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840,840F
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| 840,840F - 40MHz Hand-Held DSO/DMM
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Click on image for larger
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40MHz bandwidth |
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Built in High accuracy 6000 count True RMS DMM |
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200MS/s sampling rate single channel and 100MS per channel in dual channel |
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2.5GHz Equivalent sampling |
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20 automatic waveform Measurements |
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Self test and Self calibration |
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Help menu |
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Includes FFT |
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125KB record length for each channel |
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10 waveforms and setups may be stored and recalled |
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USB interface, cable and Software Included |
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High Resolution 320x 240 pixel Monochrome LCD |
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Edge/Pulse width, TV/Pattern and Delay trigger modes |
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MSRP: Model 840: $1,309; |
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Optional Accessaries: Carrying Bag $60, Spare NiMH Rechargeable Battery Pack $56, 600 Amp Current Probe $147 |
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| Specification |
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| No. Inputs |
2 |
| Analog Bandwidth |
40MHz |
| Rise Time |
< 8.75ns |
| Sensitivity |
5mV to100V/div (in a 1,2,5 sequence) |
| Resolution |
8 bit |
| Offset |
±5 div from the center |
| Vertical Accuracy |
±3 % |
| Input Impedance |
1MW ±1%
20pF ±1.3pF |
| Max. Input Voltage |
300V DC or AC peak |
| Probe Attenuation |
x1 and x10 |
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| Sweep Rate |
10ns/Div to 50s/Div |
| Time Base Accuracy |
±0.01% |
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| Acquisition Modes |
Sample, Peak detect, Envelope, Average |
| Sampling |
Real Time and Equivalent |
| Sample Rates |
200MS/s single channel
100MS/s per channel Dual channel |
| Equivalent Sampling |
2.5GS/s |
| Sample Rate Accuracy |
100ppm |
| Record Length |
125KB/Channel |
| Waveform Interpolation |
Dot, Linear, Sine, and Pulse |
| Peak Detect |
10ns minimum |
| Averages |
2 to 256 |
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| Sensitivity |
0.5 Div (DC to 5MHz) |
| Trigger Types |
Edge, Pulse width, Video |
| Coupling |
AC, DC HF-Reject, LF-Reject, Noise Reject |
| Modes |
Normal, Single, Roll, Auto |
| Trigger Level Range |
±20 Div from the center of the screen |
| Trigger Level Accuracy |
±0.4 Div |
| Trigger Source |
CHA and CHB |
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| Video Trigger sensitivity |
0.7 Div |
| Video Type |
NTSC, PAL, Secam |
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| Types |
P-P, Max, Amplitude, Top, Base, Pos/Neg over shoot, Pre-shoot, RMS, Mean, One cycle mean, Freq., Period, ±Width, ±Duty cycle, Rise/Fall time, Delay and Phase shift |
| Math Operations |
CHA+CHB, CHA-CHB, CHB-CHA, FFT |
| Cursors |
DV, DT |
| FFT |
Yes |
| Weighting |
Rectangular, Hamming, Hanning and Blackman-Harris |
| Amplitude Display |
1, 2, 5, 10dB/Div |
| Maximum Frequency |
1.25GHz |
| Memory |
10 waveforms and settings saved and recalled |
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| Range |
600mV to 1000V |
| Accuracy |
±(0.3% + 10d) |
| Best Resolution |
100µV |
| Impedance |
10MW |
| Overload protection |
1000VDC or AC peak |
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| Range |
6V to 600V |
| Accuracy |
±(0.75% + 10d) 50Hz to 1KHz
±(2.0% + 10d) 1KHz to 30KHz |
| Best Resolution |
1mV |
| Impedance |
10MW |
| Overload protection |
1000VDC or AC peak |
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| Range |
600W to 60MW |
| Accuracy |
±(0.5% + 10d) |
| Best Resolution |
100mW |
| Overload Protection |
250V DC or AC peak |
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| Range |
60nF to 300µF |
| Accuracy |
±(2.0% + 10d) |
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| Diode Test Accuracy |
±2% |
| Continuity |
Buzzer will sound < 60W
dBm with reference impedances of 2, 4, 8, 16, 50, 75, 93, 110, 125, 135, 150, 300, 600, 900, 1K or 1.2KW |
| High Current |
To 600A with external current Clamp |
| Temperature (with Probe) |
To 600ºC (1112ºF) |
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| Size |
8.3" (H) x 4.2" (W) x 2.2" (D) |
| Weight |
2.6 lbs |
| Power |
9VDC @ 1A AC/DC adapter, 7.2V NIMH rechargeable battery pack |
| Standard accessories |
AC/DC adapter, Battery Pack, User's manual, Scope probe (2), Holster, Test Leads, USB cable and software |
| Optional accessories |
Clamp-on current probe and Carrying Bag |
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