Handheld Ultrasonic Flow Meter High Accuracy Data Record Flowmeter with Small Probe DN32‑DN100 100‑240V Item Type: Handheld Ultrasonic Flow Meter Material: ABS Battery: 1.2VAA rechargeable lithium battery x 3 2300mAH (shipped with built in battery) Measurement Caliber Range: DN32 to DN100 Linear: 0.5% Repeatability: 0.2% Accuracy: ± 1% of the indicated value, flow rate>0.2m/s Response Time: 0 to 999 seconds, user selectable Flow Rate Range: ± 32m/s Pipe Section Size: Approx. 20 to 6000mm / 0.79 to 236.22in Accumulator: 7 bit positive, negative, and net accumulators Liquid Type: Various liquids Security: Set value locking, data changes need to be unlocked Display: 4 x 8 Chinese or 4 x 16 English Communication Interface: RS 232, baud rate 75 to 57600, compatible with Fuji ultrasonic flow meter, and also compatible with other products according er requirements Sensor Cable: Standard is 5m x 2, and can also be extended to 10m x 2 Data Recording: The built in data recorder can record 2000 rows of data Manual Accumulator: 7 position, press button to start calibration Speed Range: 0.1 to 6 meters/second Temperature Range: 32 to 230℉ (0 to 110℃)