The FLIR DM91 offers comprehensive features and durable design for quick and safe troubleshooting of electrical, electronic, and HVAC/R systems. Equipped with LoZ, VFD Mode, µA current measurement capability and more, the DM91 provides trusted results for the most accurate diagnosis of problems. The DM91 is enhanced with Bluetooth® technology to wirelessly connect via METERLiNK® to FLIR infrared cameras, or to mobile devices running FLIR Tools™ or the FLIR InSite™workflow management system.

● Trusted, Accurate Readings
Diagnose complex systems with True RMS, LoZ, VFD, and more. Assess temperatures up to 400°C (752°F) with the Type-K thermocouple.

● Work Longer without Interruption
DM91 offers powerful LED worklights and flexible battery options; datalogging and storage allows you to document intermittent trends.

● Streamline Reporting and Sharing
Bluetooth METERLiNK® allows you to wirelessly share readings with clients or embed data into FLIR thermal camera images.