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BK Precision 2190B - 100 MHz Oscilloscope
2190B - 100 MHz Oscilloscope
BK Precision 2190B - 100 MHz Oscilloscope
B+K Precision Model 2190B is one of the most economical 100 MHz analog oscilloscopes on the market, yet it has all of the high performance features needed for most applications, including delayed time base, bandwidth limiter, and Y axis output. 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
List Price: $1,599.00
Add to Cart2190B

Specifications

VERTICAL AMPLIFIERS (CH 1 and CH 2)

Sensitivity

5mV/div to 5V/div. 1 mV/div to 1V/div (at X5 MAG)

Attenuator

10 calibrated steps in 1-2-5 sequence.
Vernier control provides fully adjustable sensitivity between steps, adjustment range 1/1 to 1/2.5

Accuracy

+-3% (+-5% at X5 MAG)

Input Impedance

1MW+ 3%

Input Capacitance

25 pF +- 10pF

Frequency Response

DC: DC to 100 MHz (-3 dB) on 10mV/Div setting

X5 MAG

DC to 20 MHz (-3 dB)

AC

10Hz to 100 MHz (-3 dB)

Rise Time

3.5 ns (Overshoot <=5%)

Signal Delay Time

Variable

Square Wave Characteristics

Overshoot less than 5%, 10mV/div range
Other ranges within 5% additional

Maximum Input Voltage

400V (DC + AC peak)

VERTICAL AMPLIFIERS

Operating Modes

CH 1, CH 2, Dual, Add

Delay Time Between Channels

Within 1 ns between CH 1 and CH 2

Crosstalk

30:1 at 100 kHz

SWEEP SYSTEM

Operating Modes

 

A

A sweep

B

Delayed B sweep

B TRIGGERED

B sweep triggered after delay

A Time Base

 

Sweep Mode

Auto, normal

Sweep Time:

5s to 20ns/div., 23 steps in 1-2-5 sequence with variable control

Accuracy

+-3%

Hold Off Time

Continuously variable. Adjustment range from normal to 1,5 times the sweep time

B Time Base

 

Delay Method

Continuous delay. Triggered delay

Sweep Time

20ns to 0.5s/div., 23 steps in 1-2-5 sequence

Accuracy

+-3%

Hold Off Time

Continuously variable. Adjustment range from normal to 1.5 times the sweep time

B Time Base

 

Delay Method

Continuous delay. Triggered delay

Sweep Time

20 ns. to 0.5s/div., 23 steps in 1-2-5 sequence

Accuracy

+-3%

Delay Time

Start point: 0.5 div to + 0.3 div.
End point: 10 div + 1 div

Delay Jitter

Within 1/10,000 of full scale sweep time

TRIGGERING

A Trigger

 

Source

CH 1, CH 2, LINE, EXT

Sensitivity

30Hz to 110 MHz

TV-V

20Hz - 30kHz

TV-H

3 kHz - 100 kHz

Slope

+ or -

B Trigger

The A trigger is also the B trigger

EXTERNAL TRIGGER

Input Impedance

1 m, 30 pF

Maximum Input Voltage

300V (DC + AC peak)

HORIZONTAL AMPLIFIER

X-Y Mode

X Axis = CH 1, Y Axis = CH 2

Sensitivity

5 mV/div to 5 V/div, CH 1 and CH 2

Accuracy

+- 3% calibrated position, +-6% using x10 MAG

Frequency Response

DC: DC to 100 MHz (-3 dB)

X5 MAG

DC to 20 MHz (-3 dB)

AC

10 Hz to 100 MHz (-3 dB)

Rise Time

3.5 ns (Overshoot <=5%)

Signal Delay Time

Variable

Square Wave Characteristics

Overshoot less than 5%, 10 mV/div range

 

Other ranges within 5% additional

Maximum Input Voltage

400V (DC + AC peak)

VERTICAL AMPLIFIERS

Operating Modes

CH 1, CH 2, Dual, Add

Delay Time Between Channels

Within 1 ns between CH 1 and CH 2

Crosstalk 30:1 at 100 kHz

 

SWEEP SYSTEM

Operating Modes

 

A

A sweep

B

Delayed B sweep

B TRIGGERED

B sweep triggered after delay

A Time Base

 

Sweep Mode

Auto, normal

Sweep Time:

5s to 20ns/div., 23 steps in 1-2-5 sequence with variable control

Accuracy

+-3%

Hold Off Time

Continuously variable. Adjustment range from normal to 1.5 times the sweep time

B Time Base

 

Delay Method

Continuous delay. Triggered delay

Sweep Time

20ns. to 0.5s/div., 23 steps in 1-2-5 sequence

Accuracy

+-3%

Delay Time

Start point: 0.5 div to + 0.3 div.
End point: 10 div + 1 div

EXTERNAL TRIGGER

Input Impedance

1 m, 30 pF

Maximum Input Voltage

300V (DC + AC peak)

HORIZONTAL AMPLIFIER

X-Y Mode

X Axis = CH 1, Y Axis = CH 2

Sensitivity

5 mV/div to 5 V/div, CH 1 and CH 2

Accuracy

+-3% calibrated position, +-6% using x10 MAG

Frequency Response

DC to 2 MHz (-3 dB)

CH I (Y) OUTPUT

 

Output Voltage

Approx. 100mV/div open circuit
Approx. 50 mV/div into 50 

Freq. Response

50 Hz to 30 MHz

Output Impedance

approx. 50

CRT

Type

Rectangular with integral graticule

Display Area

8x10 div (1 div = 1 cm)

Accelerating Voltage

15 kV

Phosphor

P31

Scale Illumination

None

Trace Rotation

Electrical, front panel adjustable

Other Specifications

Z Axis (Intensity Modulation)

Sensitivity: 3V or greater, TTL level.
Negative polarity increases brightness

Input Impedance

15 k

Usable Freq. Range

DC to 3.5 MHz

Maximum Input Voltage

20 V (DC + AC peak)

CAL/Probe Compensation

Waveform

Positive going squareware

Output Voltage

0.5 V p-p +- 3%

Frequency

Approx. 1 kHz

Duty Cycle

50 +- 5%

Power Requirements

100/120/220/240/VAC +- 10%, 50/60 Hz, approximately 55 W

Dimensions (HxWxD)

12.76x15.68x5.2'' (324x398x132 mm)

Weight

18.7 lbs. (8.5 kg)

ENVIRONMENT

Within Specified Accuracy

50 0 to 95 0 F (10 0 to 35 0 C), 85% maximum RH

Full Operation

32 0 to 104 0 F (0 0 to +40 0C), 85% maximum RH

Storage

-4 0 to 158 0 F (-20 0 to +70 0 C)

Accessories

Three Year Warranty

SUPPLIED: Instruction Manual, Two PR-37A x1/x10/Ref. Probes or equivalent, AC Power Cord, Spare Fuse

OPTIONAL: PR-32A Demodulator Probe, PR-46A x10 Probe, PR-37A x1/x10/REE Probe, PR-100A x100 Probe, PR-55 High Voltage x1000 Probe, LC-210A Carrying Case



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