Analog Oscilloscope PINTEK- Taiwan, PS-251 (25MHz With Component Test, 2 channel)

Specifications:

Manufacturer: Pintek- Taiwan

Origin: Taiwan

Warranty: 12 Months

CRT:

Type: Rectangular with integral grateful.

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

Accelerating Voltage: 2.1 kV.

Phosphor: P31

Vertical amplifiers (CH 1 and CH 2)

Sensitivity: 5 mV/div to 5V/div (X1 mode).

                      1 mV/div to 1V/div (X5 mode).

                      1-2-5 sequence, 10 step attenuator.

                      Vernier control provides full adjustable

                       attenuation between steps.

Accuracy: ±3% (X1 mode). ±5% (X5 mode).

Input Resistance: 1 M±2%

Input Capacitance: 25 pF//10pF.

Frequency Response: 5 mV to 5 V/div (CAL): DC

                                         to 25 MHz (-3 dB) 1 mV/div

                                         (CAL): DC to 10 MHz (-3 dB)

Rise Time: Approximately 14.0ns.

Operating Modes: CH1 : CH 1, single trace. CH2 : CH 2,

                                  single trace. ALT : dual trace, alternating.

                                  CHOP : dual trace, chopped. ADD :

                                  algebraic sum of CH 1 + CH 2

Polarity Reversal (Invert): CH 2 only.

Maximum Input Voltage: 400 V dv + ac peak

Maximum Undistorted Amplitude: DC-to-25 MHz : 4 divisions.

                                                                DC-to-15 MHz : 8 divisions.

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: 1mv/div to 5v/div

Accuracy: Y-Axis : ±3% ±X-Axis : ±6%

Input Impedance: 1M//25PF

Frequency Response: DC to 1 MHz typical (-3 dB)

X-Y Phase Difference: Approximately 3o at 50 kHz.

Maximum input Voltage: 400Vdc+ac peak

SWEEP SYSTEM

Sweep Speed: 0.1 μs/div to 2 s/div in 1-2-5 sequence,

                          23 steps. Vernier control provides fully

                          adjustable sweep time between steps.

Accuracy : ±3%

Sweep Magnification:10X, ±6% (0.1 μs and 0.2 μs ranges

                                         uncaliubrated when X10 is engaged).

Holdoff: Continuously adjustable from NORM to 5 times normal.

TRIGGERING

Trigger Source: CH 1, CH 2, ALT, EXT, LINE.

Maximum External Trigger Voltage: 300V 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: Internal : 0.5 division (1 division with TV

                                     Coupling) External : 500 mV

OTHER SPECIFICATIONS

COMPONENT TEST:

Test Voltage: Max. 6 Vrms (open circuit).

Test Current: Max. 11 mA(shorted).

Test Frequency: Line Frequency

Components : Capacitor, Inductor, Diode, Transistor, Zener etc.

BEAM FINDER: Trace can be return to CRT center area when

                               press beam finder button.

GRATICULE ILLUMINATION: Adjustable

Calibration Voltage: 1 kHz (nominal) Positive

                                      Square Wave, 2.0 V p-p (±3%)

Trace Rotation: Electrical, front panel adjustable.

Power Requirements: 115/230 VAC ±10%, 50/60Hz

Dimensions: 324 x 132 x 398 mm (12.8 x 5.2 x 15.6″).

Weight: Approximately 7.6kg (16.75bs)