Environnement Envea MIR 9000, Техническое руководство, Страница: 21 / 212

Duplication prohibited
MIR 9000
Environnement
S.A
1–11
NOVEMBER 2014
1.1.2.3.2 NH
3
/H
2
O option (Figure 1–6)

Pressure sensor (1)

IR detector and optical filters wheel (2)

Chopper unit, IR source and gaseous correlation wheel (3)

Optical bench (4).

Optical bench enclosure (5)

Motherboard (6)

Automaton microprocessor (Micro3) board (7)

Optional DAC8 board (8)

DAC8 board (9)

Display microprocessor and interface board (ARM7 board) (11)

Stepping motors piloting boards (13)

RS4i board (14)

Ejector on the optical bench

Flowmeter under the optical bench
1.1.3 VARIOUS OPERATION MODES
1.1.3.1 Standard

Expression of measurement values in ppm, mg/m
3
or as %.

Reference zero, zero and automatic calibration sequence are programmable.

Integration time is automatic or programmable.

Automatic checking of multiplexed parameters and correct operation tests.

Analog output of measured concentrations.

Remote signalling of "zero", "calibration" and "alarm" functions.
1.1.3.2 Optional
The analyzer can be equipped with:

an oxygen measurement cell.

a RS232 / 422 serial interface board of the RS4i type for exchanges with a microcomputer, directly
or by means of a SAM32E.