Two-Wire 4-20mA Loop Signal Generator With LCD Display, Extended 3-21mA Range, 0.5 Percent Accuracy, 0.01 Display Resolution, Calibrates Transmitters, Sensors, PLCs And Industrial Control Systems, Go-To Tool For Rotary Encoders And Memory Storage

High-Precision 4-20mA Loop Signal Generator with LCD
✔️ Single unit, 3-21mA range, 0.5% accuracy, 0.01 display

This two-wire loop signal generator creates stable current loop signals used to calibrate transmitters, sensors, PLCs, and industrial control systems. It’s a handy tool in maintenance shops and field deployments for quick testing.

✅ Stable 4-20mA output with extended 3-21mA range for older devices
✅ LCD readout displays current (mA), percentage, or Hz for quick checks
✅ Rotary encoder provides smooth, precise output adjustment
✅ Linear output calibration aligns generated signal with device response
✅ Memory for up to 8 programmable outputs (2-9) with auto or manual storage
✅ Polarity-free terminals, 15-30V DC supply, load under 500Ω
✅ Broad compatibility with pressure sensors, temperature transmitters, flow meters and PLCs

💡 What is a current loop signal generator used for in industrial sensor and transmitter calibration? It's handy for on-site and bench tests to ensure accurate loop signals. - Calibrates transmitters and sensors in 4-20mA loops - Tests PLCs and control systems under real load - Stores calibration presets for repeated field checks - Provides stable signal for troubleshooting and verification