Oldham MX 2100, Operating And Maintenance Manual

18 

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.