2) MX 2100 integrated in a "Twincall" calibration station which is, itself, connected to a computer and a printer.
I
I
I
I
I
I
.
.
S
S
P
P
E
E
C
C
I
I
A
A
L
L
I
I
N
N
S
S
T
T
R
R
U
U
C
C
T
T
I
I
O
O
N
N
S
S
F
F
O
O
R
R
U
U
S
S
E
E
I
I
N
N
A
A
T
T
E
E
X
X
E
E
X
X
P
P
L
L
O
O
S
S
I
I
V
V
E
E
A
A
T
T
M
M
O
O
S
S
P
P
H
H
E
E
R
R
E
E
S
S
The MX 2100 can be used in explosive atmospheres in Group II surface industries and Group I mines containing
firedamp.
Depending on the type of cells used on the appliance, the MX 2100 covers the following categories:
a) Appliance equipped with any type of cell unit except CO2 infrared unit and MOS unit
- Surface industries: Category 1G, utilization in zones 0, 1 or 2
- Mines containing firedamp: Category M1, utilization for all gas content levels
b) Appliance equipped with any type of cell unit and CO2 infrared unit and MOS unit
- surface industries: Category 2G, utilization in zones 1 or 2
- Mines containing firedamp: Category M2, utilization below a gas limit value
The following operations are prohibited in explosive atmospheres:
- opening of the appliance: cell cover or rear cover,
- replacement or recharging of batteries,
- link-up with a computer.
When the appliance is recharged using a charger other than that supplied by Oldham, its characteristics must be such
that it does not exceed a voltage of 30 V DC and a current of 30 A.
Non-rechargeable and rechargeable batteries must be replaced with original parts recommended by the manufacturer.
All servicing, adjustment and maintenance operations must be performed by duly approved personnel.
I
I
V
V
.
.
M
M
A
A
I
I
N
N
T
T
E
E
N
N
A
A
N
N
C
C
E
E
IMPORTANT:
The MX 2100 is a safety appliance and, therefore, it must be calibrated at least once a year and according to its
utilization. The user will automatically receive a maintenance reminder every six months.
These operations, explained in this section, must be performed by authorized, qualified personnel only as they
could adversely affect detection safety.
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