The FLIR DM93-NIST world-class digital multimeter offers advanced variable frequency drive filtering to help you accurately analyze non-traditional sine waves and noisy signals. No matter what electrical challenge you're up against, the DM93-NIST's powerful lighting and durable design will make the job simple. The DM93-NIST also features Bluetooth® technology to connect a compatible smartphone for remote viewing and sharing, as well as METERLiNK® technology to wirelessly embed electrical readings into radiometric infrared images on compatible FLIR thermal cameras. Comes with certificate traceable to NIST.