Intrinsically Safe Installation - Emerson MAS 2600 Reference Manual

Reference Manual
RM 6000-01-001-24

Intrinsically Safe Installation

The MAS 2600 is designed for use in an approved intrinsically safe installation. The ampli-
fier is fitted with a label describing the IS category:
Item
S/N
II
2(1)
Ex ia
IIC
T4
Tamb
Relevant intrinsic safety certificates to be supplied with the system units.
The certification of electric apparatus as intrinsically safe requires the apparatus to be
designed and tested in accordance with approved drawings and the apparatus to be
installed in accordance with approved block schematic diagrams.
30
Explanation
Serial number - production year
Ex identification according to guideline 2014/34/EU
Equipment group II
Sensor mounted in zone 0 and amplifier in zone 1
Denotes the type of protection intrinsic safety, i.e. the system is incapa-
ble of causing ignition in normal operation or with any combination of
up to two faults applied. This category will be adequate for use in zone
0, 1 and 2.
Denotes the group of gases
Denotes the maximum surface temperature classification specified (T4:
135 C)
Denotes the minimum and maximum ambient temperature.
When calculating ambient temperature the effect from external source
of heating shall be included.
MAS2600: Intrinsically Safe Installation
August 2023