B&K Precision 2100C User Manual

Data Sheet

Analog Oscilloscopes With Probes

2100C Series

B&K Precision's 212x Series are dual trace oscilloscopes that offers high performance at a low price. Most competitor's entry level oscilloscopes have a 20 MHz bandwidth, while B&K Precision's 212x Series have a bandwidth of 30-60 MHz. These oscilloscopes are built by and backed by B&K Precision, a company that has been selling reliable, durable, value priced test instruments

Common Features & Benefits

■ Dual or single trace operation

■ 5 mV/div sensitivity

■ Calibrated 23-step time base with X10

magnifier

■ Video sync trigger

■ Alternate/chop sweep

■ Sum and difference capability

Additional Features

■ Built-in component tester (2125C only)

■ Built-in 50 MHz frequency counter

(2121C only)

■ Delayed time base

■ Main, Mix, Delay, X-Y sweep modes

for over 60 years.

Specifications 2120C 2121C 2125C 2160C

Bandwidth 30 MHz 30 MHz 30 MHz 60 MHz

Sweep Time 0.1 µs/div to 2 s/div 20 ns/div to 5 s/div

Component Tester

- - √ √

Counter - √ - -

Technical data subject to change © B&K Precision Corp. 2014

www.bkprecision.com

Analog Oscilloscopes

100C Series

Specifications 2120C & 2121C

VERTICAL AMPLIFIERS (CH 1 and CH 2)

ensitivity

ttenuator

ccuracy

Input Resistance 1 MΩ ±2% nput Capacitance

Frequency Response 5 mV to 5 V/div: DC to 30 MHz (-3dB). X5: DC to 10 MHz (-3dB)

ise Time

Operating Modes CH 1: CH 1, single trace

CH 2 CH 2, single trace

CHOP dual trace, chopped

ADD agebraic sum of CH 1 + CH 2

olarity Reversal

Maximum Input Voltage 400 V (DC + AC peak)

SWEEP SYSTEM

Sweep Speed

Accuracy ±3%

Sweep Magnification

RIGGERING

Triggering Modes AUTO (free run) or NORM, TV-V, TV-H

rigger Source

Max 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

RIGGER SENSITIVITY

HORIZONTAL AMPLIFIER (Input through channel 2 input)

CRT

COUNTER (2121C)

GENERAL

uto

orm

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

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

Type Rectangular with internal graticule

Display Area 8 x 10 div (1 div = 1 cm)

Accelerating Voltage

Phosphor P31

Trace Rotation Electrical, front panel adjustable

Calibrating Voltage 1 kHz (±10%) positive square wave, 2 V p-p (±3%)

Display 5 digits, 0.36” red LED, display at “Hz” or “kHz” auto range

Display Resolution Auto select from 0.001 Hz to 1 kHz depending on the frequency

Max. Counter Range 0.1 Hz to 50 MHz

Accuracy +0.01% + 1 digit or 1/99999 + 1 digit

Time Base 18,432 MHz + 10ppm (23 ºC ±5 ºC)

Temperature

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 17.2 lbs (7.8 kg)

mV/div to 5 V/div, 1 mV/div to 1 V/div at X5

10 steps in 1-2-5 sequence. Vernier control provides

ull adjustment between steps

3%, ±5% at X5

5 pF ±10 pF

2 ns (Overshoot ≤ 5%)

ual trace, alternating

H 2 only

0.1 µs/div to 2 s/div in 1-2-5 sequence, 23 steps,

ernier control provides fully adjustable sweep time between steps.

10x

H 1, CH 2, ALT, EXT, LINE

andwidth:100 Hz-30 MHz, Internal: 1.5 div, External: 100 mV

andwidth: DC to 30 MHz, Internal: 1.5 div, External: 100 mV

2 kV

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

storage: -4˚ to 158˚F ( -20˚ to +70˚C

One Year Warranty

Supplied Accessories

Optional Accessories

Instruction manual, two PR-33A x1/x10 probes or equivalent,

PR-32A demodulator probe, PR-37A x1/x10/REF. probe, PR-100A x100 probe, PR-55 high voltage x1000 probe,

AC power cord and spare fuse

LC-210A carrying case

Specifications 2125C & 2160C

VERTICAL AMPLIFIERS (CH 1 and CH 2)

Sensitivity 5 mV/div to 5 V/div, 1 mV/div to 1 V/div at x5

ttenuator

Accuracy ±3%, ±5% at x5

Input Resistance 1 MΩ +2% nput Capacitance

requency Response

Rise Time 12ns (Overshoot ≤ 5%)

Operating Modes CH 1: CH 1, single trace

H 2

CHOP dual trace, chopped

olarity Reversal

Max. Input Voltage 400 V (DC to AC peak)

WEEP SYSTEM

Operating Modes

Main Sweep SpeeD

ccuracy

Sweep Magnification 10X, ±5%

elayed Sweep Speed

oldoff

elay Time Position

TRIGGERING

Triggering Modes AUTO (free run) or NORM, TV-V, TV-H

rigger Source Maximum External CH 1, CH 2, ALT, EXT, LINE

Trigger Voltage 300 V (DC + AC peak)

Trigger Coupling

TRIGGER SENSITIVITY

Auto Bandwidth: 100Hz - 40MHz, Internal: 1.5 div, External: ≥ 0.1Vp-p

Norm Bandwidth: 100Hz - 40MHz, Internal: 1.5 div. External: ≥ 0.1Vp-p

TV-V Bandwidth: DC -1kHz, Internal: 0.5 div, External: ≥ 0.05Vp-p

TV-H 1 kHz - 100kHz, Internal: 0.5 div, External: ≥ 0.05Vp-p

HORIZONTAL AMPLIFIER (Input through channel 1 input)

X-Y Mode Switch selectable using X-Y switch. CH 1: X axis, CH 2: Y axis Sensitivity Same as vertical channel 2

Accuracy Y-Axis: ±3%. X-Axis: ±6%

Input Impedance ame as vertical channel 2

Frequency Response DC to 1MHz typical (-3 dB), to 6 div horizontal deflection

X-Y Phase Difference 3˚ or less at 50 kHz

Max. Input Voltage Same as vertical channel 2

CRT

Type Rectangular with internal graticule

Display Area 8 x 10 div (1 div = 1 cm)

Accelerating Voltage 2 kV, 12 kV (2160C)

Phosphor P31

Trace Rotation Electrical, front panel adjustable

COMPONENT TESTER

Components Tested Resistors, Capacitors, Inductors, and Semiconductors

Test Voltage 6 V rms maximum (open)

Test Current 11 mA maximim (shorted)

Test Frequency Line frequency (60 Hz in USA)

Calibrating Voltage 1 kHz (±10%) positive square wave, 0.2 V p-p (±2%)

GENERAL

Temperature

Power Requirements

Dimensions (WxHxD) 7 x 14 .5 x 14.25" (180 x 370 x 440 mm)

Weight 17.2 lbs (7.8 kg)

10 steps in 1-2-5 sequence. Vernier control provides

mV to 5 V/div: DC to 30 MHz (-3dB), X5: DC to 10 MHz (-3dB)

X5 MAG: DC to 15 MHz (-3 dB). Model 2160C

Main, mix (both main sweep and delay sweep displayed),

23 steps Vernier control provides fully adjustable sweep time between steps

ontinuously variable for Main sweep up to 10 times normal

ontinuously variable to control percentage of display that is

AC 30 Hz to 30 MHz, TV H used for triggering from horizontal sync pulses,

Within specified accuracy:

Full operation: 32˚ to 104˚ F (0˚ to 40˚C), ≤ 85% RH

ull adjustment between steps

5 pF ±10 pF

C to 60 MHz (-3 dB). Model 2160C

H 2, single trace

ual trace, alternating

gebraic sum of CH 1 + CH 2

H 2 only

or Delay (only delay sweep displayed), X-Y

0.1 µs/div to 2.0 s/div in 1-2-5 sequence,

.1 ms/div to 0.1s/div in 1-2-5 sequence, 23 steps

evoted to main and delay sweep

TV V Used for triggering from vertical sync pulses

50˚ to 95˚F (10˚ to 35˚C), ≤ 85% RH

Storage: -4˚ to 158˚ F (-20˚ to +70˚C)

100/120/220/240 VAC ±10%, 50/60 Hz, Approximately 40 W

One Year Warranty

Supplied Accessories

Optional Accessories

Instruction manual, two PR-33A x1/x10 probes or equivalent,

PR-32A demodulator probe, PR-37A x1/x10/REF. probe, PR-100A x100 probe,

PR-55 high voltage x1000 probe, LC-210A carrying case

AC power cord and spare Fuse

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B&K Precision 2100C User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual