Product Features

• Compact sizeThe industry's smallest compact size, with dimensions of W48 x H96 x D101 mm, facilitates easy installation and use.

• High-precision measurementBy adopting a sensor with an electrode constant of 0.1 and a dedicated measurement circuit, high-precision measurement can be achieved.

• Simulation Output and Communication FunctionsIt features analog output, alarm output, and serial communication (Modbus RTU) functionality, facilitating integration with other systems.

• Multiple power supply specifications：-A1The series is AC power supply, -A2The series consists of DC power supplies, and users can select the appropriate type of power supply based on their needs.

• Compatible with multiple sensorsIt can be selected from the 7701 sensor series to meet different requirements such as installation pipe diameter, material, operating temperature, and pressure.

Technical Parameters

• Measurement rangeThe measurement range of 7731-A120/A220 is 0-2.000 MΩ·cm.。

• Sensor Selection：

• 7701-S300Installation pipe diameter R3/4, suitable for resin pipelines, working pressure below 1.5MPa, working temperature 0-100°C.

• 7701-S310The installation pipe diameter is R1/2, suitable for resin pipelines, with a working pressure below 0.5MPa and a working temperature of 0-80°C.

• 7701-S600Suitable for resin and metal pipes, with a working pressure below 1.5MPa and a working temperature of 0-100°C.。

Application scenarios

• Semiconductor manufacturingIt can be used to measure the resistivity of semiconductor materials, ensuring that the electrical properties of the material meet the requirements.

• Electronic component productionIn the production process of electronic components, it is used to measure the resistivity of raw materials and products to ensure product quality.

• Water Quality MonitoringIn the field of water treatment and water quality monitoring, it can be used to measure the resistivity of water and assess the purity of water quality.。