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For non-Ex i signal outputs without heating jacket / insulation
Ex d connection compartment Ex e connection compartment
II 1/2 G Ex d [ib] IIC T6....T1 Ga/Gb II 1/2 G Ex de [ib] IIC T6....T1 Ga/Gb
II 2 D Ex t IIIC T160°C Db II 2 D Ex t IIIC T160°C Db
For Ex i signal outputs without heating jacket / insulation
Ex d connection compartment Ex e connection compartment
II 1/2(1) G Ex d [ia/ib] IIC T6....T1 Ga/Gb II 1/2(1) G Ex de [ia/ib] IIC T6....T1 Ga/Gb
II 2(1) D Ex t [ia Da] IIIC T160°C Db II 2(1) D Ex t [ia Da] IIIC T160°C Db
For non-Ex i signal outputs with heating jacket / insulation
Ex d connection compartment Ex e connection compartment
II 1/2 G Ex d [ib] IIC T6....T1 Ga/Gb II 1/2 G Ex de [ib] IIC T6....T1 Ga/Gb
II 2 D Ex t IIIC T165°C Db II 2 D Ex t IIIC T165°C Db
For Ex i signal outputs with heating jacket / insulation
Ex d connection compartment Ex e connection compartment
II 1/2(1) G Ex d [ia/ib] IIC T6....T1 Ga/Gb II 1/2(1) G Ex de [ia/ib] IIC T6....T1 Ga/Gb
II 2(1) D Ex t [ia Da] IIIC T165°C Db II 2(1) D Ex t [ia Da] IIIC T165°C Db
Power Supply Circuit Data Circuit
Ui = 16.5V Ui = 11.8V
Ii = 265mA Ii = 40mA
Pi = 1.1W Pi = 120mW
Ci = 35nF Ci = 35nF
Li = 10uH Li = 10uH
The marking for the compact OPTIMASS 1300C T6 is as follows:
1.4 OPTIMASS 1000 T6 / 1010C T6 / 1300C T6
The OPTIMASS 1000 T6 / 1010C T6 mass flow sensor / mass flow meter is designed with
intrinsically safe protection type. The marking for the OPTIMASS 1000 / 1010C T6 for versions
with or without heating jacket / insulation is as follows:
II 1/2 G Ex ib IIC T6...T1 Ga/Gb
II 2 D Ex ib IIIC T165°C Db
The input connections to the OPTIMASS 1010C T6 for use with associated apparatus have the
following maximum values:
AD OPTIMASS 300_010 Haz Areas Rev 01.qxp 05/03/2014 13:24 Page 8
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