Pantech Instruments manufactures Digital Pressure Gauge, Model 877. Pantech Instruments is the manufacturer and exporters of Process Control Instruments. The Digital Pressure Gauge is a Temperature Gauge for providing on site digital readings for temperature signals. The Digital Pressure Gauge has two parts. One is the temperature sensing element being standard RTD 3 wire or a Thermocouple type. The user of the Digital Pressure Gauge can access any of this part. The Digital gauge has a fraction 4/5 digit numeric LCD display to exhibit temperature value accurately. Digital Pressure Gauge is a series which is often suited for low drain, battery operated systems. An internal rechargeable 9V DC battery last really long. The high grade power efficient microprocessor chips, and software features like auto sleep allow the user to have full one year battery life. Digital Pressure Gauge incorporates low drift operational amplifiers and industrial grade components.