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 ToolsTM or the FLIR InSiteTM workflow management system.
Your tool for field inspection, troubleshooting, and diagnostics
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.