ENMET MX-2100 User Manual
Page 14

MX2100
ENMET Corporation
12
3.8 Remote Sampling
The MX-2100 can be equipped with a sampling system to measure gas concentrations either in normally inaccessible locations
or before entering places which may be contaminated by gas (such as tanks, sewers or tunnels).
The "manual" or "electric" sampling systems can be equipped with a sampling wand or hose.
3.8.1 Electric pumping system BP2100
The snap-in pump unit is fitted to the top of the
instrument, see Figure 4.
3.8.2 Manual pumping system
By using the charge unit equipped with an air inlet, it is
also possible to connect up a manual pumping system
(tube/bulb/probe).
The hand actuated “Squeeze bulb” type is not
recommended for some reactive gases.
Figure 4: Electric Pumping System BP2100
3.9 Charging the MX-2100
The MX-2100 is power-supplied by a rechargeable battery pack (NiMH) or non-rechargeable AAA alkaline batteries.
Under normal operating conditions, battery life varies according to the configuration (sensors) and the power supply
(rechargeable or non-rechargeable batteries) typical battery life is approximately 14 hours.
The MX-2100 has been approved for intrinsic safety, when equipped with batteries as recommended by the manufacturer.
3.9.1 Recharging the battery pack
The MX-2100 is supplied with an intelligent battery charger.
The average charge time is about 2 hours 30 minutes.
•
Connect the charge base to the top of the instrument as shown in
the photo in Figure 5 and plug in the charger. Charge for at least
2 hours 30 minutes for completely discharged batteries.
•
This charge base can be supplied with power by 110
V
AC
using an
adapter unit or with DC power (12 to 30
V
DC
).
•
Average charging time = 3 hours maximum.
Figure 5: MX-2100 Charger adapter
3.9.2 Memory
A second lithium battery ensures the storage of the MX-2100 specific data, such as when the main battery set is completely
discharged. This lithium battery has an average service life of five years.
BP2100
Inlet Port
MX-2100
Charge Base
MX-2100
Charge Jack to plug
in Battery Charger