---
product_id: 45049867
title: "4-20mA Generator, Adjustable Signal Generator, DC 0-10V 0 4-20mA Current Voltage Analog Simulator for Value Adjusting PLC Panel LED Testing"
brand: "drok"
price: "RM251"
currency: MYR
in_stock: true
reviews_count: 13
category: "Drok"
url: https://www.desertcart.com.my/products/45049867-4-20ma-generator-adjustable-signal-generator-dc-0-10v-0
store_origin: MY
region: Malaysia
---

# 0-10V voltage output Compact 4" x 2" x 2" size Adjustable 4-20mA current signal 4-20mA Generator, Adjustable Signal Generator, DC 0-10V 0 4-20mA Current Voltage Analog Simulator for Value Adjusting PLC Panel LED Testing

**Brand:** drok
**Price:** RM251
**Availability:** ✅ In Stock

## Summary

> ⚙️ Master your PLC testing game with precision and portability!

## Quick Answers

- **What is this?** 4-20mA Generator, Adjustable Signal Generator, DC 0-10V 0 4-20mA Current Voltage Analog Simulator for Value Adjusting PLC Panel LED Testing by drok
- **How much does it cost?** RM251 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/45049867-4-20ma-generator-adjustable-signal-generator-dc-0-10v-0)

## Best For

- drok enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Accuracy:** Validated by professionals using top-tier tools like the Fluke 771 for reliable diagnostics.
- • **Dual Signal Powerhouse:** Seamlessly switch between voltage and current outputs with one sleek module.
- • **Versatile Power Options:** Runs on 24V DC supply or two 9V batteries for ultimate field flexibility.
- • **Portable Testing Essential:** Lightweight and compact design fits perfectly in your toolkit or pocket.
- • **Precision at Your Fingertips:** Multi-cycle potentiometer ensures ultra-fine tuning for exact analog simulation.

## Overview

The DROK 4-20mA Generator is a compact, dual-function analog signal simulator designed for precise voltage (0-10V) and current (4-20mA) output adjustments. Ideal for PLC panel testing and LED troubleshooting, it features a multi-cycle potentiometer for fine control, supports both DC power supply and battery operation, and is validated for accuracy by industry professionals.

## Description

DROK 4-20mA Generator, Adjustable Signal Generator, DC 0-10V 0 4-20mA Current Voltage Analog Simulator for Value Adjusting PLC Panel LED Testing: desertcart.com: Industrial & Scientific

Review: Perfect for testing and troubleshooting - Works as advertised, great way to check plc inputs, verify with a fluke 771, the output is accurate.
Review: Nice tool for the price - This is a nice tool, and inexpensive. It can be powered by a 24VDC power supply, or I used 2 9V batteries in series. There is one terminal for V-Out, one for I-Out, and one for A- Com. If you do not know what any of these terms mean, this is not the device for you. There are capabilities to edit patameter set for both current and voltage. Another reviewer posted snip of settings and procedure. I used these to get I-Out from a 4-20mA down to a 0-20mA output. Relatively small device, great for portability. Approximately 4" x 2" x 2" I will probably locate a hard case and line it with foam pad to store device.

## Features

- AMP & VOLT DUAL SIGNAL GENERATOR: Multifunctional DROK signal generator kit is able to generate ampere & voltage by 1 module, which generate 0/4 - 20mA current signal and 0-10V voltage signal just by rotating a multi-cycle precise potentiometer, simple and handy.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B071NLGP6L |
| Best Sellers Rank | #42,468 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #12 in Function Generators |
| Date First Available | May 1, 2017 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 4.6 ounces |
| Item model number | 300482 |
| Manufacturer | DROK |
| Package Dimensions | 5.2 x 3.66 x 2.68 inches |

## Images

![4-20mA Generator, Adjustable Signal Generator, DC 0-10V 0 4-20mA Current Voltage Analog Simulator for Value Adjusting PLC Panel LED Testing - Image 1](https://m.media-amazon.com/images/I/71mN-1PgKJL.jpg)

## Questions & Answers

**Q: how long will it run on 2 9 volt batteries?**
A: That will depend very much on the use you make of it; we have used the same batteries for several weeks now, but the use is intermittent and for testing or commissioning only.

**Q: Can someone please give a detailed explanation of how to use and generate a signal with this device?**
A: This is used to simulate either a 4-20ma or 0-10vDC signal in a test environment, selectable via on board switch. I have found that depending on the input resistance of your load using 9 volt batteries in series may not have enough capacity so I use a small 24vDC power supply to power the generator. Connect your generator power wires & appropriate output wires observing the correct polarity & you should be fine

**Q: I see there is a place on the pc board for an on off switch.  can this be added?**
A: Not sure.  When power is applied to the terminals, the meter comes alive.  Not sure if the printed circuit card pads will turn off the meter, as I do not see any jumper or other means that is completing the circuit.  I am just disconnecting the power to turn the meter off.

**Q: When providing power to this product, what is the input voltage?  does it accept a vdc voltage range?**
A: The input voltage to this device is 24VDC, and have an analog output 0-10Vdc or 0-20mA. Works really good.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect for testing and troubleshooting
*by R***L on January 14, 2026*

Works as advertised, great way to check plc inputs, verify with a fluke 771, the output is accurate.

### ⭐⭐⭐⭐⭐ Nice tool for the price
*by T***D on September 13, 2023*

This is a nice tool, and inexpensive. It can be powered by a 24VDC power supply, or I used 2 9V batteries in series. There is one terminal for V-Out, one for I-Out, and one for A- Com. If you do not know what any of these terms mean, this is not the device for you. There are capabilities to edit patameter set for both current and voltage. Another reviewer posted snip of settings and procedure. I used these to get I-Out from a 4-20mA down to a 0-20mA output. Relatively small device, great for portability. Approximately 4" x 2" x 2" I will probably locate a hard case and line it with foam pad to store device.

### ⭐⭐⭐⭐ The signal was only off a small amount at first. But there as another problem.
*by W***A on July 6, 2019*

I was using this to simulate the signal from a scale. At first it worked OK. Using my SIMPSON 260 I could see the signal was not quite as accurate as I wished but well within tolerance. Within a few days, the signal deteriorated until it was useless. We are a panel and programming shop. So I turned it off and said that's it. Luckily the main job I bought it for was done. But I cannot recommend this product. They are using cheap electronic components that quickly overheat. Probably the lowest of quality components. As the unit operates throughout the day, the signal gets worse. Probably due to heat from the device itself. The meter product is built nicely. After leaving it off for a week, I tried it again and the signal was fine (see my 2 pictures reading the output on a 4-10mA scale). But I will not rely solely on this meter. It is useful as a quick check in the field. Needs a 24vdc power supply to operate it. Do not leave it on if you want it to work right. And be sure you check it.

## Frequently Bought Together

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*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-02-04*