Overview
The TOOLTOP ET75 is a high-accuracy, multi-function process calibrator designed for the most demanding industrial environments. It allows you to troubleshoot and calibrate PLCs, transmitters, valves, and temperature controllers with one device. Unlike basic signal generators, the ET75 features dedicated temperature simulation modes, allowing you to mimic the behavior of sensors like Pt100 or K-Type thermocouples to verify your system’s accuracy.
Key Features
Comprehensive Temperature Support: Measure and simulate Thermocouples (S, R, B, K, E, J, T, N) and RTDs (Pt100, Cu50).
Source & Measure Simultaneously: Features independent circuits to output a signal while measuring the return—perfect for testing 4-20mA loop-powered transmitters.
Precision Ramping & Stepping: Set automated “Auto-Step” or “Ramp” functions to test valve actuators or PLC logic without manual turning.
High Resolution Display: 2.4-inch color TFT screen shows real-time data, battery status, and signal curves.
Large Battery Life: Built-in 3000mAh Lithium battery with Type-C charging—built for a full shift on the factory floor.
Technical Specifications
| Feature | Sourcing (Output) | Measurement (Input) |
| Current (mA) | 0 – 24 mA | 0 – 24 mA |
| Voltage (V) | 0 – 12 V | 0 – 30 V |
| Passive Current | 0 – 24 mA (XMT) | Supported |
| Thermocouples | S, R, B, K, E, J, T, N | S, R, B, K, E, J, T, N |
| RTD | Pt100, Cu50 | Pt100, Cu50 |
| Frequency / PWM | 0 – 9999 Hz | 0 – 9999 Hz |
| Resistance (Omega) | 0 – 400 Omega | 0 – 400 Omega |
Why upgrade from ET72 to ET75?
Temperature Specialists: If your work involves Heat Treatment, Food Processing, or Cold Storage, the ET75’s RTD/Thermocouple functions are essential.
Higher Precision: Finer control over mA and V increments for sensitive laboratory equipment.
Advanced Protection: Enhanced input protection circuitry to prevent damage from accidental high-voltage contact.
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