How do I charge and use the battery?

It has a built-in 3.7V battery. Charge via Type-C cable, DC 24V or USB 5V. The indicator turns red while charging and green when full (about 6+ hours). Working time is 1-5 hours depending on loads.

What are the output and measurement ranges?

· Measurement: Voltage ±50V · Output: Voltage 0-10V; Current 0-24mA (default 4-20mA); PWM frequency 1-150kHz

Does it work with industrial control systems?

Yes. It is designed for debugging industrial PLCs and related control devices.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Riiai 4-20mA Signal Generator: Supports Voltage and Current Output/Measurement, PWM Output, Function Generator with Rechargeable Battery, Calibration Function - for Electronic Maintenance/Testing

Product ID: 806577310

⚡0-24mA current output (±0.05mA)

📊One-click calibration for accuracy

🔋1500mAh rechargeable battery

312.93 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Elevate your electronic testing game—precision, portability, and power in one compact tool!

CORD FREE FREEDOM - Portable, palm-sized design with a robust rechargeable battery keeps you untethered on-site.
ALL IN ONE POWERHOUSE - Combine current, voltage, and PWM outputs in one sleek device—ditch the clutter, boost your workflow.
INSTANT ACCURACY RESET - One-click calibration wipes out drift and environmental errors—stay confident in your data.
SMART SAFE OPERATION - Save your favorite settings and rely on triple protection for worry-free, durable performance.
PRECISION AT YOUR FINGERTIPS - Customize outputs with industry-leading accuracy (±0.05mA & ±0.03V) for flawless testing every time.

The Riiai 4-20mA Signal Generator is a compact, rechargeable multifunction device designed for professional electronic maintenance and testing. It integrates current/voltage output and measurement with PWM functionality, offers high-precision customizable signals, features one-click calibration, and supports multiple power modes. Its portable design and advanced safety protections make it ideal for both fieldwork and lab environments.

Specifications

ASIN	B0G4QRY8RT
Batteries	1 Lithium Ion batteries required. (included)
Best Sellers Rank	#51,040 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #9 in Function Generators
Date First Available	December 2, 2025
Item Weight	7.4 ounces
Manufacturer	Riiai
Product Dimensions	3.9 x 2.4 x 0.8 inches

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