Instruction Manual Mi 190 DO Bench Meter www.milwaukeeinst.com FUNCTIONAL DESCRIPTION ..................2 For your Safety don’t use or store the instrument in hazardous environments. To avoid GENERAL DESCRIPTION .................... .4 damages or burns, do not perform any measurement in microwave ovens.
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Instruction Manual Mi 190 DO Bench Meter www.milwaukeeinst.com TROUBLESHOOTING FUNCTIONAL DESCRIPTION SYMPTOMS PROBLEM SOLUTION FRONT PANEL FRONT PANEL FRONT PANEL FRONT PANEL FRONT PANEL Reading fluctuates up and DO probe not properly Insert the probe. 1. Liquid Crystal Display (LCD) down (noise).
Instruction Manual Mi 190 DO Bench Meter www.milwaukeeinst.com <ETX> is 03 ASCII code character (end of text) SPECIFICATIONS <answer>: <ACK> is sent for a recognized command Range 0.00 to 45.00 ppm O <CAN> is sent when the instrument is logging 0.0 to 300.0 % O...
If the temperature measurements are inaccurate, temperature recalibration should be performed. For an accurate recalibration, contact your dealer or the nearest Milwaukee Customer Service pins with the socket located on the back of the meter, pushing the plug in and tightening the threaded ring.
Instruction Manual Mi 190 DO Bench Meter www.milwaukeeinst.com The salinity affects the D.O. concentration, decreasing its value. The table below shows the Before proceeding with the calibration, make sure the probe is ready for measurements (see page 7), maximum oxygen solubility at various temperatures and salinity levels.
Instruction Manual Mi 190 DO Bench Meter www.milwaukeeinst.com Press the arrow keys to change the displayed value. • Press RANGE to change the reading from % to ppm and vice-versa. Press the ACCEPT key to accept the value or the CAL key to escape.
The zero calibration of the Mi 190 Mi 190 Mi 190 Mi 190 Mi 190 is very stable, therefore this procedure needs to be • Altitude Compensation performed only whenever the probe or the membrane is replaced. • Current Time (hh:mm) However, because the slope calibration is more critical, it is recommended to perform this •...
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Instruction Manual Mi 190 DO Bench Meter www.milwaukeeinst.com • The salinity factor • Press CAL. The “WAIT” tag will blink on the LCD until the reading is stable. • The altitude factor • When the reading is stable, “READY” & “ACCEPT” tags start blinking. Press ACCEPT to confirm the “0.0%”...
N o t e : N o t e : tags will blink. • MI 190 has automatic buffer recognition function. If the ARROW keys are pressed to select the desired calibration value, the automatic buffer recognition function is disabled.
Instruction Manual Mi 190 DO Bench Meter www.milwaukeeinst.com LOGGING If the log space is full, “FULL LOC” message will be displayed and no more data will be saved. When the LOG key is pressed while in measurement mode, a complete set of informa- Up to 50 LOG samples can be stored into memory tion is stored.
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