Safety | 1 Safety • Read and follow the instructions of this manual. • Inform yourself regarding hazards, which can be caused by the product or arise in your system. • Comply with all safety instructions and regulations for accident prevention. •...
2 | Product Description Product Description The analog transmitter GCD 200 is a capacitive vacuum gauge providing accurate and gas type independent pressure measurements. Equipped with a robust sensor made of aluminium oxide ceramic, this device combines high reliability and resistance to contamination. 2.1 Product Identification The product model can be found on the product's nameplate.
Installation | 4 Installation CAUTION Unauthorized modifications. Risk to injury! • Modifications or conversions of the gauge are not allowed. 4.1 Installation Conditions • Make sure that the environment of the device is not potentially explosive. • Make sure that the ambient conditions comply with the Technical Data [► 10]. 4.2 Vacuum Connection CAUTION Unintended opening of clamp with an overpressure in the vacuum system over 1000...
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4 | Installation • Remove the protective cover (is required again during maintenance work!). • Connect the flange to the system. Connection size: – ISO KF 16 – G1/4 (female) • Make sure that the sensor flange is connected to the ground. Mounting position: The installation position can be freely selected.
Installation | 4 4.3 Electrical Connection NOTICE Establish a connection using a live cable. Risk of damage to the device! • Only connect cables when de-energised. 4.3.1 I/O and Communication Port Schematic Connector: Type M12 A, 5-pin, male Pin no. Description Pin no.
5 | Operation Operation 5.1 Readjustment The gauge is factory calibrated in upright position. Other orientations, different climatic conditions, extreme temperature changes, ageing or contamination may necessitate re- adjustment. NOTE Conduct adjustment at the same ambient temperature at which the device is typically operated.
Maintenance and Service | 6 Maintenance and Service WARNING Units contaminated with hazardous material. Risk of poisoning! Risk of infection! If the unit is contaminated with hazardous material: • Wear appropriate personal protective equipment. The device requires no maintenance. External dirt and soiling can be removed by a damp cloth.
10 EU Declaration of Conformity This Declaration of Conformity and the CE-mark affixed to the nameplate are valid for the gauge within the Busch scope of delivery. This Declaration of Conformity is issued under the sole responsibility of the manufacturer.
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