---
product_id: 521922583
title: "4-20mA Signal Generator, 3-21mA Adjustable High Precision DC Current Analog Simulator Two-Wire Transducer Test Signal Generator DIY Kit JS-420ISG-V2"
brand: "samfox"
price: "Bs.1351"
currency: BOB
in_stock: true
url: https://www.desertcart.bo/products/521922583-4-20ma-signal-generator-3-21ma-adjustable-high-precision-dc
store_origin: BO
region: Bolivia
---

# LCD Display Accuracy: 0.01 Rotary Encoder 4-20mA Signal Generator, 3-21mA Adjustable High Precision DC Current Analog Simulator Two-Wire Transducer Test Signal Generator DIY Kit JS-420ISG-V2

**Brand:** samfox
**Price:** Bs.1351
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Testing Game!

## Quick Answers

- **What is this?** 4-20mA Signal Generator, 3-21mA Adjustable High Precision DC Current Analog Simulator Two-Wire Transducer Test Signal Generator DIY Kit JS-420ISG-V2 by samfox
- **How much does it cost?** Bs.1351 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/521922583-4-20ma-signal-generator-3-21ma-adjustable-high-precision-dc)

## Best For

- samfox enthusiasts

## Why This Product

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

## Key Features

- • **Precision Control:** Achieve unparalleled accuracy with a precision of 0.01, ensuring your projects are always on point.
- • **Calibration Made Easy:** Calibrate linear output to match your device's display, ensuring consistency and reliability in your results.
- • **Compact & Lightweight:** Weighing only 44 grams, this portable signal generator is perfect for on-the-go professionals.
- • **User-Friendly Display:** Customize your display mode for effortless value monitoring, making your work smoother and more efficient.
- • **Versatile Output Range:** Easily switch between 4-20mA for device control and -21mA for signal debugging, adapting to your needs.

## Overview

The 4-20mA Signal Generator is a high-precision DC current analog simulator designed for professionals. With an adjustable output range, user-friendly LCD display, and easy calibration, it’s the perfect tool for both device control and signal debugging. Compact and lightweight, it’s ideal for engineers and technicians who demand accuracy and versatility in their work.

## Description

Features: This signal generator can use 4-20mA to generate voltage and control the current in the circuit. Accuracy up to 0.01; Liquid crystal display; Rotary encoder adjustment ; Two connection terminals are non polarity.Output range can be set; 4-20mA (device control) / -21mA (signal debugging)Display mode can be set, it is convenient for you to see the valueLinear output can be calibrated; The actual output can be consistent with the display of customer device.Output storage: automatic storage & manual storage.2-9 programmable outputs: just rotate the encoder to set.Specification: Item Model: JS-420ISG-V2Supply Voltage: 15 - 30VOutput Range: 4 - 20mA / 3 - 21mADisplay: Actual Current / Percentage / HzSampling Resistance: ＜500 ΩOutput Accuracy: 0.5%Display Accuracy: 0.01Color: Shown As PicturesSize: Approx. 8 * 4.2 * 4.5cm / 3.14 * 1.65 * 1.77inchWeight: 44gType: Signal GeneratorPackage List:1 * Signal Generator1 * Manual

## Features

- This signal generator can use 4-20mA to generate voltage and control the current in the circuit.
- Accuracy up to 0.01; Liquid crystal display; Rotary encoder adjustment ; Two connection terminals are non polarity.
- Output range can be set; 4-20mA (device control) / -21mA (signal debugging)
- Display mode can be set, it is convenient for you to see the value
- Linear output can be calibrated; The actual output can be consistent with the display of customer device.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Shipping Weight | 0.06 Kilograms |
| Item Part Number | ZG625-16 |
| Weight | 44 Grams |
| Manufacturer | samfox |
| Country of Origin | USA |

## Images

![4-20mA Signal Generator, 3-21mA Adjustable High Precision DC Current Analog Simulator Two-Wire Transducer Test Signal Generator DIY Kit JS-420ISG-V2 - Image 1](https://m.media-amazon.com/images/I/519a5bvp6gL.jpg)

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-03-19*