YSI Incorporated
Model 5000/5100 Service Manual
1
SECTION 1 GENERAL DESCRIPTION
MODEL 5000 FEATURES
The Model 5000 is a microprocessor based, menu-driven, dissolved oxygen meter designed to
perform laboratory measurement of dissolved oxygen and Biochemical Oxygen Demand (BOD).
The angled profile makes these instruments both functional and attractive. A large graphical
display provides on-screen menus, and large data fields for ease of operation and readability. The
angle and position of the keypad make operation of the 5000 comfortable. The tactile and audio
response from each key stroke give you the confidence that every command has been received.
The Model 5000 is compatible with all existing YSI dissolved oxygen probes when used with the
YSI Model 5011 adapter. The new YSI Model 5010 self-stirring BOD Probe allows you to
operate the probe from the instrument’s power supply, eliminating the need for a separate power
cable for the probe.
Internal memory for storing up to 100 sets of data, and an RS232 port allow you to upload data
from the Model 5000 directly to your computer. Or you can use your Model 5000 with YSI
BOD
Analyst
software
.
MODEL 5100 FEATURES
The YSI Model 5100 has all of the same functionality of the Model 5000 plus many automated
and application specific features.
The YSI 5100 is the first DO instrument to offer built-in application software for the calculation
of Oxygen Uptake Rate (OUR) and Specific Oxygen Uptake Rate (SOUR). These application
features simplify compliance with USEPA 503 regulations for vector attraction and provide
useful tools for plant operation decisions.
For laboratories with larger volumes, the Model 5100 offers bar code scanner and
BOD Analyst
software capability. These tools greatly reduce the labor required for processing BODs and
calculating BOD values. The RS232 serial port makes it easy to capture data electronically.
The model 5000 and 5100 software can be upgraded easily using your computer. When YSI
upgrades these instruments, you’ll be able to get a floppy disk from YSI and simply upgrade the
software in a few minutes.
Calibration of the Model 5100 has been greatly simplified when compared to other dissolved
oxygen instruments. With it’s internal barometer, the Model 5100 is able to automatically
compensate for changes in barometric pressure so there is no need for charts, altitude information
or external barometric pressure information.
