Wika Hybrid Gas Density Monitor With Reference Chamber, GDM-Rc-100-T, With Modbus ® Interface Or Analogue 4 ... 20 Ma Signal
Part Number : GDM-RC-100-T
Brand :
![WIKA]()
Gas density is a crucial operating parameter for high-voltage plants. If the required gas density is not present, safe operation of the plant cannot be guaranteed.
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Description
Gas density is a crucial operating parameter for high-voltage plants. If the required gas density is not present, safe operation of the plant cannot be guaranteed. The WIKA gas density measuring instruments provide reliable warnings against dangerously low gas levels, even under extreme ambient conditions. If the gas density drops as a result of a leakage, the switch contacts will switch. In addition to the traditional gas density monitor, with the model GDM-RC-100-T high-precision sensors and evaluation electronics are incorporated. Via the on-site display, the pressure based on 20 °C [68 °F] can be read directly on the instrument. With the integrated switch contacts, simple switching tasks can be realised quickly and without complication. The integrated Modbus® interface or the 4 ... 20 mA sensors integrated or attached to the instrument enable remote monitoring of the plant. The measured data for pressure, temperature and gas density are transmitted using the standardised Modbus® RTU protocol. The model GDM-RC-100-T can also be configured for alternative gases consisting of N2, CF4, O2, CO2, 3M™, Novec™ 4710, He and Ar. The analogue version of the GDM-RC-100-T uses the proven technology of the 4 ... 20 mA analogue signal and outputs the absolute pressure at 20 °C [68 °F] or the gas density in g/l for insulating gas as an analogue signal. The data storage enables trend analysis to be carried out, so that critical insulating gas conditions can be predicted and rectified in time. An optimisation of the maintenance strategy from time-based (TBM) to condition-based (CBM) is possible through the use of the GDM-RC-100-T. TBM = Time Based Maintenance CBM = Condition Based Maintenance
Special features
• High-voltage equipment• Gas density monitoring of closed insulating gas compartments• Remote monitoring of the insulting gas condition• Raising an alarm when defined limit values have been reachedRelated Products
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