The Tektronix THS720A is a member of the THS700 TekScope Series, combining a 100 MHz, 500 MS/s dual-channel digital real-time oscilloscope with a True RMS digital multimeter in a rugged, battery-operated handheld design. Featuring independent, isolated floating channels and integrated analysis capabilities, it is designed for both benchtop testing and demanding field service applications.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | RS-232 |
| Display | High-contrast backlit monochrome LCD, 320 × 240 resolution |
Physical
| Parameter | Value |
|---|---|
| Power Supply | NiCd rechargeable battery pack or AC power adapter/charger |
| Operating Temperature | 0 °C to +50 °C |
| Dimensions (W×H×D) | 177 mm × 217 mm × 51 mm |
| Weight | 1.45 kg |
Vertical System
| Parameter | Value |
|---|---|
| Analog Bandwidth (-3 dB) | 100 MHz |
| Calculated Rise Time (10% to 90%) | 3.5 ns |
| Number of Channels | 2 isolated scope channels plus 1 DMM channel |
| Input Impedance | 1 MΩ || 25 pF |
| Input Coupling | AC, DC, GND |
| Vertical Sensitivity Range | 5 mV/div to 50 V/div (with 1X probe) |
| Vertical Resolution | 8-bit |
| Maximum Input Voltage | 600 VRMS CAT II floatable (between channels or channel to earth ground) |
| Channel-to-Channel Isolation | 600 VRMS |
| DC Gain Accuracy | ±2% |
| Analog Bandwidth Limit | 20 MHz |
| Lower Frequency Limit (AC Coupled) | <10 Hz (without probe) |
| Probe Attenuation Factor | 1X, 10X, 100X, 1000X |
Horizontal System
| Parameter | Value |
|---|---|
| Timebase Range | 5 ns/div to 50 s/div |
| Timebase Accuracy | ±0.015% |
Acquisition System
| Parameter | Value |
|---|---|
| Maximum Real-Time Sample Rate | 500 MS/s per channel |
| Maximum Record Length | 2500 points |
| Glitch Capture | 8 ns |
| Acquisition Modes | Sample, Peak Detect, Envelope, Average |
| Roll Mode | Yes |
| Waveform Storage | Up to 10 waveforms |
| Setup Storage | Up to 10 instrument setups |
Trigger System
| Parameter | Value |
|---|---|
| Trigger Sources | Channel 1, Channel 2 |
| Trigger Modes | Auto, Normal, Single |
| Standard Trigger Types | Edge |
| Advanced Trigger Types | Pulse (width, glitch), Video (line count, field select) |
| Trigger Coupling | AC, DC, Noise Reject, HF Reject, LF Reject |
| External Trigger Input | No |
| Internal Trigger Sensitivity | 0.35 div (DC to 10 MHz), 1.0 div (10 MHz to 100 MHz) |
Waveform Measurements and Analysis
| Parameter | Value |
|---|---|
| Automatic Measurements | 21 measurements |
| Cursor Measurements | Voltage, Time, ΔV, ΔT, 1/ΔT |
Digital Multimeter
| Parameter | Value |
|---|---|
| DMM Resolution | 3-3/4 digits (4000 counts) |
| DMM Functions | DC Voltage, AC Voltage (True RMS), Resistance, Continuity (Beeper), Diode Test |
| DMM Maximum Input Voltage | 600 VRMS |
| DMM Overload Protection | 600 VRMS |
| Datalogger Mode | Yes |
Display and User Interface
| Parameter | Value |
|---|---|
| Waveform Display Formats | YT, XY |
Power Specifications
| Parameter | Value |
|---|---|
| Battery Operating Time | Up to 2 hours |
Environmental and Compliance
| Parameter | Value |
|---|---|
| Storage Temperature Range | -20 °C to +60 °C |
Physical Characteristics
| Parameter | Value |
|---|---|
| Form Factor | Handheld |
DMM Specifications
| Parameter | Value |
|---|---|
| DC Voltage Accuracy | ±(0.5% + 5 counts) |
| AC Voltage Accuracy | ±(2.0% + 10 counts) (50 Hz to 10 kHz) |
| Resistance Accuracy | ±(0.5% + 2 counts) (4 kΩ to 4 MΩ) |
| DMM Input Resistance | 10 MΩ |
| Continuity Threshold | <50 Ω |
Power System
| Parameter | Value |
|---|---|
| Battery Chemistry | Nickel-Cadmium (NiCd) |
| Battery Recharge Time | 1.5 hours (external charger) / 9 hours (internal) |
Environmental & Safety
| Parameter | Value |
|---|---|
| Operating Altitude | Up to 2,000 m |
| Safety Compliance | UL3111-1, CSA C22.2 No. 1010.1, EN 61010-1 |
Waveform Math
| Parameter | Value |
|---|---|
| FFT Windows | Rectangular, Hanning, Hamming, Blackman-Harris |
| FFT Vertical Scales | Linear RMS, dBV RMS |
| Math Operators | Addition (+), Subtraction (-), Multiplication (×) |
Digital Multimeter (DMM)
| Parameter | Value |
|---|---|
| DMM Display Count | 4000 counts (3-3/4 digits) |
| DMM AC Measurement Type | True RMS |
| DMM Diode Test Range | 0 V to 2 V |
| DMM Ranging | Auto and Manual |
| DMM Analog Bargraph | 30-segment, updates 30 times/sec |
Triggering
| Parameter | Value |
|---|---|
| Trigger Holdoff Range | 250 ns to 12 s |
| Trigger Level Range | ±10 divisions from screen center |
Environmental
| Parameter | Value |
|---|---|
| Shock Resistance | 50 g (half-sine, 11 ms duration) |
Technology
Digital Real-Time Oscilloscope & DMM
Applications
Electronic troubleshooting, industrial maintenance, and field service power/signal analysis