11
Power Supply Circuit Data Circuit
Ui = 16.5V Ui = 11.8V
Ii = 340mA Ii = 40mA
Pi = 1.3W Pi = 120mW
Ci = 35nF Ci = 35nF
Li = 10uH Li = 10uH
1.7 OPTIMASS 4000 / 4010C / OPTIGAS 4000 / 4010C
The OPTIMASS 4000 / 4010C OPTIGAS 4000 / 4010C mass flow sensors / mass flow meters are
designed with intrinsically safe protection type. The marking for the OPTIMASS 4000 / 4010C /
OPTIGAS 4000 / 4010C is as follows:
II 1/2 G Ex ib IIC T4...T1 Ga/Gb
II 2 D Ex ib IIIC T210°C Db
The input connections to the OPTIMASS 4010C / OPTIGAS 4010C 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 11
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