This high-precision analog insulation resistance meter from Sanwa Electric Instruments supports measurements in three ranges (500V/250V/125V) and can measure a wide range of resistance values from 0.02 to 100MΩ.
It has a highly portable design, a compact body with dimensions of H144 x W99 x D43 mm and a weight of approximately 310 g, and is equipped with a voltage measurement function for AC600V/DC60V.
Measurement accuracy is within ±5% of the indicated value, enabling highly reliable measurements for insulation resistance measurement in electrical equipment maintenance and inspection and electrical work.
It comes with test leads (TL-509S) and a carrying case (C-09S), making it practical for on-site measurement work.
Powered by 6LF22/6LR61 (9V alkaline battery), the power-saving design with a rated current of 1.0 to 1.2mA allows for long-term measurement work.
[⭐ Product Features & Recommended Points]
●Covers three measurement ranges in a single device
Supports three test voltages: 125V, 250V, and 500V, allowing a wide range of insulation resistance measurements with one device. You can select the optimal range according to the site conditions.
●Intuitive reading unique to analog
The analog display with needle and scale makes changes visually easy to understand, providing high visibility even for first-time users.
●Switchable between single and continuous measurement
Insulation resistance measurements can be switched between single (one-shot) and continuous modes, allowing flexible use depending on the target.
●Includes DC and AC voltage measurement functions
Can measure DC voltage from 0–60V and AC voltage from 0–600V, making it useful for wiring verification and live-line checks.
●Equipped with automatic discharge function
Automatically discharges residual charges in the measured circuit after testing, ensuring safe subsequent measurements.
●Built-in battery check function
Allows you to measure the remaining battery level inside the device, helping you avoid unexpected power depletion.
●Lightweight and compact for easy portability
Measures approximately 144×99×43mm and weighs about 310g, making it compact and highly portable. Ideal for on-site movement and working in tight spaces.
●Practical included accessories
Comes with test leads and a carrying case, allowing you to start measurements immediately after purchase.
[📌 Summary]
This product is a highly versatile analog insulation resistance tester with three selectable measurement ranges. In addition to the excellent visibility of the analog needle, it is equipped with AC/DC voltage measurement and a discharge function, making it highly practical for wiring work, maintenance, and inspection. Its lightweight, portable size and comprehensive included accessories make it suitable for a wide range of applications, from daily electrical equipment checks to professional use.
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