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
for over 60 years.
Common Features & Benefits
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Additional Features
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Dual or single trace operation
5 mV/div sensitivity
Calibrated 23-step time base with X10
magnifier
Built-in component tester (2125C & 2160C)
Built-in 50 MHz frequency counter
(2121C only)
Delayed time base
Main, Mix, Delay, X-Y sweep modes
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Video sync trigger
Alternate/chop sweep
Sum and difference capability
Specifications
Bandwidth
Sweep Time
Component Tester
Counter
2120C
30 MHz
2121C
30 MHz
0.1 µs/div to 2 s/div
2125C
30 MHz
√
-
2160C
60 MHz
20 ns/div to 5 s/div
√
-
-
-
√
-
Technical data subject to change
© B&K Precision Corp. 2014
www.bkprecision.com
Analog Oscilloscopes
2100C Series
Specifications
2120C & 2121C
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
10 steps in 1-2-5 sequence. Vernier control provides
Attenuator
full adjustment between steps
Accuracy
±3%, ±5% at X5
Input Impedance
1 MΩ ±2%
Input Capacitance
25 pF ±10 pF
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
algebraic sum of CH 1 + CH 2
Polarity Reversal
CH 2 only
Max. Input Voltage
400 V (DC + AC peak)
SWEEP SYSTEM
Sweep Speed
Accuracy
Sweep Magnification
TRIGGERING
Triggering Modes
Trigger Source
Max External Trigger Voltage
Trigger Coupling
TV H
TV V
0.1 µs/div to 2 s/div in 1-2-5 sequence, 23 steps,
Vernier control provides fully adjustable sweep time between steps.
±3%
10x ±10%
AUTO (free run) or NORM, TV-V, TV-H
CH 1, CH 2, ALT, EXT, LINE
300 V (DC + AC peak)
AC 30 Hz to 30 MHz
Used for triggering from horizontal sync pulses
Used for triggering from vertical sync pulses
VERTICAL AMPLIFIERS (CH 1 and CH 2)
Sensitivity
5 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
Attenuator
full adjustment between steps
Accuracy
±3%, ±5% at X5
Input Impedance
1 MΩ +2%
Input Capacitance
25 pF ±10 pF
5 mV to 5 V/div: DC to 30 MHz (-3dB), X5: DC to 10 MHz (-3dB)
Frequency Response
DC to 60 MHz (-3 dB). Model 2160C
X5 MAG:
DC to 15 MHz (-3 dB). Model 2160C
Rise Time
12ns (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
algebraic sum of CH 1 + CH 2
Polarity Reversal
CH 2 only
Max. Input Voltage
400 V (DC to AC peak)
SWEEP SYSTEM
Operating Modes
Main Sweep Speed
Accuracy
Sweep Magnification
Delayed Sweep Speed
Holdoff
Delay Time Position
TRIGGERING
Triggering Modes
Main, mix (both main sweep and delay sweep displayed),
or Delay (only delay sweep displayed), X-Y
0.1 µs/div to 2.0 s/div in 1-2-5 sequence,
23 steps Vernier control provides fully adjustable sweep time between steps
±3%
10X ±5%
0.1 ms/div to 0.1s/div in 1-2-5 sequence, 23 steps
Continuously variable for Main sweep up to 10 times normal
Continuously variable to control percentage of display that is
devoted to main and delay sweep
AUTO (free run) or NORM, TV-V, TV-H
TRIGGER SENSITIVITY
Auto
Bandwidth:100 Hz-30 MHz, Internal: 1.5 div, External:
≥0.5Vp-p
Norm
Bandwidth: DC to 30 MHz, Internal: 1.5 div, External:
≥0.5Vp-p
TV V
Bandwidth: 20 Hz-1 kHz, Internal: 1.0 div, External:
≥0.5Vp-p
TV H
Bandwidth:1 kHz-100 kHz, Internal: 1.0 div, External:
≥0.5Vp-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
Input Impedance
Same as vertical channel 2
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 2
CRT
Type
Display Area
Accelerating Voltage
Phosphor
Trace Rotation
Calibrating Voltage
COUNTER (2121C)
Display
Display Resolution
Max. Counter Range
Accuracy
Time Base
GENERAL
Temperature
AC Input
Dimensions (WxHxD)
Weight
Within specified accuracy: 50˚ to 95˚F (10˚ to 35˚C), 10-80% RH
Full operation: 32˚ to 122˚ F (0˚ to 50˚C), 10-80% RH
Storage: -22˚ to 158˚ F (-30˚ to +70˚C), 10-90% RH
100/120/220/240 VAC ±10%, 50/60 Hz, approximately 40 W.
7 x 14.5 x 17.25" (180 x 370 x 440 mm)
16.8 lbs (7.6 kg)
Rectangular with internal graticule
8 x 10 div (1 div = 1 cm)
2 kV
P31
Electrical, front panel adjustable
1 kHz (±10%) positive square wave, 2 V p-p (±3%)
5 digits, 0.36” red LED, display at “Hz” or “kHz” auto range
Auto select from 0.001 Hz to 1 kHz depending on the frequency
0.1 Hz to 50 MHz
+0.01% + 1 digit or 1/99999 + 1 digit
18,432 MHz + 10ppm (23 ºC ±5 ºC)
Trigger Source
Trigger Voltage
Trigger Coupling
TRIGGER SENSITIVITY
Auto
Norm
TV-V
TV-H
CH 1, CH 2, ALT, EXT, LINE
300 V (DC + AC peak)
AC 30 Hz to 30 MHz, TV H used for triggering from horizontal sync pulses,
TV V Used for triggering from vertical sync pulses
Bandwidth: 100Hz - 40MHz, Internal: 1.5 div, External:
≥0.5Vp-p
Bandwidth: 100Hz - 40MHz, Internal: 1.5 div. External:
≥0.5Vp-p
Bandwidth: DC -1kHz, Internal: 1.0 div, External:
≥0.5Vp-p
1 kHz - 100kHz, Internal: 1.0 div, External:
≥0.5Vp-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
Same 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
Display Area
Accelerating Voltage
Phosphor
Trace Rotation
COMPONENT TESTER
Components Tested
Test Voltage
Test Current
Test Frequency
Calibrating Voltage
GENERAL
Temperature
AC Input
Dimensions (WxHxD)
Weight
Within specified accuracy: 50˚ to 95˚F (10˚ to 35˚C), 10-80% RH
Full operation: 32˚ to 122˚ F (0˚ to 50˚C), 10-80% RH
Storage: -22˚ to 158˚ F (-30˚ to +70˚C), 10-90% RH
Rectangular with internal graticule
8 x 10 div (1 div = 1 cm)
2 kV, 12 kV (2160C)
P31
Electrical, front panel adjustable
Resistors, Capacitors, Inductors, and Semiconductors
6 V rms maximum (open)
11 mA maximim (shorted)
Line frequency (60 Hz in USA)
1 kHz (±10%) positive square wave, 0.2 V p-p (±2%)
One Year Warranty
Supplied Accessories
Optional Accessories
Instruction manual, two PR-33A X1/X10 probes or equivalent,
AC power cord and spare fuse
PR-32A demodulator probe, PR-37A x1/x10/REF probe,
.
PR-100A x100 probe, PR-55 high voltage x1000 probe,
LC-210A carrying case
100/120/220/240 VAC ±10%, 50/60 Hz,
Approximately 40 W
7 x 14 .5 x 14.25" (180 x 370 x 440 mm)
16.8 lbs (7.6 kg)
One Year Warranty
Supplied Accessories
Optional Accessories
Instruction manual, two PR-33A X1/X10 probes or equivalent,
AC power cord and spare Fuse
PR-32A demodulator probe, PR-37A x1/x10/REF probe, PR-100A x100 probe,
.
PR-55 high voltage x1000 probe, LC-210A carrying case
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v040815
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