Biosystems MultiPro Reference Manual - 2. Basic
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port is used for communications between
the MultiPro and a PC.
6. On / Off "MODE" button: The large
black push-button on the front of the
instrument is called the "MODE" button.
The MODE button is used to turn the
MultiPro on and off as well as to control
most other operations, including the
automatic calibration adjustment.
7. Sensor compartment cover: The
sensors are located in a vented
compartment at the bottom of the
instrument.
8. Audible alarm port: A cylindrical port
extending through the front of the
instrument just above the display houses
the loud audible alarm. The waterproof
audible alarm seats directly to the rubber
inner-liner to protect the instrument
against leakage or exposure to liquids.
9. Battery
pack: Two types of
interchangeable battery packs
(rechargeable Lithium Ion (Li-Ion) and
disposable alkaline) are available for use.
Li-Ion battery packs may be recharged
while the pack is installed in the
instrument, or removed from the
instrument for separate recharging.
10. Battery charger connector: A water-
resistant connector at the bottom of the
case assembly is used to connect the
MultiPro to the “drop in” style charger.
11. Back surface: A sturdy clip allows the
user to wear the MultiPro on a belt or
other article of clothing.
1.10 MultiPro standard accessories
Standard accessories included with every
MultiPro include calibration adapter,
additional tubing for use during calibration,
reference manual and quick reference card.
The optional sample draw kit consists of a
sample draw / calibration adapter, squeeze
bulb, replacement sample probe filters, and
ten feet of tubing. The sample probe is
available separately.
Standard configurations of the MultiPro are
delivered in a cardboard box with cardboard
inserts.
1.10.1 Alkaline MultiPro detectors
If the MultiPro has been purchased as an
alkaline instrument, the standard accessories
include a set of 3 disposable AA alkaline
batteries.
1.10.2 Li-Ion MultiPro detectors
If the MultiPro has been purchased as a Li-
Ion rechargeable instrument, the standard
accessories include Li-Ion battery pack and a
slip-in MultiPro charger.
1.11 MultiPro
kits
MultiPro detectors may also be purchased as
part of a complete kit that includes calibration
gas, fixed-flow regulator and a hard-shell
carrying case.
1.11.1 MultiPro Confined Space Kits
In addition to the standard accessories listed
above, Confined Space Kits also include
calibration fittings, fixed-flow regulator with
pressure gauge, and appropriate large
cylinder of calibration gas in a foam-lined,
waterproof hard-shell carrying case.
1.11.2 MultiPro Value Packs
MultiPro Value Packs include an alkaline
MultiPro, all standard accessories, calibration
fittings, small cylinder(s) of calibration gas,
and fixed flow regulator in a foam-lined non-
waterproof hard-shell carrying case.
2. Basic
Operations
The MultiPro is a true one-button gas
detector. The MODE button is located on the
front of the instrument and controls all field-
level operations including the following
• Turning the MultiPro on and off
• Turning on the backlight
• Viewing the MAX, STEL and TWA
reading screens
• Initiating the calibration sequence
2.1 Turning the MultiPro On
To turn the MultiPro on, press and hold the
MODE button for one second. The first
screen shown is the test screen for the LCD.
All sections should be darkened. The test
screen will be followed by a screen showing
the instrument firmware version. “dL” will
appear in the upper right for instruments with
a fully enabled datalogger.
→
The sensor screen and instrument serial
number screen will then be shown.