
GMT-312 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $7.69 | Top Pick! Condition is Used, GB Instruments Multi-Meter Electronic Tool No. GMT-312 3-1/2" Tall China, shipping cost = $5.62 | 100.0% |
![]() | $8.49 | Condition is Used, GB Industries GMT-312 Analog Multi Tester, Pre-owned, shipping cost = $5.10 | 99.3% |
![]() | $6.00 | Condition is Used, GB Instruments GMT-312 Analog Multimeter Volt Ohm Meter Tested, shipping cost = $8.13 | 100.0% |
![]() | $15.00 | Condition is Used, GB Instruments Analog Multimeter - GMT-312 - Black, FREE SHIPPING | 100.0% |
![]() | $9.37 | Condition is Used, GMT-312 Analog Multimeter by GB Instruments Compact Electrical Testing Tool, shipping cost = $8.37 | 99.3% |
![]() | $17.97 | Condition is Used, GB Instruments Analog Multimeter - GMT-312 - Black AA Battery Operated, FREE SHIPPING | 98.9% |
![]() | $14.99 | Top Pick! Condition is Used, GB Instruments Analog Multimeter - GMT-312 - Black AA Battery Operated, shipping cost = $5.97 | ![]() |
![]() | $9.69 | Condition is Used, GB Instruments Analog Multimeter GMT-312 AA Battery Operated Ac Dc Ohm Amps, shipping cost = $11.59 | 99.3% |
![]() | $12.13 | Top Pick! Condition is Used, GB Instruments GMT-312 Handheld Analog Multimeter CAT II AC/DC Voltage, shipping cost = $8.06 | 100.0% |
![]() | $14.49 | Condition is Used, GMT-312 Analog Multimeter by GB Instruments Compact Electrical Testing Tool, shipping cost = $8.75 | 100.0% |
![]() | $15.00 | Condition is Used, GB Instruments GMT-312 Handheld Analog Multimeter CAT II AC/DC Voltage, shipping cost = $7.00 | 100.0% |
![]() | $18.00 | Condition is Used, 3 GB Instruments Analog Multimeter - GMT-312 - Black AA Battery Operated, shipping cost = $5.00 | 100.0% |
![]() | $13.00 | Condition is Used, GB INSTRUMENTS - GMT-312 BATTERY TESTER CHECKER WITH OHM ADJUSTER, shipping cost = $14.50 | 100.0% |
![]() | $18.00 | Condition is Used, GB Instruments GMT-312 Analog Multimeter with Manual, shipping cost = $9.42 | 100.0% |
![]() | $19.99 | Condition is Used, GMT-312 Analog Multimeter by GB Instruments Compact Electrical Testing Tool, shipping cost = $9.14 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $13.59 | Condition is New, NEW GB GMT-312 ANALOG 12 RANGE MULTIMETER VOLTAGE ELECTRICAL TESTER 6115265, shipping cost = $3.99 | 98.8% |
![]() | $19.95 | Top Pick! Condition is New, GB Instruments GMT-18A Analog Multimeter 5-Function 12-Range *NEW SEALED NOS*, FREE SHIPPING | 100.0% |
![]() | $15.00 | Condition is New, NEW GB GMT-312 ANALOG 12 RANGE MULTIMETER VOLTAGE ELECTRICAL TESTER 6115265, shipping cost = $9.75 | 100.0% |
![]() | $24.91 | Condition is New, GB Gardner Bender GMT-312 12 Range Pocket Multimeter, FREE SHIPPING | 99.8% |
![]() | $16.99 | Top Pick! Condition is New, GB Instruments GMT-12A - 5 Function, 12 Range Multimeter NEW, shipping cost = $10.69 | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $14.00 | Condition is New – Open box, GB Instruments testing GMT-312 Handheld Analog Multimeter CAT II AC/DC Voltage, shipping cost = $7.04 | 100.0% |

The GB GMT-312 Multimeters Set is an extensive and versatile toolkit designed for electrical and electronic troubleshooting. This set includes two high-precision multimeters, each equipped with a backlit LCD display for easy reading in various lighting conditions. The multimeters support a wide range of measurements including DC and AC voltage, current, resistance, and frequency, making them indispensable for various applications such as home repairs, automotive diagnostics, and professional electronics work.
The GB GMT-312 Multimeters Set features auto-ranging functionality, which automatically selects the appropriate measurement range, ensuring accurate readings with minimal user input. This feature, combined with the multimeters' high input impedance, helps prevent damage to sensitive circuits. The multimeters also feature data hold and min/max functions, allowing users to capture and store maximum, minimum, and average readings for further analysis.
The multimeters in this set are compact and lightweight, making them easy to carry and store. They come with a comprehensive set of accessories, including test leads, probes, and a carrying case, ensuring that users have everything they need for their electrical testing needs. The multimeters are also equipped with a safety feature, such as overload protection and reverse polarity protection, to ensure user safety.
In summary, the GB GMT-312 Multimeters Set is a reliable and comprehensive toolkit for electrical and electronic testing. Its auto-ranging functionality, backlit LCD display, and various measurement capabilities make it a versatile tool for both professional and DIY users. Its compact design, comprehensive accessory set, and safety features make it a convenient and safe choice for any electrical testing needs.
Pros of the GB GMT-312 Multimeters Set:1. Wide Range: The GB GMT-312 Multimeter set offers a wide range of measurements, including voltage, current, resistance, and frequency. It also has a diode test function and a capacitance measurement feature.
2. Durable Construction: The multimeter is built with a durable metal housing, making it resistant to drops and impacts. It also features a rubber boot for added protection.
3. Backlit Display: The multimeter has a backlit display, making it easy to read in low light conditions.
4. Auto Ranging: The GB GMT-312 Multimeter set features an auto-ranging function, which automatically selects the proper range for the measurement, reducing the risk of misreadings.
5. Affordable: Compared to other multimeters in the market, the GB GMT-312 Multimeter set is relatively affordable, making it a cost-effective option for DIY enthusiasts and professionals.
Cons of the GB GMT-312 Multimeters Set:1. Lack of Bluetooth or Wi-Fi Connectivity: The GB GMT-312 Multimeter set does not have Bluetooth or Wi-Fi connectivity, which can limit its usefulness in some situations.
2. Limited Data Logging Capabilities: The multimeter does not have data logging capabilities, which can be a disadvantage for professionals who need to track and analyze data over time.
3. Limited Input Jacks: The GB GMT-312 Multimeter set only has one input jack for measuring current, which may limit its usefulness in situations where multiple current measurements are required.
Conclusion: The GB GMT-312 Multimeter set is a durable and affordable option for DIY enthusiasts and professionals who need basic multimeter functions. Its wide range of measurements, auto-ranging feature, and backlit display make it a reliable tool for various electrical applications. However, its lack of Bluetooth or Wi-Fi connectivity and limited data logging capabilities may be a disadvantage for some users. Therefore, it is recommended for users who require a basic multimeter for simple electrical measurements and are on a budget.
Details:
They are not brand new unless stated. Offered as untested, I dont know anything about these. One has a broken spot on case see photos. They are not new and may show varying signs of age, or wear.
Please review all photos carefully as they are your best of the item you purchasing and a part described. The items I list are purchased at estate sales, garage storage finds ,offers, and or hand crafted. Please view the listing photos to see measurements, and condition.
We combine when possible. They are antique, vintage, hand crafted or previously owned items. They may or not work.
Even if they were never used.
specifications testmultimeters:
- brand: Gb
- mpn: Gmt-312
- part type: Multimeter
- form factor: Handheld
- country of origin: China
- display: Analog
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
seller testmultimeters:
- # reviews: 645
- rating: 99.5%
- city: smartville, california
shipping testmultimeters:
- class: standard
- carrier: usps
- type: calculated
- transit: 5-9 days
- service: usps ground advantage
payments testmultimeters:
- other
- wallet: google-pay
- credit card: mastercard
offer testmultimeters:
- started: september 14, 2024
- options: ship-to-home
- sold #: 27
- prices: $6.00–$24.91
- item condition:
- Used
- New
- New – Open box
- availability: in stock
- in stock #: 5
returns testmultimeters:
- policy: returns accepted
- time: 30 days
- method: money back
- paid by: buyer





















