
Nobotech Portable Dissolved Oxygen Meter Water Quality Test Pen Portable Dissolved Oxygen Meter Dissolved Oxygentest in Water. IP65 Waterproof Design: Durable protection grade IP65 ensures safe operation in various wet laboratory and field conditions. Long Standby Time: Theoretical standby time exceeds one year due to advanced low power consumption technology. Smart Calibration System: Features automatic identification of standard solutions and prevents calibration if wrong solution is used. 32-bit Processor: Equipped with a high-performance 32-bit processor for high stability and low power consumption. Auto Shutdown Feature: Automatically shuts down after five minutes of inactivity to save battery life. Comprehensive Warranty: Includes a 1-year warranty and video tutorial support for all purchased units. Flexible Customization: Supports full customization including logo printing, packaging, and design modifications.