
DM-20-GT-10 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $18.00 | Condition is Used, Greenlee DM-20 Multimeter GT-10 Outlet Tester, FREE SHIPPING | 100.0% |
![]() | $27.99 | Condition is Used, Greenlee Model DM-20 Pocket Multimeter - Used Condition, FREE SHIPPING | 99.2% |
![]() | $19.99 | Condition is Used, Greenlee DM-20 300 Volt Manual Ranging Digital Multimeter, shipping cost = $10.42 | 99.3% |
![]() | $23.99 | Condition is Used, Greenlee DM-20 Digital Multimeter With Probes CAT II 300V Measurement Tool, shipping cost = $6.37 | 99.6% |
![]() | $29.99 | Condition is Used, Greenlee DM-20 Multimeter GT-10 Outlet Tester GT-11 Meter , FREE SHIPPING | 99.8% |
![]() | $19.00 | Condition is Used, Greenlee DM-20 Digital Multimeter Electronic Electric Tester , shipping cost = $11.35 | 100.0% |
![]() | $19.80 | Top Pick! Condition is Used, Greenlee DM-20 Digital Multimeter With Probes CAT II 300V Measurement Tool, shipping cost = $11.35 | 99.8% |
![]() | $20.00 | Condition is Used, Greenlee DM-20 Digital Multimeter Kit PRO Used Electronic Test Equipment , shipping cost = $10.00 | 100.0% |
![]() | $20.00 | Condition is Used, Greenlee DM-20 Multimeter, shipping cost = $11.35 | 100.0% |
![]() | $25.00 | Condition is Used, Greenlee DM-20 Manual Ranging Digital Multimeter With Probes CAT II 300V, shipping cost = $7.75 | ![]() |
![]() | $25.74 | Condition is Used, Greenlee DM-20 Multimeter Kit GT-10 CT-11 Voltage Tester Electrical Set, shipping cost = $9.14 | 99.8% |
![]() | $29.95 | Top Pick! Condition is Used, Greenlee Dm-20 Digital Multimeter With Probes And Tester Complete Set, shipping cost = $6.58 | 100.0% |
![]() | $30.00 | Condition is Used, Greenlee Multimeter, DM-20, GT-10, GT-11 Testers & Original Case, shipping cost = $6.58 | 98.1% |
![]() | $25.00 | Condition is Used, Greenlee Dm-20 Digital Multimeter With Probes, shipping cost = $12.06 | 100.0% |
![]() | $26.99 | Condition is Used, Greenlee DM-20 Digital Multimeter GT-10 Outlet Circuit Tester With Case Tested , shipping cost = $11.35 | 99.9% |
![]() | $28.24 | Top Pick! Condition is Used, Greenlee DM-20 Multimeter , shipping cost = $9.42 | 100.0% |
![]() | $24.99 | Condition is Used, Greenlee DM-20 Digital Multimeter Kit PRO Includes GT-11 And GT-10, shipping cost = $16.45 | 99.5% |
![]() | $39.95 | Condition is Used, Greenlee DM-20 Manual Ranging Digital Multimeter, shipping cost = $14.00 | 99.8% |
![]() | $50.03 | Condition is Used, (81463-1) Greenlee DM-20 Multimeter, shipping cost = $35.13 | 98.4% |

The Greenlee DM-20 GT-10 Digital Multimeter Outlet Circuit Tester is a versatile and essential tool for electricians and DIY enthusiasts who need to test outlets and circuitry for safety and compliance. This compact and portable multimeter features a digital display screen, ensuring accurate and easy-to-read measurements.
The GT-10 Outlet Circuit Tester attachment allows the multimeter to test outlets for voltage, continuity, and ground faults. With its unique test lead design, it can test both 15 and 20 Amp, 120V and 240V outlets. The multimeter can also test for reverse polarity and open ground conditions, providing comprehensive electrical testing capabilities.
The DM-20 GT-10 Digital Multimeter is built with durability in mind, featuring a rugged housing and water-resistant design. It also includes a battery life indicator, auto-shutoff feature, and low battery warning, ensuring long-lasting performance and safety. The multimeter comes with a protective pouch and test leads, making it easy to transport and store.
This Greenlee multimeter is compliant with ANSI/IEEE C2 standard and is RoHS and WEEE compliant. It also meets the requirements of UL 1174 for category III safety ratings. With its user-friendly interface, extensive testing capabilities, and rugged design, the Greenlee DM-20 GT-10 Digital Multimeter Outlet Circuit Tester is a must-have tool for any electrician or DIY enthusiast.
The Greenlee DM-20 GT-10 Digital Multimeter Outlet Circuit Tester is a versatile electrical testing tool designed to measure voltage, current, resistance, and continuity in both AC and DC circuits. It also includes features specifically for testing outlets, such as the ability to test for reverse polarity and imbalance. Here are some pros and cons to help you determine if this multimeter is the right choice for your electrical testing needs.
Pros:1. Outlet Testing Capabilities: The DM-20 GT-10's outlet testing feature is a significant advantage over traditional multimeters. It saves time and reduces the need for additional testing tools.
2. Wide Voltage Range: The multimeter can measure voltage up to 1000V, making it suitable for testing various electrical systems, including industrial applications.
3. Continuity Testing: The continuity testing feature allows users to check for complete electrical circuits, which is essential for troubleshooting electrical systems.
4. Data Hold Function: The data hold function allows users to lock in the reading, making it easier to record test results.
5. Auto Shut-off: The auto shut-off feature helps conserve battery life and adds an additional layer of safety to the device.
Cons:1. Price: The Greenlee DM-20 GT-10 is more expensive than some other digital multimeters on the market, which could be a drawback for budget-conscious consumers.
2. Size: The multimeter is larger than some other models, which could make it less portable for some users.
3. Limited Input Jacks: The multimeter has only two input jacks, which may not be enough for users who need to test multiple circuits simultaneously.
Conclusion:The Greenlee DM-20 GT-10 Digital Multimeter Outlet Circuit Tester offers a range of features that make it an essential tool for electrical professionals and DIY enthusiasts. Its outlet testing capabilities, wide voltage range, and continuity testing function make it a versatile and valuable addition to any electrical toolkit. While it may be more expensive than some other multimeters on the market and lacks the portability of smaller models, its unique features and advanced capabilities make it a worthwhile investment for those who require a comprehensive electrical testing solution.
Recommendation:If you are an electrical professional or a serious DIY enthusiast looking for a multimeter with advanced outlet testing capabilities, the Greenlee DM-20 GT-10 Digital Multimeter Outlet Circuit Tester is an excellent choice. Its wide voltage range, continuity testing function, and data hold feature make it a valuable tool for troubleshooting and maintaining various electrical systems. While it may be more expensive than some other multimeters, its unique features and capabilities make it a worthwhile investment for those who require a comprehensive electrical testing solution.
Details:
May or does have scuffing, scratches, and marks. Items have been tested and do work. Greenlee DM-20 digital multimeter GT-10 outlet circuit tester with case tested items are pre-owned in good working condition.
specifications testmultimeters:
- brand: Greenlee
- mpn: Dm-20
- part type: Multimeter Case
- measurement category: Cat Ii
- form factor: Handheld
- test/measurement functions: Ac Voltage, Dc Voltage, Resistance
- features: Instruction Manual
- display: Digital
offer testmultimeters:
- availability: in stock
- in stock #: 5
- best offers: true
- sold #: 11
- started: april 30, 2026
- options: ship-to-home
- prices: $18.00–$50.03
- item condition: Used
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
payments testmultimeters:
- credit card: diners-club
- wallet: google-pay
- other
returns testmultimeters:
- policy: no returns
seller testmultimeters:
- city: greer, south carolina
- rating: 99.9%
- # reviews: 6278
shipping testmultimeters:
- transit: 5-12 days
- type: calculated
- class: standard
- service: usps ground advantage
- carrier: usps
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