0 introduction, 0 features – ENMET Motorized Sample Pump User Manual
Page 4

ENMET Corporation
Sample Pump Kit
2
1.0 Introduction
1.0 Introduction
1.1 The pump assembly
The pump assembly is a fixed flow device used to supply sample air at the correct flow rate to all ENMET portable
instruments models.
1.2 Intrinsic Safety:
The pump is designed to be nonincendive as defined by the National Electrical Code.
W
W
ARNING
ARNING
:
Do not change electrical components. In particular, do not use a different battery
pack or charger than the one designed for use with the pump. Substitutions may affect the
nonincendive design of the pump; personal injury, death, and property damage may result
from an explosion.
2.0 Features
2.0 Features
See Figure 1 for location of features.
Feature
Description
POWER Switch
Controls power from the battery to the pump motor and circuits.
Green LED
Indicates that power is being supplied through the switch.
Red LED and Audio Alarm
Indicates that air flow is insufficient, or a low battery condition.
Air Input Line
Conducts air to the pump assembly.
Fitting, Air Input Line
Connects with the mating fittings on the hose assembly and the wand assembly
supplied with the pump kit.
Filter
Prevents particulate matter and liquids from entering the pump assembly.
Air Output Line
Conducts air from the pump assembly to the instrument or associated sensor
shield.
Fitting, Air Output Line
Connects with the mating fitting on the instrument or associated sensor shield.
Charge Jack
Connects with the mating plug on the charger.
Charger
Supplies charging current to the pump assembly battery.
Wand Assembly
A jointed Plexiglas tube with attached flexible tubing to conduct input air to the
pump assembly.
Hose Assembly
Approximately 6 meters of flexible tubing to conduct input air to the pump
assembly.
Sensor Cover (not shown)
A sheet metal or plastic enclosure to partially block the holes in the instrument
sensor area. This cover differs from instrument to instrument.