Overview
The TOOLTOP ET72 is a high-precision, multi-function signal generator designed for field engineers and lab technicians. It bridges the gap between DIY tools and expensive industrial calibrators. Whether you need to simulate a temperature sensor for a PLC input or debug a motor controller (VFD), the ET72 provides a stable, adjustable signal with a clear, real-time color waveform display.
Key Features
Dual Functionality: Capable of both Outputting (Simulating) and Inputting (Measuring) signals simultaneously.
Industrial Standard Support: Full support for 0-24mA current loops (active/passive) and 0-24V voltage signals.
PWM & Frequency: Perfect for testing stepper motor drivers and cooling fans with adjustable duty cycles and frequencies.
Visual Real-Time Curve: High-definition color screen displays signal trends, making it easy to spot fluctuations or noise.
Modern Power: Built-in 3000mAh lithium battery with USB Type-C charging for long days in the field.
Technical Specifications
| Feature | Range / Precision |
| Voltage Output/Input | 0 – 24V (pm 0.01V precision) |
| Current Output/Input | 0 – 24mA (pm 0.01mA precision) |
| PWM (Frequency) | 0 – 9999Hz |
| Duty Cycle | 0% – 100% |
| Display | 2.4-inch TFT Color LCD |
| Charging Port | USB Type-C (5V) |
| Protection | Output short-circuit and over-current protection |
Why Choose ET72 for Industrial Work?
PLC Debugging: Simulate a 4-20mA pressure transmitter to test your PLC logic without needing the actual sensor.
VFD Tuning: Send a 0-10V signal to a Variable Frequency Drive to test motor speeds.
Portable & Rugged: Compact enough to fit in a pocket, with a durable casing meant for factory environments.
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