Description: Designed specifically for residential HVAC and maintenance, the E500 has O, CO, and CO₂ gas sensors. Among other features, the unit includes a cracked heat exchanger test, a built-in differential pressure manometer, and a built-in differential thermometer. The entry-level device has a rechargeable lithium ion battery pack with AC charger and wireless Bluetooth capabilities. Paperless reports allow users to save and email data using a free smartphone app available for both iOS and Android devices.

Contact: 215-720-1136; www.e-inst.com; eProduct 182

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