18 Best 4-20Ma Signal Generator of 2022 – Romance University

After hours researching and comparing all models on the market, Romance University finds out Top 18 Best 4-20Ma Signal Generator of 2022. Check our ranking below.

2,465 Reviews Scanned

Rank No. #1

Riiai Upgraded 4-20mA 0-24V Current Signal Generator, Current Voltage Adjustable Analog Simulator, Real-time Curve, Multiple Signal Types, 3000ma-h USB Rechargeable, Preset Value, for PLC Testing

Precise Conversion of Various Signal Types --- The 2022 version signal generator is upgraded to support switching various signal modes available under different signal types: mA Current Signal(0 to 24 mA, precision 0.01mA), V Voltage Signal(0 to 24V, 0.01V), XMT Passive Current Signal(0 to 24mA,precision 0.01mA), Hz Pulse Signal(Frequency Output 0 to 9999Hz, precision 5 digits). The input signal can be converted into an output signal among different physical quantities.
2.4 Inch TFT Colorful Screen --- Designed with an adjustable pressing button backlight and a high-definition resolution 240*320 TFT color LCD screen making it easier for users to operate at night and during the day.
Built-in 3000 mA-h USB Rechargeble --- With 3000mA-h 3.7V built-in USB rechargeable battery embedded inside (charged via micro 5V USB port), it can be fully charged within 4-6 hours. Its working time can reach up to 26 hours which provides you with a long working time.
Multiple Interfaces to Choose --- Main interface programmable output. Input waveform interface: switchable input current graph display, input voltage graph display. VCA conversion interface: switchable voltage to active current,voltage to passive current, current to voltage. Automatic interface: automatic mode can be set for single ascent, single drop, and loop. PWM interface: Output PWM signal,voltage,frequency,duty cycle can be set.
Programmable Output --- The 4 20ma signal generator has the output function of auto and continuously changes the size according to the set parameters and chooses three modes: monotonous rise, monotonous fall, and cycle.

Rank No. #2

DROK 4-20mA Generator, Adjustable Signal Generator, DC 0-10V 0 4-20mA Current Voltage Analog Simulator for Value Adjusting PLC Panel LED Testing

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.

Rank No. #3

Adjustable 4-20mA Signal Generator Current Voltage Analog Simulator 0-10V/0-22mA Signal Sources for Value Adjusting PLC Controller Panel LED Testing Calibration

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.

Rank No. #4

Current Loop, Two-Wire High Accuracy 4-20mA Current Loop Signal Generator LCD Transducer Test Signal Current

Current to Voltage Conversion: Current loop signal generator can accurately convert a 4-20mA current signal into a corresponding voltage, allowing for precise control of current in the circuit. Terminals are not positive or negative.
High Accuracy: With an impressive accuracy of up to 0.01, this current loop signal generator ensures reliable and precise measurements for your needs.
Convenient Display: Liquid crystal display (LCD) of current loop signal generator provides a clear and easy-to-read interface, allowing you to quickly and easily access important information.
Flexible and Adjustable Settings: Equipped with a rotary encoder, you have the ability to easily adjust and fine-tune various settings, enhancing usability and customization. Output range can be set; 4-20mA (device control) / -21mA (signal debugging).
Multiple Outputs and Storage Options: With the ability to set 2-9 programmable outputs, and the feature of automatic and manual storage of output settings, current loop signal generator offers versatility and convenience for your applications. Linear output can be calibrated; The actual output can be consistent with the display of customer device.

Rank No. #5

TestHelper TH-71B Handheld Signal Generator Source Simulator Meter,DC Voltage Current Thermocouple K/E/J/T/B/R/S/N,24V Loop,V / mA Step Output

Voltage and current and thermocouple measurement and source output
Basic accuracy 0.2% for measure and source output
24V loop supply
Manual step output for V and mA and auto waveform output.
The display screen is backlit and the meter has a flashlight on the back

Rank No. #6

LB78 Signal Generator, 4-20mA /0-10V/mV Current Voltage Signal Generator Signal Source Calibrator Signal Tester (LB78)

Self-protection signal generator:Built-in one-time quick-break fuse can avoid instrument damages caused by misinserting electric supply with 110V or 220V
High quality calibrator: Some key chips such as DA, reference voltage and operational amplifier adopts stable chips with high temperature and high temperature, to improve temperature stability of instrument and long-term aging performance index
Signal Tester:Rational key layout, all functions have independent corresponding keys, which are easily to be operated
Fast speed and zero delay for key response
Built-in Battery ,Low power dissipation and long stand-by time

Rank No. #7

PLC Tools SIM-ALP2 Analog Simulator and Generator +/- 0-10VDC and 4-20mA

Simulates 4-20ma and 0-10vdc signals
Generates a current source, 2 wire current loop, and voltage source
Full range of 0-22ma and -10Vdc to +10Vdc
0.1 unit increment
2Aa batteries not included

Rank No. #8

Seesii 0-22mA/4-20mA DC 0-10V Signal Generator, Mini Adjuatable Function Generator with LCD Display, Current Voltage Analog Generator

✅【2021 UPGRADED SIGNAL GENERATOR】: Seesii handheld digital signal generator with high definition LCD screen, made of high quality materiels, lightweight and portable,built-in rechargeable battery, durable enough for long term use.Suitable for PLC Panel/LED Testing, home appliance inspection, research and education, product development, utility testing and many other applications.
✅【2-IN-1 MULTIFUNCTIONAL DESIGN】: This is a fully functional, practical and cost-effective professional voltage and current function generator. It can be generate 0/4-20mA current and -10V~+10V voltage through one module.Rotating a precise encoder knob to adjust output voltage and current, it also can be calibrated. Meeting your different measurement needs.
✅【BUILT-IN 1000m-H RECHARGEABLE BATTERY】:Seesii function generators built in 3.7V 1000m--h rechargeble battery,with micro-usb charging cable,can be fully charged within 4 hours,no need to charge frequently.Equipped with a power indicator light, different colors of light indicate different power levels,so you don’t have to worry about power issues anymore.What’s more,the mobile phone charger or external 24V can make the signal generator to work,very easy to charge it.
✅【EASY TO OPERATE & MINI DESIGN】: The 4-20mA signal generator with 4 different types of colorful digit display,, you can press "Mode" button to switch the display mode between voltage and current,very easy to read and record data.The compact and portable size design is also very easy to carry.It is a very ideal digital signal generator tool for you.
✅【WIDE APPLICATION & WARRANTY】:This is a full-featured, highly practical, cost-effective handheld function generators developed for people in the maintenance and R&D industries,it can be used for PLC and panel debugging, device testing, frequency converter and ect.The best service to our customers is our aim,if you have any questions about our item, please feel free to contact our customer service,we will do our best to solve the problem for you.

Rank No. #9

RuoShui 71B Signal - Generator Compact Thermocouple Simulator with 4-20mA Precision Output - Ideal for PLC Debugging and Process Instrumentation

Versatile Signal Generation: This signal generator is your go-to solution for precise debugging of industrial field PLCs, process instrumentation, and electric valves, ensuring optimal performance in diverse applications.
User-Friendly Interface: Featuring a friendly button character operation interface, our electronic watch signal generator is easy to use, simplifying complex tasks for both beginners and seasoned professionals.
Portable and Efficient: Don't let its small size fool you. This signal generator is compact and lightweight, making it effortlessly portable while maintaining a long standby time and high precision for uninterrupted industrial operations.
Thermocouple Simulation: Tailor your testing with the advanced thermocouple simulator, allowing you to mimic various temperature conditions accurately for thorough system assessments and debugging.
Precision 4-20mA Output: Ensure your systems operate flawlessly with the 4-20mA signal generator, delivering precision output crucial for maintaining optimal efficiency in industrial processes.

Rank No. #10

Upgraded SG-004A Signal Generator, Seesii 4-20mA 0-24V Adjustable Analog Current Voltage Generator Simulator with Real-time Curve,Historical Record, Resistance Pressure Generator Calibrator

【Conversion Of Engineering Quantity Display】:Signals are displayed as physical or engineering (ie pure quantity) values,The physical quantity corresponds linearly with the engineering quantity.For example: the current signal of 4~20mA corresponds to 0~100, that is, 4mA corresponds to 0, 12mA corresponds to 50, and 20mA corresponds to 100. This range can be modified by parameters.
【Signal Conversion】: The input signal is converted into an output signal, which can be converted between different physical quantities; for example: the input frequency signal is converted into a current signal, and the input range is 0-1000hz into 4-20mA.
【Programming Output】: It has the output function of automatically and continuously changing the size according to the setting parameters, and can choose three modes: monotonous rise, monotonous fall and cycle.
【 Real-time Curve 】: The change trend of input and output signals can be displayed by drawing a curve, and the sampling time of the curve can be set.It can also automatically adjust the display curve within the range of the maximum and minimum values within a certain period of time.
【History Record & Firmware Upgrade】: Record and view a certain amount of historical data.Support USB emulated U disk for firmware upgrade.

Rank No. #11

Samfox 4-20mA Signal Generator, 3-21mA Adjustable High Precision DC Current Analog Simulator Two-Wire Transducer Test Signal Generator DIY Kit JS-420ISG-V2

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.

Rank No. #12

Tykiormo 4-20mA Signal Generator,DC 0-10V/0-22mA Current Voltage Frequency Generator,2-in-1 Analog Generator Built-in 1000mAh Rechargeable Battery,Adjustable 4-Digit LCD Display,for PLC/Panel Testing

【2-in-1 Voltage and Current Generator.】Signal Generator Voltage output: -10V~+10V, accuracy 0.01V, easy to debug forward and reverse; Current output: 0-22mA, accuracy 0.01mA, error 5% can be calibrated.
【Built-in 1000mAh Rechargeable Battery.】Function Generators Current Voltage Analog Simulator Built-in 3.7V 1000mAh lithium battery, easy to use, and has a power indicator.
【Multifunctional Frequency Generator】 Upgrade the multifunctional mini handheld digital Signal Generator. Using high-grade aluminum alloy knob, ultra-thin frosted non-slip shell, light and portable, it can be used for PLC and panel debugging, continuous speed regulation of servo motor forward and reverse, equipment testing, frequency converter, etc.
【WIDE APPLICATION】:Analog Generator is a full-featured, highly practical, cost-effective handheld Function Generators developed for people in the maintenance and R&D industries,it can be used for PLC and panel debugging, device testing, frequency converter and ect.
【SAFE TO OPERATE 】：4-20mA Signal Generator One-key switching of voltage and current, independent wiring, simultaneous output, output with short circuit protection, power supply with reverse connection protection,Store the power-on output value when power off. After use, press the knob to save, and the next time the machine is turned on, it will still be the value stored manually last time. It is easy to use, not afraid of confusion, and easy to debug.

Rank No. #13

TOWRITE Portable generators SG-004A 4-20mA Multifunction Signal Generator 4-20mA PWM Analogs Output Source Process Calibrator Programmable Adjustable Current Voltage Simulator

1.⭐【Versatile Signal Modes】--- The Signal Generator 004 pocket function generator offers multiple signal modes including mA current signal, V voltage signal, XMT passive current signal, Hz pulse signal, resistance, and millivolt. You can easily switch between modes to test different signals (resolution up to 5 digits);
2.⭐【 Function Generators Real-time Curve & Historical Record】--- The signal generator 004 model 4 20mA signal generator supports presetting 4 groups of commonly used signal values for easy adjustment. It also shows the real-time curve of the input/output signals and supports recording a certain amount of historical data for easy viewing;
3.⭐【Multiple Interface Terminals】--- With 4 inner diameter and 4mm wiring ports represented by different color rings, the 0 to 24V DC signal generator is versatile for testing different signal types. The Blue port can also be switched to a 24V independent test power supply with the correct color cables and ports;
4.⭐【Long Battery Life & Clear Display】--- The 3000mA-h USB rechargeable battery provides long working hours (up to 26 hours) with a charging time of 4-6 hours. The clear 2.4-inch TFT screen display allows for easy monitoring and value changes, with adjustable backlight settings for different working environments;
5.⭐【Programmable Output & Wide Application】--- The Signal Generator 004 signal generator allows for auto and continuous changes in output size according to set parameters, with three modes available. It is ideal for PLC and panel debugging, device testing, frequency converter, flow valve, servo motor speed regulation, light dimmer, and more.

Rank No. #14

ANKONG SG-004A Multifunctional Signal Generator 4-20mA 2.4" TFT Digital Analog Adjustable Current Voltage Thermocouple Resistance Process Calibrator Historical Record with Real-time Curve

The signal generator is suitable for a variety of working conditions, and can perform PLC system debugging, DSC system debugging simulation, valve positioner adjustment, instrument testing and calibration, and inverter testing.
Real-time curve display, you can display the change trend of input and output signals through the curve, can record up to 100,000 or 15 sets of data, the frequency of input and output is 0-9999HZ, 0.2% high-precision test
High-definition color screen backlight display, 2.4-inch TFT-LCD , with backlight for clear reading, the color of the button backlight will be different in different modes
Only the size of a palm, light and portable, you can put it in your backpack at any time ,long-term standby power, built-in 3000mah lithium battery, can standby for a long time for 24 hours, the top right of the screen can display the remaining power, suitable for Type C The charging port is convenient to carry out.
The fuselage is made of ABS hard shell, and the product is surrounded by an integrated non-slip silicone, so the product is not easy to be broken.

Rank No. #15

UCTRONICS DC ±10V 0/4-20mA Current Voltage Signal Generator, USB Power Supply Interface Analog Simulator for PLC and Panel Debugging, Device Testing, Frequency Converter, Flow Valve

Power Supply: external connection micro USB-5V or external power DC 15-30V, each way makes the generator work, both ways also can be connected at the same time. Battery is not included.
Voltage Output: DC ±10V, precision is 0.01V, rotate the encoder knob to adjust output voltage, can be calibrated.
Current Output: 0-22mA, precision is 0.01mA, rotate the encoder knob to adjust output current, can be calibrated.
Multiple display: just push the small botton to switch the display mode between voltage and current, you can also follow the instructions to switch 0-100 percent or 0-50HZ display.
Product Dimension: 3.94” x 2.36” x 0.79” (100mm x 60mm x 20mm), portable and convenient.

Rank No. #16

Delaman Signal Generator,Frequency Generator Current Loop High Accuracy 4-20mA Current Loop Signal Generator Two-Wire Transducer Test

🔈【Current to Voltage Conversion】: Current loop signal generator can accurately convert a 4-20mA current signal into a corresponding voltage, allowing for precise control of current in the circuit. Terminals are not positive or negative.
🔈【High Accuracy】: With an impressive accuracy of up to 0.01, this current loop signal generator ensures reliable and precise measurements for your needs.
🔈【Convenient Display】: Liquid crystal display (LCD) of current loop signal generator provides a clear and easy-to-read interface, allowing you to quickly and easily access important information.
🔈【Flexible and Adjustable Settings】: Equipped with a rotary encoder, you have the ability to easily adjust and fine-tune various settings, enhancing usability and customization. Output range can be set; 4-20mA (device control) / -21mA (signal debugging).
🔈【Multiple Outputs and Storage Options】: With the ability to set 2-9 programmable outputs, and the feature of automatic and manual storage of output settings, current loop signal generator offers versatility and convenience for your applications. Linear output can be calibrated; The actual output can be consistent with the display of customer device.

Rank No. #17

Signal Generator 4-20ma, Effective and Practical High Accuracy 4-20ma Current Loop Signal Generator

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

Rank No. #18

4-20mA DC12/24V Signal Generator Module,Adjustable Current Signal Generator,Knob Operation,Response Fast,No Delay,with Polarity,for Signal Source,Output Meter Test,Analog

ADVANTAGE: Knob operation, adjust output response fast, no delay;Easy to use and convenient to connect wire with good performance
POLARITY : The power port has polarity and will not damage components when the power is reversed.
OPERATE： The test output is normal, you can use a multimeter to short-circuit the "4-20mA output" terminal
SUITABLE: Can be used for signal source, valve regulation, output meter test, LED test, analog transmitter.
PARAMETER: Power supply voltage: DC 12V or 24V (tolerance ±25%), total power <1W; output load impedance range: 0-350 ohms (DC12V); 0-800 ohms (DC 24V)

How Do You Buy The Best 4-20Ma Signal Generator?

Do you get stressed out thinking about shopping for a great 4-20Ma Signal Generator? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching 4-20Ma Signal Generator, which is why we have assembled a comprehensive list of the greatest 4-20Ma Signal Generator available in the current market. We’ve also come up with a list of questions that you probably have yourself.

Romance University has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 4-20Ma Signal Generator that you consider buying. Your questions might include the following:

Is it worth buying an 4-20Ma Signal Generator?
What benefits are there with buying an 4-20Ma Signal Generator?
What factors deserve consideration when shopping for an effective 4-20Ma Signal Generator?
Why is it crucial to invest in any 4-20Ma Signal Generator, much less the best one?
Which 4-20Ma Signal Generator are good in the current market?
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We’re convinced that you likely have far more questions than just these regarding 4-20Ma Signal Generator, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 4-20Ma Signal Generator, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 4-20Ma Signal Generator. Make sure that you are only using trustworthy and credible websites and sources.

Romance University provides an 4-20Ma Signal Generator buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 4-20Ma Signal Generator currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of 4-20Ma Signal Generator has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an 4-20Ma Signal Generator?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your 4-20Ma Signal Generator.
Customer Ratings: Number ratings grade 4-20Ma Signal Generator objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4-20Ma Signal Generator.
Product Quality: You don’t always get what you pay for with an 4-20Ma Signal Generator, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an 4-20Ma Signal Generator is should be an indication of how long it will work out for you.

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18 Best 4-20Ma Signal Generator of 2022 – Romance University

How Do You Buy The Best 4-20Ma Signal Generator?

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