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SEFRAM

Sefram为B+K Precision集团旗下品牌之一，公司设立于法国，创建于1947年，拥有60年的丰富经验与高度信誉。Sefram专致于记录仪及电视信号分析仪器的生产与研究，产品于欧美拥有极高的声誉，Sefram将以卓越的技术为您提供最精准的测量与分析。

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BK2125A示波器

2009/12/24 11:29:28 阅读：403次

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产品系列名称：BK2125A示波器
产品定货号：ME-02920-00

产地：法国
品牌：SEFRAM
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30 MHz bandwidth

Dual or single trace operation

5mV/div sensitivity

Delayed sweep

Built in component tester

Compact low profile design

Specifications

Model 2125A

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

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 to AC peak)

SWEEP SYSTEM

Operating Modes

Main, mix (both main sweep and delay sweep displayed), or Delay (only delay sweep displayed), X-Y

Main Sweep SpeeD

0.1 us/div to 2.0 s/div in 1-2-5 sequence, 23 steps Vernier control provides fully adjustable sweep time between steps

Accuracy

+-3%

Sweep Magnification

10X, +-5%

Delayed Sweep Speed

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

Holdoff

Continuously variable for Main sweep up to 10 times normal

Delay Time Position

Continuously variable to control percentage of display that is devoted to main and delay sweep

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 syns pulses

TV H Used for triggering from vertical syns pulses

TRIGGER SENSITIVITY

Coupling	Bandwidth	Int	Ext
Auto	100Hz - 40MHz	1.5 div.	>=0.1Vp-p
Norm	100 Hz - 40 MHz	1.5 div.	>=0.1Vp-p
TV-V	DC - 1kHz	0.5 div	>= 0.05Vp-p
TV-H	1 kHz - 100 kHz	0.5 div	>= 0.05 Vp-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 1 MHz typical (-3 dB), to 6 div horizontal deflection

X-Y Phase Difference

3 0 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

Phosphor

P31

Trace Rotation

Electrical, front panel adjustable

COMPONENT TESTER

Components Tested

Resistors, Capacitors, Inductors, and Semiconductors

Test Voltage

6V rms maximum (open)

Test Current

11 mA maximum (shorted)

Test Frequency

Line Frequency (60Hz in USA)

Calibrating Voltage

1 kHz (+-10%) Positive Square Wave, 0.2 V p-p (+-2%)

Other Specifications

Within Specified Accuracy

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

Full Operation

32 0 to 104 0 F (0 0 to 40 0 C), <= 85% RH

Storage

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

Power Requirements

Approximately 40 W

All other operating specifications are the same as model 2120A

Dimensions (WxHxD)

7x14.5x14.25'' (180x370x440 mm)

Weight

Approximately 17.2 lbs. (7.8 kg)

Three Year Warranty

Accessories

SUPPLIED: Instruction Manual, Two PR-33A x1/x10 Probes or equivalent, AC Power Cord, Spare Fuse
OPTIONAL: PR-32A Demodulator Probe, PR-37A x1/x10/REE Probe, LC-210A Carrying Case