Voltage Resolution, Full Scale Reading and Accuracy ± (% of reading + % of range), 23 °C ± 5 °C 2831E 5491B Accu racy(1 year)(1) 23 °C ± 5 °C Range Re solution Fu ll Scale Readi ng 20~50 Hz 50~20 kH z 20~50 kHz 50~100 kHz 200.00 mV 10 µV 210.00 1.0%+0.2%) 0.5%+0.15% 1.8% + 0.25% 3.0% + 0.75% 2.0000 V 100 µV 2.1000 1.0%+0.2%) 0.4%+0.05% 1.5% + 0.1% 3.0% + 0.25% 20.000 V 1 mV 21.000 1.0%+0.2% 0.4%+0.05% 1.5% + 0.1% 3.0% + 0.25% 200.00 V 10 mV 210.00 ---- 0.8%+0.075% 1.5% + 0.1% 750.0 V 100 mV 757.5(3) ---- 0.8%+0.075% 2.3% + 0.15% (2) 500.00 mV 10 µV 510.00 1.0%+0.08%) 0.5%+0.06% 1.5% + 0.1% 3.0% + 0.3% 5.0000 V 100 µV 5.1000 1.0%+0.08%) 0.35%+0.02% 1% + 0.04% 3.0% + 0.1% 50.000 V 1 mV 51.000 1.0%+0.08% 0.35%+0.02% 1% + 0.04% 3.0% + 0.1% 500.00 V 10 mV 510.00 ---- 0.5%+0.03% 1% + 0.04% 3.0% + 0.1% 750.0 V Max. crest factor: 3.0 at full scale 100 mV 757.5(3) ---- 0.5%+0.03% 2.3% + 0.15% (2) 3.3% + 0.8% (2) R ate S low S low 3.0% + 0.55% 3.3% + 0.8% (2) (1) Specifications are for sine wave inputs >5% of range. (2) Limit at 40 kHz or ≤ 3×107 Volt-Hz for 750 V range (3) 1% over-range (757.50V) is readable at 750V range DC Current Resolution, Full Scale Reading and Accuracy ± (% of reading + % of range), 23 °C ± 5 °C 5491B 2831E R ate S low S low Full Scale Re ading Accu racy (1 ye ar) Bu rden Voltage(1) & Shu nt Re sistor 0.1 µA 2.1000 0.08%+0.025% (2) 1 µA 21.000 0.08%+0.02% (2) 200.00 mA 10 µA 210.00 0.08%+0.02%