Description
Product Overview
The allsun EM480B insulation resistance meter is a modern digital instrument built for reliable high‑voltage testing. Powered by six AA batteries (not included), it offers three selectable test voltages—250 V, 500 V, and 1000 V—allowing precise measurement of insulation resistance in a variety of industrial and scientific applications. Housed in a rugged black and yellow case, the meter measures 6.69 x 2.56 x 4.33 inches and weighs just 1.1 lb, making it lightweight yet durable. Key specifications include a minimum operating voltage of 250 V, an ohmmeter measurement type, and a protective circuit that prevents damage from discharge voltage of the tested load. The device also features a data‑hold function, automatic power‑off, and an LED indicator that signals high‑voltage operation.
Usage
Designed for field technicians, electricians, and maintenance engineers, the EM480B excels in environments where quick, accurate insulation testing is essential. Whether you are inspecting motor windings, checking cable insulation, or verifying the integrity of control panels, the meter’s portable design and belt‑mounted carrying case enable hands‑free operation. Its battery‑powered nature eliminates the need for external power sources, making it ideal for remote sites, outdoor installations, and emergency troubleshooting. 
Why Choose Us
allsun combines precision engineering with user‑centric design. The EM480B undergoes rigorous quality control at Zhangzhou Eastern Intelligent Meter Co., Ltd, ensuring consistent performance and long‑term reliability. The inclusion of a protective circuit safeguards both the instrument and the tested equipment, while the auto‑off feature conserves battery life. Our commitment to after‑sales support includes a comprehensive warranty and access to technical resources, giving you confidence in every measurement.
Key Features
- Three selectable test voltages (250 V, 500 V, 1000 V) for versatile insulation testing
- Battery‑powered operation with six AA cells (batteries sold separately)
- Data‑hold and auto power‑off functions to enhance usability and battery life
- Durable carry case and belt for easy transport and hands‑free use
- Protective circuit prevents damage from discharge voltage of the load
FAQ
What type of batteries does the EM480B use?
The meter requires six AA or equivalent 1.5 V batteries, which are not included with the product.
Can the meter be used for continuous monitoring?
It is designed for spot testing rather than continuous monitoring; the auto power‑off feature conserves battery life during intermittent use.
Is the device suitable for residential electrical work?
Yes, the EM480B is appropriate for both residential and industrial applications, offering safe, accurate insulation resistance measurements.
How does the protective circuit work?
The built‑in protection limits the discharge voltage from the tested load, preventing potential damage to the meter and ensuring user safety.
What warranty does allsun provide?
allsun offers a standard one‑year warranty covering manufacturing defects, with options for extended service plans.
Reviews
There are no reviews yet.