The Megger 1001-858 is an industrial-grade digital multimeter with a variety of advanced features. It has a maximum battery life of 500 hours making it an ideal choice for long-term testing and monitoring applications. It comes with an intuitive graphical LCD display that displays readings clearly and accurately, ensuring precise readings every time. The instrument can measure up to 11 different electrical parameters such as AC/DC voltage and current, resistance, capacitance, frequency, duty cycle, and continuity. It can also easily measure temperature, humidity, and pressure. The 1001-858 has a wide operating range of 0.2V to 600V DC, 0.2A to 10A AC/DC, and a resolution of 1uV, 0.1uA, and 0.1ohms. It comes with a durable and durable test probe which is designed to protect against short circuits, giving users piece of mind knowing that their instrument is reliable. The 1001-858 also features an integrated overload protection that ensures the safety of any device being tested. All of these features make the Megger 1001-858 a must-have tool for any industrial facility.