THM500 Series Specifications
6
Bench Test Instruments and Handheld Oscilloscopes Basic Service
Table 3: Scope specifications (cont.)
565560550
Vertical
Mathematics Subtract: (CH 1 – CH 2)
Add: (CH 1 + CH 2)
D D
Acquisition
Modes Sample (Normal), Spike Detect, Roll, Run/Hold, Smooth, Dynamic DSP
D D D
Acquisition Rate All modes except Dynamic DSP: Up to five waveforms per second
Dynamic DSP Mode: Up to 750 waveforms per second
(redisplayed at a slower rate.)
D D D
Horizontal
Time/Division Range 60 s/div to 200 ns/div in a 1-2-5 sequence
D D D
Time Base Accuracy ±(0.1% + 1 pixel)
D D D
Record Length 256 points
D D D
Spike Detect Captures spikes down to 40 ns at all sweep speeds
D D D
Single Shot Single shot on two channels simultaneously
D D D
Roll 200 ms/div to 60 s/div
D D D
Measurements
Cursors Voltage difference between cursors (DV)
Time difference between cursors (DT)
Reciprocal of DT in Hertz (1/DT)
D D D
Voltage and Amperes For voltage or current probes: Maximum (MAX), Minimum (MIN), Peak-Peak
(P–P)
D D D
Timing Frequency (FREQ), Period (PER)
D D D
Power Calculates true RMS current, voltage, true power, and power factor from CH 1
current (using current probe) and CH 2 voltage.
D D
THDF (Transformer Harmonic Derating Factor) calculated as
[(RMS Current × 1.41414) ÷ Peak Current], read from a current probe on CH 1.
D D
Trigger
Source CH 1 (Default)
D D D
CH 2
D D
Modes Auto-Level: Default when in AutoRange mode
Auto: Default in manual operation
Normal: User selectable
Single-Shot: User selectable
D D D
Slope Positive or Negative slope
D D D
Sensitivity, Edge-type DC Coupled 0.5 division: 200 to 500 V/div
1 division: 10 to 100 mV/div
2 divisions: 5 mV/div
D D D
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