RAM 2000 Guía de usuario descargar pdf (Pagina 6)

Universal

charger/

power

supply

Span Check

calibrator knob

Power selector

switch

RS-232 cable

to laptop

Inlet with protective Swagelok cap

Store Swagelok

on this keeper

RS-232 serial output cable

(gray nine-pin communication cable)

Figure 3—Back-panel view of the DataRAM.

Charging the Battery

If the DataRAM has not been used for about 3 months, the

battery will need to be fully recharged. Plug it into a 120-volt line

for about 12 hours to restore it to full operating capacity. A new

and fully charged battery can provide at least 20 hours of con-

tinuous operation at temperatures above 60 °F. The DataRAM

can operate continuously using its universal charger/power

supply—simply attach the universal charger/power supply to

the DataRAM and plug it into a 120-volt power source. Never

let the internal battery run completely down. If this happens,

the unit may need to be sent to MIE for repair.

To determine the charge capacity of the battery, turn the Data-

RAM on.

At ‘MAIN MENU 1’, press the button next to ‘System Diagnos’.

14:02:19 01 Oct

MAIN MENU 1

RUN (zeroed?) >

System Diagnos >

Parameters >

Purge >

Zero >

Next Screen >

The system diagnostic screen will display.

14:02:19 01 Oct

SYSTEM DIAGNOST

Filter Normal

Battery Normal

Backgrnd Normal

Flow Normal

BatChrg 12345

Flowrate2.0 Lpm

When the battery is fully charged, ‘BatChrg’ numbers ‘12345’

will display.

Preparing the DataRAM for Field Operation

Uncapping the Inlet

Before operating the DataRAM, the protective Swagelok stem

cap must be removed from the air inlet and stored on the gray

pod on the back panel (figure 3). The DataRAM should never

be operated with the stem cap covering the inlet.

Switching the Power Selector

The three-position, locking power-selector switch on the rear

panel should be switched ‘OFF (0)’ (middle position) when the

unit is stored or transported. To enable the DataRAM to operate

with its internal battery or the charger, the power selector switch

must be ‘ON (1)’ (up position). The ‘EXT (1)’ (down position) is

used only when an external dc source (such as solar power or

an external battery) is powering the unit. To change the locking

position, pull the handle out while moving the power selector

switch to the desired position.

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RAM 2000 Guía de usuario Pagina 6

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