Specifications - Tenma 72-6802 User Manual

30mhz dual trace oscilloscope
Table of Contents

Advertisement

Specifications

The specifications apply when the 72‐6802 is powered on for at least 
30 minutes under +20°C – +30°C. 
Vertical
Sensitivity accuracy
1mV/DIV to 2mV/DIV: ±5%
5mV/DIV to 5V/DIV: ±3%
Bandwidth
1mV/DIV to 2mV/DIV: DC to 7MHz
5mV/DIV to 5V/DIV: DC to 30MHz
AC coupling
> 10Hz (reference: 100kHz, 8DIV, –3dB)
Rise time
1mV/DIV to 2mV/DIV: Approx. 50nS
5mV/DIV to 5V/DIV: Approx. 11.7nS
Input impedance
Approx. 1M ohm // 25pF.
Square wave
≤ 5% Overshoot at 10mV/DIV
characteristics
Other ranges: 5% added to the above
±0.1DIV when moving 2 DIV at center
Linearity
Vertical mode
CH1, CH2, DUAL, ADD
Chop frequency
Approx. 250kHz
Input coupling
AC, GND, DC
Max input voltage
CAT II 300Vpeak (AC: ≤ 1kHz)
Max effective
Probe1:1 40Vpp (14Vrms Sine wave)
readout
Probe10:1 400Vpp (140Vrms Sine wave)
Common mode
≥ 50:1 at 50kHz sine wave
rejection ratio
(CH1 and CH2 vertical scales are equal)
Channel isolation @
>1000:1 at 50kHz
5mV/DIV
>30:1 at 30MHz
≥ 20 mV/DIV @ 50Ω, 50Hz to 5MHz
CH1 signal output
CH2 INV BAL.
≤1 DIV (Reference at center graticule)
Trigger
Trigger source
CH1, CH2, LINE, EXT
Coupling
AC: 20Hz to full bandwidth
Slope
+ / -
Sensitivity
20Hz to 2MHz : 0.5 DIV
(TRIG-ALT:2 DIV, EXT: 200mV)
2MHz to 30MHz: 1.5 DIV
(TRIG-ALT:3 DIV, EXT: 800mV)
TV: Sync pulse > 1 DIV (EXT: 1V)
Triggering modes
AUTO, NORM, TV-V, TV-H
EXT TRIG input
Input impedance: Approx.:1MΩ // 25pF
Max. input: CAT II 300Vpeak < 1kHz
APPENDIX
Horizontal Axis Sweep time accuracy 0.2µS to 0.5S/DIV, ±3%
X-Y Mode
Z-Axis
Probe
Compensation
Signal
Frequency
Counter
LCD
CRT
Power Source
Power
Operation
Environment
Storage
Environment
Accessories
Dimensions
Weight
39
40
±5% (20/50nS uncalibrated)
x10MAG accuracy
Linearity
±3%, x10:±5% (20/50nS uncalibrated)
Sensitivity
Same as vertical axis
Bandwidth
DC to at least 500kHz
Phase Difference
≤3 degrees at DC to 50kHz
Sensitivity
5Vpp (Positive going reduces intensity)
Bandwidth
DC to 2MHz
Input resistance
Approx. 47kΩ
Max input voltage
CAT II 30Vpeak (AC ≤1kHz)
Waveform
Positive-going square wave
Frequency
Approx. 1 kHz
Duty Ratio
Within 48:52
2 Vp-p ±2%.
Output voltage
Output impedance
Approx. 1 kΩ
Display Digits
Maximum 5 digit decimal
Frequency Range
50Hz to 30MHz
Accuracy
50Hz to 1kHz: ±0.05%
1kHz to 30MHz: ±0.02%
Sensitivity
> 2DIV
Display
VOLT/DIV, TIME/DIV, X-Y, Frequency
Backlight
Orange
Type
6-inch rectangular, internal graticule
Phosphor
P 31
Acceleration Volt.
Approx. 2kV
8 × 10 DIV (1 DIV = 10mm (0.39in))
Screen Size
AC115V/230V±15%, 50/60Hz
Approx. 40VA, 35W(max.)
Indoor use, Altitude ≤ 2000 m
Ambient temperature :
To satisfy specifications:10℃ to 35℃ (50°F to 95°F)
Maximum operating range: 0℃ to 40℃ (32°F to 104°F)
Relative humidity: 85% RH(max.) non-condensing
Installation Category II, Pollution degree 2
Ambient temperature: -10℃ to 70℃
Relative humidity: 70%RH (maximum)
Power cord x 1, User manual x 1, Probe x 2
310 (W) x 150 (H) x 455 (D) mm
Approx.8.2kgs (18.0lbs)
72-6802 User Manual

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents