---
product_id: 453199310
title: "Adjustable 4-20mA Signal Generator Current Voltage Analog Simulator"
brand: "tkxec"
price: "R$1080"
currency: BRL
in_stock: true
reviews_count: 6
category: "Tkxec"
url: https://www.desertcart.com.br/products/453199310-adjustable-4-20ma-signal-generator-current-voltage-analog-simulator
store_origin: BR
region: Brazil
---

# 0-10V / 0-22mA precision output Built-in rechargeable battery Dual coarse & fine adjustment modes Adjustable 4-20mA Signal Generator Current Voltage Analog Simulator

**Brand:** tkxec
**Price:** R$1080
**Availability:** ✅ In Stock

## Summary

> 🎯 Dial in perfection with precision power at your fingertips!

## Quick Answers

- **What is this?** Adjustable 4-20mA Signal Generator Current Voltage Analog Simulator by tkxec
- **How much does it cost?** R$1080 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/453199310-adjustable-4-20ma-signal-generator-current-voltage-analog-simulator)

## Best For

- tkxec enthusiasts

## Why This Product

- Trusted tkxec brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Memory Retention:** Stores output values on power off—never lose your settings mid-project.
- • **Ultimate Portability:** Rechargeable battery + USB power means signal generation anywhere, anytime.
- • **Robust Safety Features:** Built-in short circuit, reverse polarity, and charging protections keep your gear safe.
- • **Pinpoint Precision Control:** Adjust voltage/current with 0.01V/0.01mA accuracy for flawless testing.
- • **Customizable Adjustment Modes:** Switch between coarse, fine, and quick adjustments to match your workflow.

## Overview

The TKXEC Adjustable 4-20mA Signal Generator is a compact, battery-powered analog simulator delivering ultra-precise voltage (0-10V) and current (0-22mA) outputs. Featuring dual-mode adjustments, built-in rechargeable battery, and comprehensive protection mechanisms, it’s engineered for professionals demanding reliable, portable signal generation for PLCs, LED testing, and industrial electronics.

## Description

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Review: Compact and good quality product - Very good product with built in battery which makes it very portable. I can move it to where I need to generate a 4-20mA signal easily. And also used for give the 0-10 V
Review: Nice Little "Test" instrument - I haven't spent time to look at its stability or noise, but this little gadget does a lot for the price. I am primarily using it as a DC voltage source over a +/-10V range for testing/debugging electronics. I'm not using the 4-20mA function (presently). It has 10mV of resolution as a voltage source. But it comes with an internal rechargeable battery....Lithium ion battery ( I think) a USB port , plus USB cable, to charge the device. The knob will twiddle a "selectable" 100mV digit or 10mV digit.... fairly easy to configure, but not intuitive. You need to reference instructions. You can also configure more behind the scene settings with the knob (voltage range for example). Even less intuitive....it requires a password. Don't toss the instructions. I think it would have been more slick to have two push buttons left/right direction ... left/ right to select a digit...which gets "highlighted"...either by flashing the digit or extra brightness on the selected digit when in edit mode. Then the knob could twiddle the selected digit up and down. What is the price of two extra left right push buttons. :-) I measured its out-of-the-box accuracy and it was pretty close.....off by ~200uV of "offset" in the negative direction...its linearity was pretty good....+/-1V was off by less than 1mV, +/-10V was off by less than 10mV....so mine had sub +/-0.1% kind of accuracy with a 200uV floor. If I see any quirks, I'll update my review, but don't think I would expect more for the price. It delivers. I have promptly put in an order for a second device, just to have one around while the other may be charging.

## Features

- High Precision Output: 0-10V/0-22mA, precision is 0.01V/0.01mA, rotate the encoder knob to adjust output voltage, can be calibrated.
- Power Supply: Built-in battery ,micro USB-5V or external power DC 15-30V
- The current output is 2 3 4 wires. Passive and active are fully compatible
- Coarse adjustment and fine adjustment dual mode, the number of adjustment circles can be set.and Custom quick adjustment mode.
- Store output value when power off.Output short circuit protection, reverse connection protection, charging protection.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0991ZSBHJ |
| Best Sellers Rank | #77,545 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #45 in Function Generators |
| Brand | TKXEC |
| Brand Name | TKXEC |
| Colour | Black |
| Compatible Devices | PLC controllers, LED testing devices |
| Country of Origin | India |
| Customer Reviews | 4.6 out of 5 stars 158 Reviews |
| Included Components | 1x Signal Generator |
| Item Weight | 5.9 Ounces |
| Manufacturer | shenzhenshixinruidianzikejiyouxiangongsi |
| Measurement Type | Voltage Tester |
| Min. Operating Voltage | 0.01 Volts |
| Minimum Operating Voltage | 0.01 Volts |
| Model Number | TKXEC-A |
| Number of Items | 1 |
| Part Number | 780669872858 |
| Power Source | Battery Powered |
| Power Source Type | Battery Powered |
| Specification Met | CE |
| Style | Digital |
| Style Name | Digital |
| UPC | 780669872858 |

## Product Details

- **Brand:** TKXEC
- **Colour:** Black
- **Item Weight:** 5.9 Ounces
- **Power Source:** Battery Powered
- **Style:** Digital

## Images

![Adjustable 4-20mA Signal Generator Current Voltage Analog Simulator - Image 1](https://m.media-amazon.com/images/I/81Z6KcUkp0L.jpg)
![Adjustable 4-20mA Signal Generator Current Voltage Analog Simulator - Image 2](https://m.media-amazon.com/images/I/71oTFGiJcgL.jpg)
![Adjustable 4-20mA Signal Generator Current Voltage Analog Simulator - Image 3](https://m.media-amazon.com/images/I/71sXogaUxML.jpg)
![Adjustable 4-20mA Signal Generator Current Voltage Analog Simulator - Image 4](https://m.media-amazon.com/images/I/81sLrQlekiL.jpg)
![Adjustable 4-20mA Signal Generator Current Voltage Analog Simulator - Image 5](https://m.media-amazon.com/images/I/81ef6vLf72L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Compact and good quality product
*by S***H on 13 April 2024*

Very good product with built in battery which makes it very portable. I can move it to where I need to generate a 4-20mA signal easily. And also used for give the 0-10 V

### ⭐⭐⭐⭐⭐ Nice Little "Test" instrument
*by H***H on 12 January 2023*

I haven't spent time to look at its stability or noise, but this little gadget does a lot for the price. I am primarily using it as a DC voltage source over a +/-10V range for testing/debugging electronics. I'm not using the 4-20mA function (presently). It has 10mV of resolution as a voltage source. But it comes with an internal rechargeable battery....Lithium ion battery ( I think) a USB port , plus USB cable, to charge the device. The knob will twiddle a "selectable" 100mV digit or 10mV digit.... fairly easy to configure, but not intuitive. You need to reference instructions. You can also configure more behind the scene settings with the knob (voltage range for example). Even less intuitive....it requires a password. Don't toss the instructions. I think it would have been more slick to have two push buttons left/right direction ... left/ right to select a digit...which gets "highlighted"...either by flashing the digit or extra brightness on the selected digit when in edit mode. Then the knob could twiddle the selected digit up and down. What is the price of two extra left right push buttons. :-) I measured its out-of-the-box accuracy and it was pretty close.....off by ~200uV of "offset" in the negative direction...its linearity was pretty good....+/-1V was off by less than 1mV, +/-10V was off by less than 10mV....so mine had sub +/-0.1% kind of accuracy with a 200uV floor. If I see any quirks, I'll update my review, but don't think I would expect more for the price. It delivers. I have promptly put in an order for a second device, just to have one around while the other may be charging.

### ⭐⭐⭐⭐⭐ Good Value and Simple to Use
*by T***S on 9 October 2025*

SImple to use. Battery was charged when I received so I was able to play with it right away. Also has capability to run off 24VDC power or USB adapter (comes w/cord but you'll need the USB power supply/phone charger) Good value; I'm not looking for a calibration quality device so it fit my needs. I will be using it as a 4-20mA source. It outputs at 24VDC in the mA generator mode. It was accurate enough for what I will be using it, mainly troubleshooting or modeling. I don't need to be highly precise. I noticed the signal bounced somewhat, but it was in the magnitude of .01's. This difference just as well could be from the precision of the controller/PLC that I was connected to. Comes with a USB power cord and little tweaker screwdriver. Nice to have when you are working in the field.

## Frequently Bought Together

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-09-04*