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Medical Equipment

Analog Oscilloscope model:AT7340S

 

Detailed Product Description

Features

●20MHz Dual Channels
●High Sensitivity 1mV/DIV
●Z Axis Input
●CH1 Output
●ALT Triggering Function. Two independent signals simultaneous observation
●Triggering Level Loch Function, Automatic Synchronize Function
●Cursor Readout Function, Measure ⊿V,⊿T,1/⊿T
●High luminance, internal graticule Toshiba CRT
●Pulse encoder switch
●Pulse encoder switch
●Adjustable cursor function, Easy to operator 
●Visible coordinate sensitivity to 10V~20V/DIV

Technical Specifications

Vertical System
Sensitivity 5mV~5V/div,10 steps in 1-2-5 sequence
Sensitivity Accuracy ≤3 %( ×5 MAG: ≤5%) vernier vertical Sensitivity; Continuously variable to 1/2.5 or less of panel-indicated value Frequency
Bandwidth DC~40MHz (×5 MAG: DC~15MHz) AC Coupling: Low limit frequency 10Hz. (With reference to 100Kz, 8DIV. Frequency response with-3dB)
Rise Time Approx: 9.5ns (×5 MAGS: 25ns)
Input Impedance Approx: 1MΩ/25pF
Square wave characteristics: Overshoot: ≤5 %( At 10mV/div range)
Other distortions and other ranges: 5% added to the above value
DC Balance Shift 5mV~5V/div: ±0.5DIV, 1mV~2mV/DIV ±2.0DIV
Linearity  <±0.1DIV of amplitude change when waveform of 2DIV at graticule center is moved vertically
Vertical system: CH1: Channel 1
                    CH2: Channel2
                    DUAL: Channel 1 and Channel 2
                    ADD: Addition of Channel 1 and Channel 2
Chopping repetition Frequency Approx. 250KHz
Input Coupling AC, GND, DC
Maximum Input Voltage 300Vpeak (AC: frequency 1 kHz or lower)
Common mode rejection ratio: 50: 1 or better at 50 KHz sinusoidal wave (When sensitivities of CH1 and CH2 are set equally)
Isolation between channels(At 5mv/DIV range) >1000: 1 at 50kHz ; >30: 1 at 40MHz

Horizontal System
Sweep time: 0.2uSec~0.5Sec/DIV, 20steps in 1-2-5 sequence
Sweep time accuracy: ±3%
Vernier sweep time control: ≤1/2.5 of panel-indicated value
Sweep magnification: 10 times
×10MAG sweep time accuracy: ±5% (20nsec ~50nsec are uncalibrated)
Linearity: ±3%, ×10MAG ±5% (20nsec ~50nsec are uncalibrated)
Position shift caused by ×10MAG: within 2DIV. at CRT screen center
X-Y MODE: Frequency bandwidth: DC to at least 500 KHz
X-Y phase difference: ≤30 at DC~5 KHz
Sensitivity: Same as vertical axis. (X-axis: CH1 input signal; Y-axis:CH2 input signal)

Z Axis
Sensibility: 5Vp-p (Positive-going signal decreases intensity)
Frequency bandwidth: DC~2MHz
Input resistance: Approx. 47kΩ
Maximum input voltage: 3V (DC+AC peak, AC frequency ≤1kHz)

Calibration Voltage
Waveform: Positive-going square wave;
Frequency: Approx. 1 kHz;
Duty ratio: Within 48: 52;
Output voltage: 2Vp-p ±2%; Output impedance: Approx. 1kΩ

CRT
Type: 6inch rectangular type, internal graticule;
Phosphor: P31
Acceleration voltage: Approx. 2kV
Effective screen size: 8×10DIV (1 DIV=10mm (0.39in))
Graticule: Internal
Trace rotation: provided

Triggering

Triggering Source: CH1, CH2, LINE, EXT

Coupling: AC: 20Hz to full bandwidth
Slope: +/-
Sensitivity: 20MHz~40MHz: 0.5DIV
TRIG-ALT: 2DIV, EXT: 200mV
20 MHz ~40MHz: 2.0DIV
TRIG-ALT: 3DIV, EXT: 800mV;
TV: Sync pulse more than 1DIV (EXT: 1V)
Triggering modes: AUTO; NORM; TV-V; TV-H; (Both TV-V and TV-H synchronize only when the synchronizing signal is negative)
EXT triggering signal input:
Input impedance: Approx: 1MΩ/approx. 25p
Max. input voltage: 300V(DC+AC peak), AC: Frequency not higher than 1kHz

Power Requirement
Voltage: Fixed AC220V±10% or 110/220V±10% selectable
Frequency:50/60Hz
Power consumption: Approx.40VA, 35W(max)

Operating Ambient
Indoor,2000m elevation
Ambient temperature: 10℃~35℃
Max operating range: 0℃~40℃
Humidity: 85% RH ,dry
Size: 310×150×455(mm)
Weight: approx.8Kg
Storage temperature:-10℃~70℃

Accessories
Power cord: ×1; Instruction manual: ×1;  Probs:×2

 

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