Precision Calibration & Wide Pipe Compatibility ±10 manual fine calibration, ensures long-term measurement accuracy Heavy-duty clamp fits pipes up to 40mm ( 1.5 inch), compatible with most common pipelines
Ultra-Low Power & Smart Power Control Powered by 3 universal AAA batteries (not included) <500uA ultra-low standby, 15min auto shutoff/always-on dual mode for all testing needs