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Besides the vertical automation technology there is a need for self-sufficient measurement and control devices to realize small automation applications.
In this category Gönnheimer offers devices for the Ex- Zones 1, 21 as well as 2 and 22:
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Ex- Measurement technology
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Ex- PID controller PR130
- Mounting directly in hazardous area
- Ex- protection: II 2 G; Ex ib IIC T6/T4
- Fixed set point, ratio, override controller
- Continuous or clocked actuator output
- Local or remote set point entry
- Split- range control
- MODBUS- interface
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Ex- Transmitter D122.T
- Mounting directly in hazardous area
- Ex- protection:
- II 2 G; Ex ib IIC T6/T5 Gb
- II 2 D; Ex ib IIIC T135°C Db
- D122.T can be connected like a 2 wire transmitter (voltage span 8 ..30V)
- Set-point span 2000 digits, free ranging by keyboard
- Loop-powered by common transmitter power supply
- Figure height: 30 mm and a 41-segment bargraph
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Ex- Dispensing technology
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Ex- Dosing controller DC155
- Mounting inside hazardous area
- Ex- protection: II 2 G; Ex ib IIC T6 Gb
- Solid housing, protection class IP65
- Universal dosing functions
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Ex- Weighing technology
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Ex- Scale terminal WT158
- Scalable weight indicator in hazardous area
- Ex- protection: II 2 G; Ex ib IIC T4
- Connect directly up to 4 weight cells (sum resistance bigger than 85 W ) in hazardous area
- 5-digit 7- Segment display, 30 mm figure height
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| Ex- Scale amplifier WV157
- Scale signal amplifier to connect directly up to 4 weight cells in hazardous area
- Ex- protection: II 2 G; Ex e m ib IIC T4
- Solid aluminum housing protection class IP65
- High Disturbance immunity through digital signal transceiving to batch controller DC155
- Load cell feeding with WV157
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Ex- Separation- and supply technology
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 | Ex- Supply and interface module VI156- Mounting direct in hazardous area
- Ex- protection: II 2 G; Ex e q [ib] IIC T6
- Compact Interface- Module, skips the complicated search and selection of single components
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 | Ex- Power supply SG160
- Mounting in hazardous area, Ex e terminal box housing
- Ex- protection:
- II 2 G; Ex e m [ib] IIC T5
- II 2 D; Ex tD [ibD] A21 IP 66 T135°C
- Several output power modes availiable
- Rect angle output diagram
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