Operating Information
About this Guide
The information in this guide has been carefully checked and is believed to be accurate. However, Hach Ultra assumes no responsibility for any inaccuracies that may be contained in this guide. In no event will Hach Ultra be liable for direct, indirect, special, incidental, or consequential damages resulting from any defect or omission in this guide, even if advised of the possibility of such damages. In the interest of continued product development, Hach Ultra reserves the right to make improvements in this guide and the products it describes at any time, without notice or obligation.
Before Taking Measurements
IMPORTANT: Before taking any measurements, please ensure that the conditions of use correspond to the certification of the instrument and the installation was performed as described in the Operator’s Manual.
Instrument Controls
The front panel of the instrument has a
The LCD includes a
To the LCD's right is a label showing the measurement units configured at the factory for your application.
In addition to the controls indicated on the front panel, there is also a pressure relief valve switch on top of the instrument to enable atmospheric pressure equilibrium for sensor calibration, or for measurements in gaseous samples in % units.
The button in the bottom right corner backlights the LCD for approximately three minutes. The other
•POWER turns instrument power on or off. The instrument starts in measurement mode
•MEAS places the instrument in measurement mode
•CAL calibrates the analyzer against a reference sample. This button can be locked out from the WinLog97 PC program
•STO stores a measurement value into memory
•The × Ø keys toggle between gas concentration and temperature measurement displays in measurement mode, increases or decreases the storage number during storage or memory view, or sets a calibration value during calibration
•POWER + CAL sensor calibration
•POWER + STO starts automatic data acquisition.
•POWER + × starts memory storage view
Startup
To start the instrument, press the keyboard POWER switch. When you turn power on, the instrument displays its model number briefly, and then starts in measurement mode.
The instrument can be operated independently, making measurements as a portable analyzer. You may store these measurement values for later analysis via the WinLog97 program (on your personal computer) or the memory view mode (on the instrument).
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