2120B

Data Sheet 30 MHz Dual Trace Analog Oscilloscope With Probes Model 2120B B&K Precision's model 2120B is a dual trace oscilloscope that offers high performance at a low price. Most competitor's entry level oscilloscopes have a 20 MHz bandwidth, while B&K Precision's models 2120B has a bandwidth of 30 MHz. This oscilloscope is built by and backed by B&K Precision, a company that has been selling reliable, durable, value priced test instruments for over 50 years. ■ ■ ■ ■ ■ Dual or single trace operation 5 mV/div sensitivity AUTO/NORM triggered sweep operation with AC, TVH, TVV and line coupling Compact low profile design cUL certified Speci ficat ions 21 20 B VERTICAL AMPLIFIERS (CH 1 and CH 2) Sensitivity 5 mV/div to 5 V/div, 1 mV/div to 1 V/div at X5 Attenuator 10 steps in 1-2-5 sequence. Vernier control provides full adjustment between steps Accuracy ±3%, ±5% at X5 Input Resistance 1 MΩ ±2% Input Capacitance 25 pF ±10pF Frequency Response 5 mV to 5 V/div: DC to 30 MHz (-3dB). X5: DC to 10 MHz (-3dB) Rise Time 12 ns (Overshoot ≤5%) Operating Modes CH 1: CH 1, single trace CH 2 CH 2, single trace ALT dual trace, alternating CHOP dual trace, chopped ADD agebraic sum of CH 1 + CH 2 Polarity Reversal CH 2 only Maximum Input Voltage 400 V (DC + AC peak) SWEEP SYSTEM 0.1 µs/div to 2 s/div in 1-2-5 sequence, 23 steps, Sweep Speed Vernier control provides fully adjustable sweep time between steps. Accuracy ±3% Sweep Magnification 10x TRIGGERING Triggering Modes AUTO (free run) or NORM, TV-V, TV-H Trigger Source CH 1, CH 2, ALT, EXT, LINE Maximum External Trigger Voltage 300 V (DC + AC peak) Trigger Coupling AC 30 Hz to 30 MHz TV H Used for triggering from horizontal sync pulses TV V Used for triggering from vertical sync pulses TRIGGER SENSITIVITY Auto Bandwidth:100 Hz-30 MHz, Internal: 1.5 div, External: 100 mV Norm Bandwidth: DC to 30 MHz, Internal: 1.5 div, External: 100 mV TV V Bandwidth: 20 Hz-1 kHz, Internal: .5 div, External: 100 mV TV H Bandwidth:1 kHz-100 kHz, Internal: .5 div, External: 100 mV HORIZONTAL AMPLIFIER (Input through channel 2 input) X-Y Mode Switch selectable using X-Y switch. CH 1: X axis, CH 2: Y axis Sensitivity Same as vertical channel 1 Input Impedance Same as vertical channel 1 Frequency Response DC to 1 MHz typical (-3 dB) X-Y Phase Difference Approximately 3˚ at 50 kHz Maximum Input Voltage Same as vertical channel 1 CRT Type Rectangular with internal graticule Display Area 8 x 10 div (1 div = 1 cm) Accelerating Voltage 2 kV Phosphor P31 Trace Rotation Electrical, front panel adjustable Calibrating Voltage 1 kHz (±10%) Positive Square Wave, 2 V p-p (±3%) GENERAL Within Specified Accuracy: 50˚ to 95˚F (10˚ to 35˚C), ≤85% RH Full Operation: 32˚ to 104˚F (0˚ to 40˚C), ≤85% RH Temperature Storage: -4˚ to 158˚F ( -20˚ to +70˚C Power Requirements 100/120/220/240 VAC ±10%, 50/60 Hz, approximately 40 W. Dimensions (WxHxD) 7 x 14.5 x 17.25" (180 x 370 x 440 mm) Weight Approximately 17.2 lbs (7.8 kg) Two Year Warranty Technical data subject to change © B&K Precision Corp. 2012 v013012 Supplies Accessories Instruction Manual, Two PR-33A x1/x10 Probes or equivalent, AC Power Cord, Spare Fuse Optional Accessories PR-32A Demodulator Probe, PR-37A x1/x10/REF. Probe, PR-100A x100 Probe, PR-55 High Voltage x1000 Probe, LC-210A Carrying Case www.bkprecision.com Tel.: 714.921.9095