R1620-NIST Includes Only:Sound Level MeterWindshield Ball4 x AAA BatteriesNIST CertificateFeatures:High accuracy of ±1.5dBA & C frequency weightingFast & Slow time weightingEasy to operate, designed for one-hand operationIntegrated display provides flexibility for use without a mobile deviceMagnetic Backing allows the instrument to be mounted to metallic surfacesData Hold functionLow battery indicator and auto shut offTripod mount for long-term monitoringWhen Used with the REED Smart Series App:Real-time data loggerUser-selectable sampling rate from 1 to 120 secondsBluetooth 5.0 provides connectivity to instruments up to 246' (75m) awayConnect, measure and data log up to 6 instruments, simultaneouslyEasy setup with automatic app integration for compatible REED Smart Series instrumentsExport data via Excel or PDF and create custom reports that can be emailed from a mobile deviceIdeal Applications for the REED R1620-NIST:Preventative maintenanceRecording of acoustic levels for environmental impact studiesEnsuring safe working conditionsPublic venues/concertsIndustrial machinery/equipmentConstruction sitesCode enforcementTrafficLong-term measurementApp Features:Bluetooth 5.0 provides connectivity to instruments up to 246' (75m) awayConnect, measure, and data log up to 6 instruments, simultaneouslyEasy setup with automatic app integration (Bluetooth pairing not required)Measurement data is displayed as instrument readings, tables, or graphsSave data in PDF or Excel FormatCreate custom reports that can be saved on a mobile device or sent by emailThe R1620 is a compact sound-level meter that can be used either standalone or with the REED Smart Series App. When connected to the App, the R1620 can be set up to data log measurements over a given period. REED Smart Series instruments can be connected wirelessly to your smartphone or tablet. All measurement data is transmitted via Bluetooth to the free REED Smart Series app. The app allows users to analyze data, generate reports and send information by email directly from a mobile device.For more information, please see Product Manual.