The Tektronix THS720 is a rugged, handheld 100 MHz digital storage oscilloscope and digital multimeter (DMM) designed for field service and industrial troubleshooting. Featuring IsolatedChannel™ architecture with 600 V RMS CAT II ratings, it integrates laboratory-grade oscilloscope capabilities with a highly reliable 3-3/4 digit digital multimeter in a portable, battery-powered form factor.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | Optically isolated RS-232 serial interface |
| Display | 4.7-inch (120 mm) monochrome backlit LCD, 320 x 240 pixels |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 115/230 V AC adapter (12 V DC output) or internal rechargeable NiCd battery pack |
| Operating Temperature | 0 °C to +50 °C |
| Dimensions (W×H×D) | 177 mm x 217 mm x 51 mm |
| Weight | 1.45 kg |
Vertical System
| Parameter | Value |
|---|---|
| Analog Bandwidth | 100 MHz |
| Calculated Rise Time | 3.5 ns |
| Number of Input Channels | 2 isolated channels |
| Input Coupling | AC, DC, GND |
| Input Impedance | 1 MΩ ± 1% in parallel with 25 pF ± 5 pF |
| Input Sensitivity Range | 5 mV/div to 50 V/div |
| Vertical Resolution | 8-bit |
| Maximum Input Voltage (BNC to Common) | 300 V RMS CAT III |
| DC Gain Accuracy | ±2% |
| Offset Range | ±5 divisions |
Horizontal System
| Parameter | Value |
|---|---|
| Timebase Range | 5 ns/div to 50 s/div |
| Timebase Accuracy | ±100 ppm |
Acquisition System
| Parameter | Value |
|---|---|
| Maximum Real-Time Sample Rate | 500 MS/s per channel |
| Maximum Record Length | 2500 points per channel |
| Acquisition Modes | Sample, Envelope, Average, Peak Detect (8 ns glitch capture) |
Trigger System
| Parameter | Value |
|---|---|
| Trigger Sources | Channel 1, Channel 2, External (via DMM input) |
| Trigger Modes | Auto, Normal, Single |
| Trigger Types | Edge, Pulse (width, glitch), Video (NTSC, PAL, SECAM) |
| Trigger Coupling | DC, AC, HF Reject, LF Reject, Noise Reject |
Waveform Measurements and Analysis
| Parameter | Value |
|---|---|
| Automatic Measurements | Period, Frequency, +Width, -Width, Rise Time, Fall Time, Max, Min, Peak-to-Peak, Amplitude, High, Low, Mean, Cycle Mean, RMS, Cycle RMS |
| Waveform Math Operators | Add, Subtract, Multiply |
| Waveform Storage | 10 reference waveforms |
| Setup Storage | 10 user-defined setups |
Digital Multimeter (DMM)
| Parameter | Value |
|---|---|
| DMM Resolution | 3-3/4 digits (4000 counts) |
| DMM Functions | DC Voltage, AC Voltage, Resistance, Continuity, Diode Test |
| DMM DC Voltage Range | 400.0 mV to 800.0 V |
| DMM AC Voltage Range | 400.0 mV to 640.0 V |
| DMM Resistance Range | 400.0 Ω to 40.00 MΩ |
| DMM Continuity Threshold | Audible alert at less than 50 Ω |
Power Specifications
| Parameter | Value |
|---|---|
| Battery Operating Time | Up to 2 hours |
Environmental and Compliance
| Parameter | Value |
|---|---|
| Storage Temperature | -20 °C to +60 °C |
| Relative Humidity | 90% RH (0 °C to 30 °C), 75% RH (30 °C to 40 °C), 45% RH (40 °C to 50 °C) |
| Operating Altitude | Up to 3,000 meters (9,842 feet) |
Isolation & Safety
| Parameter | Value |
|---|---|
| Max Float Voltage (BNC Common to Earth Ground) | 600 V RMS CAT II, 300 V RMS CAT III |
| Max Channel-to-Channel Float Voltage | 250 V RMS CAT II |
DMM Performance
| Parameter | Value |
|---|---|
| DMM DC Voltage Accuracy | ±(0.5% of reading + 5 counts) |
| DMM AC Voltage Accuracy | ±(2% of reading + 5 counts) |
| DMM Resistance Accuracy | ±(0.5% of reading + 5 counts) |
| DMM Diode Test Current | 0.5 mA typical |
| DMM Input Impedance | 10 MΩ |
Triggering
| Parameter | Value |
|---|---|
| Video Triggering Standards | NTSC, PAL, SECAM |
| Pulse Width Trigger Range | 50 ns to 2.5 s |
Safety & Environmental
| Parameter | Value |
|---|---|
| Safety Compliance | UL3111-1, CSA C22.2 No. 1010.1, EN61010-1 |
Power & Battery
| Parameter | Value |
|---|---|
| Battery Charge Time | 9 hours (internal) / 1.5 hours (external fast charger) |
Measurements
| Parameter | Value |
|---|---|
| Cursor Measurements | Delta Volts, Delta Time, 1/Delta Time (Frequency) |
DMM
| Parameter | Value |
|---|---|
| DMM Data Logger | Saves up to 100 readings with graphical roll display (from 4 minutes to 24 hours) |
| DMM Maximum Input Voltage | 1000 VDC, 750 VAC RMS (CAT II); 600 VAC RMS (CAT III) |
| DMM Diode Test Open-Circuit Voltage | 3.0 V |
Acquisition
| Parameter | Value |
|---|---|
| Roll Mode Range | Available at sweep speeds from 50 ms/div to 50 s/div |
| Waveform Interpolation | Sin(x)/x |
Power
| Parameter | Value |
|---|---|
| Battery Chemistry | Nickel-Cadmium (NiCd) |
Technology
Digital Real-Time (DRT) Handheld Oscilloscope
Applications
Field service, industrial maintenance, power electronics troubleshooting, and general electronic testing