UEi Test Instruments is a leading manufacturer of portable testing and measurement equipment for the HVAC/R industry, offering combustion analyzers, manometers, and meters.
UEi Test Instruments is a globally recognized leader in the design and manufacture of portable testing equipment. Established in 1967 and joining the Kane Group in 1992, the company supports the HVAC/R industry with high-quality diagnostic tools.
Headquartered in Beaverton, Oregon, UEi offers a comprehensive catalog of products including combustion analyzers, Clamp Meters, Digital Multimeters, and specialist leak detectors. With a focus on customer service and product reliability, UEi ensures that professionals have the precise instrumentation needed to perform their jobs safely and effectively.
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UEi recommends annual recertification for combustion analyzers. You can submit a service request through the UEi Service Center on their official website to mail in your device for calibration and maintenance.
OL stands for "Over Limit," indicating that the measured value exceeds the maximum range of the current setting or the instrument.
Most UEi handheld instruments feature a battery compartment on the back secured by captive screws. Refer to your specific device model's manual for battery type (commonly AA, AAA, or 9V) and replacement instructions.
If your UEi CO detector indicates dangerous levels of Carbon Monoxide, evacuate the area immediately to fresh air and contact emergency services. Do not re-enter until the area has been declared safe by professionals.