Free Gift Card Details
$100 Order
$250 Order
$500 Order
$1000 Order
- The promotion will be automatically applied on the Shopping Cart page.
- To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
- Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
- E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
- Free e-gift cards expire 11/01/26.
- Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
- Valid online and in participating retail stores.
- Limited-time offer. Subject to change without notice.
Triplett MG500 Insulation Tester/Megohometer

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Click or Tap image to Zoom
Shipping:
Factory shippedStore Pickup:
Not available - online only
- Insulation Resistance to 200G?
- 50V, 100V, 250V, 500V, and 1000V Test Voltages
- Polarization Index ((PI); Dielectric Absorption Rate (DAR)
- Lock Power feature for hands-free operation
- Timed Test function (1 to 10 minutes in 1 minute increments)
See full description
Description
Key Specs
Reviews
Q & A
Warranty
Compare
Product Summary
What's Included
- (1) Insulation Tester/Megohometer
Features + Benefits
- Insulation Resistance to 200G?
- 50V, 100V, 250V, 500V, and 1000V Test Voltages
- Polarization Index ((PI); Dielectric Absorption Rate (DAR)
- Lock Power feature for hands-free operation
- Timed Test function (1 to 10 minutes in 1 minute increments)
- ETL listed
- Comparison (pass/fail) mode
- Leakage current measurement
- AC/DC Voltage, Resistance, Capacitance, Frequency, and Continuity measurement
- Includes test leads, test probes, remote control probe, alligator clips, (6) AA batteries, and carrying case
Key Specs
| Attribute | Specification |
|---|---|
item# | 7064787 |
Brand | Triplett |
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 3.15 LB |
Functions (qty.) | 7 |
Display Type | LCD |
Circuit or Voltage Tester | Circuit Tester |
Max. DC Volts | 600 |
Max. AC Volts | 600 |
Max. AC Amps | 2,000 |
Max. Resistance | 200 |
Battery Size | AA |
Low Battery Indicator | Yes |
| Attribute | Specification |
|---|---|
Battery Type | AA |
Battery Included | Yes |
Water Resistant | No |
Power Source | Battery |
Live Circuit Detection | Yes |
UL Listed | Yes |
Calibration Certificate Included | No |
Max. Ohms | 10 |
Application | Measure insulation resistance up to 200G?, as well as measurements of AC/DC Voltage, Resistance, Capacitance, Frequency, and Continuity |
Includes | Includes test leads, test probes, remote control probe, alligator clips, (6) AA batteries, and carrying case |
Product Weight | 3.1500 lb |
Dimensions L x W x H (in.) | 12.0 x 9.25 x 3.0 in |
Reviews
Questions & Answers
Questions
Warranty
Manufacturer's Warranty
1 year limited warranty
Compare with Most Popular in Megohmmeters
See All Megohmmeters
See All Triplett Megohmmeters
Currently Viewing This Product
Item # 7064787
$659.99Shipping:
Factory shippedStore Pickup:
Not available - online only
Item # 5852296
$317.99Shipping:
Factory shippedStore Pickup:
Not available - online only
Item # 5958832
$262.99Shipping:
Factory shippedStore Pickup:
Not available - online only
Item # 6925565
$2049.99Shipping:
Factory shippedStore Pickup:
Not available - online only
Specifications
7
4
3
-
LCD
LCD
Analog
-
Circuit Tester
Circuit Tester
Circuit Tester
-
600
1000
-
-
600
750
600
-
2,000
-
-
-
200
2000
200
-
AA
AA
AA
-
Yes
Yes
Yes
-
AA
AA
AA
-
Yes
Yes
Yes
-
No
No
No
-
Battery
Battery
Battery
-
Yes
No
Yes
-
Yes
No
No
-
No
No
No
-
10
200
500
-
Measure insulation resistance up to 200G?, as well as measurements of AC/DC Voltage, Resistance, Capacitance, Frequency, and Continuity
Measure 2- and 3-wire Earth Ground Resistance (in 3 ranges) and Earth Voltage (200V), plus multimeter functions AC/DC Voltage and Resistance (200k?)
Tests Insulation Resistance to 400M? using three test voltages (250V, 500V, and 1000V), and also measures AC Voltage and Low Resistance
-
Includes test leads, test probes, remote control probe, alligator clips, (6) AA batteries, and carrying case
Includes Test leads, (2) auxiliary earth rods, (6) AA batteries, and carrying case
Includes heavy duty test leads with alligator clip, (6) AA batteries, hanging strap, and hard carrying case
-
3.1500 lb
6.7000 lb
0.3500 lb
11.0700 lb
12.0 x 9.25 x 3.0 in
20.0 x 14.5 x 5.0 in
3.7 x 1.9 x 8.5 in
18.7 x 10.83 x 5.71 in
-
0.02
5% FS
-
-
Measures Earth Resistance and Voltage, AC/DC Voltage and Continuity
Measures Insulation Resistance
-
-
Yes
Yes
-
-
Measures Earth Resistance and Voltage, AC/DC Voltage and Continuity
Measures Insulation Resistance
-
-
Yes
-
-
-
Plastic
Plastic
-
-
-
AC Voltage
-
-
-
Visual
-
See All Megohmmeters
See All Triplett Megohmmeters
Recently Viewed Items
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.



