Elitech pH Pen Meter with Calibration Supplies,Reliable Digital Tester for pH, Temperature in Growing Solutions, Optimal Plant Health and Yield ac refrigerant leak detector Smart App Control

Smart App Control

3 L/min (Error ±5%) Vacuum Source Built-in air pump Measurement Principle Light scattering method Laser Source 50 mW / 780 nm long-life laser Alarm Indicator light Sampling Time Adjustable (≥10 s) Communication RS485 (Modbus RTU) Operating Temperature 0–50 °C Storage Temperature -20–60 °C Operating Voltage DC 24 V Operating Current 3500 mA (average) Display 5-inch TFT screen Dimensions 120 × 180 × 80 mm

Packing list

Battery: 3 AAA batteries

Elitech pH Pen Meter with Calibration Supplies,Reliable Digital Tester for pH, Temperature in Growing Solutions, Optimal Plant Health and Yield ac refrigerant leak detector Smart App ControlThree point, push button calibration with auto buffer recognition for a wide range of results Automatic Temperature Compensation (ATC) for accurate readings in fluctuating temperatures Unique, double junction electrode design and increased reference gel volume for long electrode life in harsh environments Large, upright, dual line LCD display screen for ease of viewing, and to display indicators