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The Koolertron 0/4-20mA DC 0-10V Signal Generator is a compact, dual-function handheld device designed for professional PLC and panel testing. Featuring ultra-precise voltage and current outputs with 0.01 accuracy, a durable aluminum alloy build, and a rechargeable 1000mAh battery, it offers reliable performance with user-friendly controls and safety protections. Ideal for maintenance and R&D environments, it ensures efficient, on-the-spot diagnostics and equipment calibration.










| ASIN | B008ERCVMG |
| Best Sellers Rank | #265,172 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #250 in Function Generators |
| Brand | Koolertron |
| Colour | Black |
| Current Rating | 22 Milliamps |
| Customer Reviews | 4.5 4.5 out of 5 stars (8) |
| Date First Available | 28 June 2022 |
| Engine Type | 4 Stroke |
| Included Components | Charging Cable |
| Item Weight | 181 g |
| Item model number | MG4GH-GGERT08G |
| Manufacturer | Koolertron |
| Material | ABS+Aluminum alloy |
| Model Name | Koolertron Signal Generator |
| Model number | MG4GH-GGERT08G |
| Output Wattage | 4 Watts |
| Package Dimensions | 15.39 x 8.89 x 5.21 cm; 181 g |
| Power Source | Battery Powered |
| Recommended Uses For Product | Maintenance, R&D Industries |
| Running Wattage | 4 Watts |
| Special Feature | Portable |
| Starting Wattage | 4 Watts |
| Total Power Outlets | 2 |
| Voltage | 30 Volts |
| Wattage | 4 Watts |
R**H
This is a great tool for signal testing. Easy to use and works good
S**T
Great little testers for 4 to 20ma.
A**R
I used this to send a 0-10v signal to some DC fans on our fan-assisted heating and cooling products in our design studio. This helps to simulate a BackNet or Building Management System which would utilize a 0-10v signal to control fan speed, as opposed to our other automated control options. We may need to get more of these so we can take them to job sites and demo / troubleshoot our fans. I hardly know anything about electrical, but I figured this out on the first go. Does exactly what we hoped it would.
M**R
Works great for bench or stand alone 4-20mA testing of valve positioners and other DCS inputs
Trustpilot
1 month ago
1 month ago