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  4. Gas density sensor GD-20 measures density, temperature, and pressure of insulating gas and outputs Modbus® or analog 4-20mA signal (Bika Japan Co., Ltd.)
Gas density sensor GD-20 measures density, temperature, and pressure of insulating gas and outputs Modbus® or analog 4-20mA signal-GD-20
Gas density sensor GD-20 measures density, temperature, and pressure of insulating gas and outputs Modbus® or analog 4-20mA signal-Bika Japan Co., Ltd.

Gas density sensor GD-20 measures density, temperature, and pressure of insulating gas and outputs Modbus® or analog 4-20mA signal
Bika Japan Co., Ltd.

Bika Japan Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

13.0hours

Relatively Fast Response

About This Product

■Constant monitoring

Constant monitoring of gas concentrations is essential to prevent switchgear system failures and network outages. The GD-20 is a gas density sensor's powerful microprocessor that uses complex virial equations to calculate the current gas density from pressure and temperature. Pressure changes due to thermal effects are compensated for by this and do not affect the output value.

■MODBUS® fieldbus

The RS-485 interface communicates using the MODBUS® RTU protocol. The GD-20 model can be freely configured from the factory for any defined gas mixture consisting of SF6, N2, CF4, O2, CO2, 3M™ Novec™ 4710, He, Ar. The calculation is based on the partial pressure method of the individual gas components.

■Output signal stability

Due to its long-term stability, the sensor is maintenance-free and does not require recalibration. The sealed welds and the design of the measuring cell without sealing elements ensure a permanently sealed measuring cell. The gas density sensor can also be provided with an analog output signal (4-20mA) to provide a compensated pressure (p at 20 °C [68 °F]).

■Features

・High-precision sensor technology ・Digital MODBUS® RTU or analog 4-20mA signal output ・Protection grade IP67 (Option: IP69k [with field case]) ・Excellent long-term stability and EMC characteristics ・Compact design

■Applications

・Continuously monitor the gas condition inside the sealed tank ・For equipment insulated with SF6 ・Density measurement of alternative gases in power equipment and laboratories

  • Product

    Gas density sensor GD-20 measures density, temperature, and pressure of insulating gas and outputs Modbus® or analog 4-20mA signal

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1 Models of Gas density sensor GD-20 measures density, temperature, and pressure of insulating gas and outputs Modbus® or analog 4-20mA signal

Image Part Number Price (excluding tax)
Gas density sensor GD-20 measures density, temperature, and pressure of insulating gas and outputs Modbus® or analog 4-20mA signal-Part Number-GD-20

GD-20

Available upon quote

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About Company Handling This Product

Bika Japan Co., Ltd.

Response Rate

100.0%

Response Time

13.0hrs

  • Japan

Related search keywords

Gas Sensors
Gas Sensors　Bika Japan Co., Ltd.
Bika Japan Co., Ltd.

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