SKU: 31197957459

Klein Tools RT250 GFCI Receptacle Tester Backlit LCD Display Voltage Reading Fault Detection Auto-Hold Feature 3-Wire 120V Outlet Testing Pro Grade

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Description

Klein Tools RT250 GFCI Receptacle Tester Backlit LCD Display Voltage Reading Fault Detection Auto-Hold Feature 3-Wire 120V Outlet Testing Pro GradePrecision Electrical Diagnostics: The Klein Tools RT250 LCD GFCI Receptacle Tester The Klein Tools RT250 is a sophisticated electrical diagnostic tool designed for professional electricians, home inspectors, and DIY enthusiasts who demand more than a simple light sequence tester. Specifically engineered for North American 3 wire 120V electrical outlets, this tester features a large, easy to read backlit LCD that provides real time voltage readings and

Precision Electrical Diagnostics: The Klein Tools RT250 LCD GFCI Receptacle Tester

The Klein Tools RT250 is a sophisticated electrical diagnostic tool designed for professional electricians, home inspectors, and DIY enthusiasts who demand more than a simple light-sequence tester. Specifically engineered for North American 3-wire 120V electrical outlets, this tester features a large, easy-to-read backlit LCD that provides real-time voltage readings and clear, descriptive wiring fault identifications. Beyond standard outlet testing, the RT250 is an essential tool for inspecting GFCI devices, providing a precise digital readout of the exact time required to trip the ground fault circuit interrupter. Whether you are verifying a new installation or troubleshooting an older home, the RT250 ensures your electrical systems are safe, compliant, and functioning correctly.

Engineered for efficiency and jobsite durability, the RT250 includes a patent-pending detection system for complex Open Neutral and Open Ground wiring faults. One of its most standout features is the Auto-Hold functionality, which is incredibly useful when testing outlets in hard-to-reach areas or behind furniture; the display retains the reading so you can view it safely after removing the tester. Integrated bright green and red LEDs complement the digital display for instant visual confirmation, while the rugged ABS housing is drop-protected up to 6.6 feet (2 meters). Compact enough to fit in a pocket but powerful enough for industrial use, this CAT II 135V rated tester is the definitive solution for comprehensive receptacle health checks.

Key Features

  • Backlit LCD Display: Provides clear voltage readouts and identifies wiring faults in plain text for easy interpretation.
  • GFCI Trip Time: Measures and displays the exact time required to trip a GFCI device, ensuring safety compliance.
  • Patent-Pending Fault Detection: Specifically detects and identifies "Open Neutral Open Ground" wiring faults.
  • Auto-Hold Function: Automatically holds the reading on the display, perfect for testing outlets in restricted or dark spaces.
  • Visual LED Indicators: High-visibility green and red LEDs provide immediate pass/fail status of the outlet wiring.
  • Jobsite Tough: Constructed from durable ABS with 6.6-foot (2-meter) drop protection and a CAT II 135V safety rating.

What's Included

  • (1) RT250 GFCI Receptacle Tester with LCD
  • (2) 1.5V AAA Alkaline Batteries
  • (1) User Manual

Specifications

Product Type GFCI Receptacle Tester
Voltage Rating 135V AC
Safety Rating CAT II 135V
Display Backlit LCD
GFCI Testing Yes (Includes Trip Time)
Drop Protection 6.6 ft (2 m)
Batteries 2 x AAA (Included)
Overall Length 4.5 in
Overall Width 2.0 in
Overall Height 1.1 in
Weight 4.8 oz
UPC 092644693212

Pro-Tip: When testing GFCI outlets, a trip time between 25ms and 40ms is typical for a healthy device. If the RT250 shows a trip time significantly higher or fails to trip the device, the GFCI is likely faulty and should be replaced immediately to ensure user safety from electrical shocks.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31197957459

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4.8 ★★★★★
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D
Dan & Stacey
Charlottesville, US
★★★★★ 3
Lightweight divider that works well for video call backgrounds
Size: 1 Panel
This divider works fine for what it is, but it’s definitely on the lightweight side. Setup was very easy and only took a few minutes. The frame is fairly light, so it’s easy to move around or reposition if needed. That said, the tradeoff is that it’s not especially sturdy. It stands fine on its own but I wouldn’t expect it to handle much bumping or movement. I mainly bought it to use as a background for Zoom calls when I’m working from my den, and for that purpose it works great. The fabric panel blocks the room behind me and gives a cleaner background on camera. It’s not huge though. To keep the camera from seeing around it, I have to position it directly behind my chair. If you’re expecting it to divide a large room or create a big privacy barrier, it may feel a bit small. Overall, it does the job and works well for temporary setups or video call backgrounds, but the lightweight frame keeps it from feeling like a premium divider. The product description and photos are accurate.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
C
Customer Review
Whiting, US
★★★★★ 2
Sent Wrong Pieces
Size: 1 Panel, Size: 1 Panel
I really, really wanted to like this - and, in theory, I really, really should have! The instructions were easy to follow and assembly took about five minutes. The assembled screen is lightweight and easy to move. It was a great size and exactly what I was looking for except....I wasn't sent the correct pieces. Instead of receiving 4 elbow pieces and 4 feet, I received 2 elbow pieces and 8 feet - meaning that the bottom part of the fabric just hangs there and, overall, the divider is extremely unstable because there is no horizontal support on the bottom. Thankfully, there are Velcro tabs on the side of the fabric so I can use it if I don't plan to move it even 1 cm, but otherwise, what I received is not usable for what I needed it for. Additionally, the fabric is made of polyester and catches animal hair very easily. Had I received the correct pieces, this would be a good buy for the money. Unfortunately, overall, I'm disappointed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2026
K
Kenneth
Carnegie, US
★★★★★ 5
Works great, keeps the light out of my eyes and easy to put together
Size: 1 Panel, Size: 1 Panel
I got this room divider in and it works great. It’s really easy to put together you don’t even need tools. I really like that it’s not see through, it’s not a black out curtain but it keeps light out pretty good. I absolutely hate my bedroom layout there’s no bathroom door. My girlfriend and I have different work schedules so I’m trying to sleep while she’s getting ready for work and the light shines right in my eyes. This divider keeps the light out of my eyes and that’s exactly what I was hunting for. I also like that you can adjust the length. I took one of the bars out to make it a little shorter and it worked great. I would recommend this room divider.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2026
B
Verified Purchase
Ben F.
Waukegan, US
★★★★★ 5
Good product, poor directions.
Color: Black, Size: B-88''W-4 Panel
The quality of the product was better than most at this price. The directions could have been much better even though I have an engineering background.
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Reviewed in the United States on September 1, 2025
D
Verified Purchase
Deb J
Dallas, US
★★★★★ 4
Nice partition for my basement
Color: Beige, Size: B-102''-3 Panel
This 3-panel room divider showed up well-packaged with all the parts and even a little tool for putting it together. The instructions were easy to follow, and while one person can definitely assemble it, having two makes it quicker and less frustrating. It does exactly what I needed—gives quick, easy coverage in an open area. I'm using it in my basement to hide the furnace and water heater, and it works great for that. It looks nice overall, but I picked the beige fabric (which is really more of a tan), and the black frame makes it stand out more than I’d like. A white or lighter frame would’ve blended better. Not sure that I would use it anywhere besides the basement It’s lightweight and pretty sturdy. The wheels make it easy to move, but it does get a bit wobbly, and the panel clips need to be readjusted every time you roll it somewhere new. Still, for the price, it’s a solid buy. I’m happy with it and planning to order another one.
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Reviewed in the United States on June 21, 2025

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