Description
Product Overview
The FRIGESWIFT M500 Insulation Tester is engineered for accurate insulation resistance measurement in demanding industrial environments. Operating at a safe 500 V, it delivers a measurement range of 20 MΩ to 1000 MΩ, allowing technicians to quickly identify insulation degradation. The device features bright LED fault indicators that illuminate instantly when resistance falls below preset thresholds, and a zone scale that visually categorizes insulation health from excellent to critical. Constructed from impact‑resistant thermoplastic, the tester is both waterproof and corrosion‑resistant, ensuring reliable performance in humid or oily conditions. The soft zippered carrying case not only protects the unit during transport but also houses the test leads internally, keeping accessories organized and ready for use. Powered by two standard C‑size batteries (not included), the M500 offers long‑lasting operation without frequent replacements.
![[Product front view showing all components]](https://www.moneylife.store/wp-content/uploads/2026/07/5b5870ca59734d638bd5110357f7a265.jpg)
Usage
Designed for a wide range of applications, the M500 excels in refrigeration and air‑conditioning compressor diagnostics, motor insulation testing, panel board verification, and relay control circuit inspection. Its compact dimensions (7 × 3.8 × 2.4 inches) and lightweight design (10.86 oz) make it easy to carry into tight spaces such as equipment bays, control panels, and HVAC units. The intuitive interface requires minimal training, allowing both seasoned electricians and newer technicians to perform accurate measurements quickly. Whether you are conducting routine preventive maintenance on commercial refrigeration units or troubleshooting a failing motor in an industrial setting, the M500 provides reliable data that helps prevent costly downtime.
Why Choose Us
FRIGESWIFT stands for quality and durability. Each M500 unit undergoes rigorous testing to meet international safety standards, ensuring consistent performance across a variety of environments. The combination of a robust thermoplastic housing, a soft zippered case, and internal lead storage reduces the risk of damage during field work. Our commitment to customer satisfaction includes a responsive support team ready to assist with technical questions, warranty claims, and spare part availability. By choosing the M500, you invest in a tool that delivers precise results, reduces inspection time, and extends the lifespan of your electrical assets.
Key Features
- Measures 20‑1000 MΩ at 500 V for comprehensive insulation testing
- Clear LED fault indicators provide instant visual alerts
- Zone scale simplifies assessment of insulation condition
- Impact‑resistant, waterproof case ensures durability in harsh environments
- Dedicated customer support and warranty for peace of mind
FAQ
What type of batteries does the M500 require?
The tester operates on two standard C‑size alkaline batteries, which are not included in the package. These batteries provide long runtime and are easy to replace.
Can the M500 be used on low‑voltage circuits?
Yes, the device is suitable for low‑voltage applications. Its 500 V test voltage is safe for most insulation resistance checks without risking damage to sensitive components.
Is the zippered case water‑proof?
The case itself is water‑resistant and protects the tester from splashes and humidity, but it is not designed for submersion. It safeguards the unit during typical field conditions.
How accurate is the measurement?
The M500 provides accuracy within ±2 % of the reading, which meets industry standards for insulation resistance testing.
What is the warranty period?
FRIGESWIFT offers a one‑year limited warranty covering manufacturing defects and providing repair or replacement services as needed.




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